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In competitive inhibition the relation Km and Vmax is one of the following - | [
"Km and Vmax are the same",
"Km increases and Vmax is the same",
"Km decreases and Vmax increases",
"Km and Vmax decreases"
] | B | Ans. is 'b' i.e., Km increase and Vmax is the same Competitive inhibition-Km is high Vmax is sameNon Competitive inhibition-Vmax lowered Km unaltered Type of inhibitorKmVmaxReversible inhibbitor o CompetitiveIncreasedNo effecto Non-competitiveNo effectDecreasedo UncompititiveDecreasedDecreasedIrrversible inhibitor (sam... | train | med_mcqa | null |
A 45yr old man presented to the OPD dysphagia to both solid and liquids Esophageal manometry was performed = it revieled premature contraction with >20 % wet swallows and abnormally increased Lower esophageal pressure of >450mm hg | [
"Type 1 achalasia",
"Type 2 achalasia",
"Type 3 achalasia",
"Jackhammer esophagus"
] | C | ref : bailey and love 27th ed. | train | med_mcqa | null |
A child comes with a circular 3cm x 3cm scaly patchy hair loss with itching in the lesions. The investigation of choice is | [
"Split skin smear",
"KOH mount",
"Gram stain",
"Tzanck smear"
] | B | Itchy lesions over head with hair loss likely suggestive of Tinea capitis and KOH mount of hairs is the investigation of choice. | train | med_mcqa | null |
Tryptophan is required for synthesis of which vitamin? | [
"Folic acid",
"Thiamine",
"Niacin",
"Riboflavin"
] | C | Tryptophan is required for the synthesis of Niacin. In the major pathway, kynureninase is an enzyme dependent on pyridoxal phosphate (enzyme 2, Fig.17.8). Therefore, in vitamin B6 deficiency, the pathway is blocked at this level. This leads to niacin deficiency and manifestations of pellagra. 7. Quinolinate phosphoribo... | train | med_mcqa | null |
Measles vaccination is given at the age of: | [
"Birth",
"9 months",
"1 1/2 yrs",
"2 months"
] | B | Ans: b (9 months)Ref Park, 20th ed. Pg. 113Another simple questionJust go through the Indian National Immunization Schedule.National immunization schedule(a) For infants At birth BCG and OPV - 0 dose At 6 weeks BCG (if not given at birth) DPT-1 and OPV- lAt 10 weeks DPT-2 and OPV-2At 14 weeks DPT-3 and OPV-3at 9 months... | train | med_mcqa | null |
A patient with 37 weeks of gestation, came to hospital without antenatal check-up and presented with onset of labor. On examination, the mother is hep B positive, what management should be given to neonate? | [
"Hep b vaccine only",
"Hep B vaccine+ IG",
"First IG then HEP B vaccine after 1 month",
"Only IG"
] | B | Infants of HBsAg-positive mothers should receive Hepatitis B immune globulin (HBIG) immunoprophylaxis at bihand Hepatitis B vaccine at one week (HBV),Then one month and six months after bih. Administration of HBV vaccine along with HBIG does not diminish the immunologic response to the vaccine. | train | med_mcqa | null |
Renal TB mode of infection | [
"Direct from bowel",
"Ascending",
"Hematogenous",
"Lymphatic"
] | C | Answer- C. HematogenousGenitourinary tuberculosis is always secondary to pulmonary infection, though in many cases, the primary focus has healed or is quiescent.Infection occurs the hematogenous route | train | med_mcqa | null |
The major storage and circulatory form of vitamin D is:- | [
"25-hydroxycholecalciferol",
"1,25-dihydroxycholecalciferol",
"Cholecalciferol",
"Calcitriol"
] | A | Cholecalciferol is first hydroxylated at 25th position to 25-hydroxycholecalciferol (25-OH o3) bv a specific hydroxylase present in liver. 25-OH D3 is the major storage and circulatory form of vitamin D.
Reference: Satyanarayana- Biochemistry, 3rd edition, pg-125 | train | med_mcqa | null |
Menkes disease is due to deficiency of: | [
"Selenium",
"Copper",
"Chromium",
"Manganese"
] | B | Ans. (b) CopperRef: Harrison's 20th ed. P 2318Menkes Kinky Hair Syndrome* X-Linked metabolic disturbance of copper metabolism* Characterized by:# Mental retardation# Hypocupremia# Decreased circulating ceruloplasmin* Due to mutation in ATP7-A gene (copper transporting gene)* Cause of death: Dissecting aneurysm or cardi... | train | med_mcqa | null |
After normal vaginal delivery, breast feeding can be started - | [
"Immediately",
"2.5-4 hours",
"4-6 hours",
"1.5-2.5 hours"
] | A | Ans. is 'a' i.e., Immediately * Breastfeeding should ideally start soon after baby is born. A baby is usually alert after birth and will spontaneously seek the breast if left undisturbed in skin-to-skin contact with their mothers body. Research suggests that a mother should allow her baby to feed when the baby shows it... | train | med_mcqa | null |
In census literacy rate is assessed by - | [
"Attended literacy classes for one year",
"Ability to write signature",
"Ability to read and write",
"Ability to read newspaper"
] | C | The United Nations Educational, Scientific and Cultural Organisation (UNESCO) has drafted a definition of literacy as the "ability to identify, understand, interpret, create, communicate, compute and use printed and written materials associated with varying contexts. Literacy involves a continuum of learning in enablin... | train | med_mcqa | null |
The wall absent in class V lesion | [
"Axial wall",
"Mesial",
"Distal",
"Pulpal wall"
] | D | null | train | med_mcqa | null |
Treatment of choice for stab injury caecum ? | [
"Caecostomy",
"Ileo-transverse anastomosis",
"Transverse colostomy",
"Sigmoid colostomy"
] | B | Ans. is 'b' i.e., ileo-transverse anastomosis These options mentioned in the question are of the year 1989; no longer seems to be valid. The management of Colonic injuries in latest edition of Schwaz is: Currently 3 methods for managing the colonic injuries are used? a. Primary repair (it includes lateral suture repair... | train | med_mcqa | null |
Which of the following conditions will influence the diagnostic quality of x-rays? | [
"kVp",
"Milliampere-seconds",
"Filtration",
"All of the above"
] | D | The three main conditions that will influence the diagnostic quality of X-rays are kVp, milliampere - seconds and filtration. Consistent radiographs require same image quality which in turn depend on these three factors. | train | med_mcqa | null |
Congenital heart disease is most likely in the newborn of mothers suffering from all except: | [
"Systemic lupus erythematosus",
"Rheumatoid arthritis",
"Diabetes in pregnancy,",
"Congenital heart disease of the mother"
] | B | Lets analyse each option separately
“Fetal congenital cardiac disease is increased by 3–10% if either of the parents have congenital heart lessons.”
Dutta 7/e, p 276. (so option d is correct)
“Neonatal lupus syndrome is due to crossing of maternal lupus antibodies (anti-Ro or anti-La) to the fetus causing hemolytic ane... | train | med_mcqa | null |
The penicillin G preparation with the longest duration | [
"Benzathine penicillin",
"Sodium penicillin",
"Potassium penicillin",
"Procaine penicillin"
] | A | Penicillin G due to it's rapid tubular secretion, it is very sho acting. It's duration of action is increased with probenecid which compete with penicillin at tubular pump. Procaine penicillin G and benzathine penicillin G are administered IM and serve as depot forms. They are slowly absorbed into the circulation and p... | train | med_mcqa | null |
Black dot ring worm is caused by - | [
"Microsporum",
"Trichophyton",
"Epidermophyton",
"Candida"
] | B | Ans. is 'b' i.e., Trichophyton o Black dot lesions are seen in Tinea capitis.o The hairs are broken at the level of the skin surface producing a picture of black dots in an area of alopecia,o T. tonsurans is the chief cause of "black dot1' tinea capitis. | train | med_mcqa | null |
Drug that inhibits cell wall synthesis is ? | [
"Tetracyclines",
"Penicillins",
"Aminoglycosides",
"Chloramphenicol"
] | B | null | train | med_mcqa | null |
Which of the following pain is not referred to ear? | [
"Pharynx",
"Teeth",
"Angle of TM joint",
"Vestibule of nose"
] | D | ANSWER: (D) Vestibule of noseREF: Dhingra's 4th ed p.144The ear is supplied by Vth (auriculotemporal), IX th (tympanic br.) and X th (auricular br.) nerve and C2 (lesser occipital), C3 and C4 (greater auricular)Pain may be referred to ear from one of the following:I. Via Vth nerve:Dental: caries , molar impaction and d... | train | med_mcqa | null |
38 weeks primi in early labour with transverse presentation, TOC is : | [
"Allow for cervical dilatation",
"Internal podalic version",
"LSCS",
"Forceps"
] | C | Ans. is c i.e. LSCS | train | med_mcqa | null |
According to Bismuth classification, type IV cholangiocarcinoma involves: | [
"Common hepatic duct",
"Bifurcation only",
"Bifurcation and bilateral secondary intrahepatic duct",
"Bifurcation and unilateral secondary intrahepatic ducts"
] | C | Bismuth-Corlette Classification of Hilar Cholangiocarcinoma Type Criteria I Tumor confined to hepatic duct, not involving the main biliary confluence II Tumor involving the main biliary confluence but not extending to the right or left ducts IIIa Tumor extending upto the right secondary biliary confluence IIIb Tumor ex... | train | med_mcqa | null |
Drugs used in ADHD are - | [
"Atomoxetine",
"Methylphenidate",
"Dextro-amphetamine",
"All"
] | D | Ans. is 'a' i.e., Atomoxetine; 'b' i.e., Methyphenidate; 'c' i.e., Dextro-amphetamine | train | med_mcqa | null |
A 20 year old male presented with chronic constipation, headache and palpitations. On examination he has marfanoid habitus, neuromas of tongue, medullated corneal nerve fibers and nodule of 2x2 cm size in the left lobe of thyroid gland. This patient is a case of: | [
"MEN 1A",
"MEN 1B",
"MEN IIA",
"MEN IIB"
] | D | This patient with complaints of headache and palpitations is suggestive of pheochromocytoma. Constipation could be due to hyercalcaemia secondary to hyperparathyroidism. This along with features of marfanoid habitus and mucosal neuromas all indicate that he is suffering from MEN 2B. Medullary carcinoma of thyroid in ME... | train | med_mcqa | null |
ED50 is used for determining: | [
"Potency",
"Efficacy",
"Safety",
"Toxicity"
] | A | null | train | med_mcqa | null |
A research physiologist is performing an experiment in which he stimulates sympathetic cholinergic neurons. Which of the following responses is expected? | [
"Bradycardia",
"Bronchoconstriction",
"Diaphoresis",
"Increased gastrointestinal motility"
] | C | The vast majority of sweat glands in the body are innervated by sympathetic cholinergic neurons. Sympathetic cholinergic neurons are sympathetic postganglionic neurons that happen to release acetylcholine instead of norepinephrine. Bradycardia, bronchoconstriction, and increased gastrointestinal motility would all resu... | train | med_mcqa | null |
A 16-years old boy presents with acute onset pain in the left testis. The following statements about his management are true except: | [
"The patient should be prescribed antibiotics and asked to come after a week",
"Colour flow Doppler will be very useful in diagnosis Doppler is not available",
"Scrotal exploration should be done without delay if Doppler is not available",
"If left testis is not exploration, patient should undergo left Orchid... | A | Ans. (a) The patient should be prescribed antibiotics and asked to come after a week* Our aim in this case is to differentiate orchitis from torsion.* So we can't just like that send him home without confirming there is no torsion. | train | med_mcqa | null |
In which of the following disease, the overall survival is increased by screening procedure- | [
"Prostate Ca",
"Lung Cancer",
"Colon Ca",
"Ovarian Ca"
] | C | Schwaz says "Because the majority of Colorectal cancers are thought to arise from Adenomatous polyps, preventive measures focus upon identification and removal of these premalignant lesions. In addition, many cancers are asymptomatic and screening may detect these tumors at an early and curable stage American cancer so... | train | med_mcqa | null |
Cephalic index helps in identification of: | [
"Race",
"Stature",
"Sex",
"Weight"
] | A | From measuring cephalic index, race can be determined in 85-90% of cases. Mainly three types of races are there: Caucasian (white): Skull rounded, orbits triangular, nasal apeure elongated, palate triangular, upper and lower limbs normal in propoion to body. Mongolian (yellow): Skull square, orbits rounded, nasal apeur... | train | med_mcqa | null |
Casals Necklace pattern is seen in | [
"Thiamine deficiency",
"Riboflavin deficiency",
"Niacin deficiency",
"All of the above"
] | C | (C) Niacin deficiency # Casal collar or Casal Necklace is a clinical sign in which there is an erythematous pigmented skin rash in the distribution of a broad collar (dermatomes C3 and C4). It is seen in patients with pellagra. | train | med_mcqa | null |
Auto immune polyglandular syndrome - 1 includes all except? | [
"Autoimmune thyroiditis",
"Addison disease",
"Mucocutanneous candidiasis",
"Hypoparathyroidism"
] | A | Major criteria for Autoimmune polyglandular syndrome - 1 :
Mucocutaneous candidiasis.
Hypoparathyroidism.
Addison disease. | train | med_mcqa | null |
Lymphocyte phenotype test done for? | [
"Agammaglobinemia",
"SCID",
"Sepsis",
"Acute leukemia"
] | B | Ans. (b) SCID(Ref: HENRY'S Clinical Diagnosis and Management by Laboratory Methods; 22ned ed/ pg 944-945)Lymphocyte phenotyping for assessing immune deficiency includes CD3 (pan T cell), CD4 (T helper subset), CD8 (T cytotoxic/suppressor subset), CD 19 (pan B cell), CD 16/56 (pan NK cell) and other cell surface markers... | train | med_mcqa | null |
Which of the following is most common and malignant neuroendocrine tumour of pancreas? | [
"Gastrinoma",
"Glucagonoma",
"Insulinoma",
"VIPoma"
] | C | Answer- C. InsulinomaInsulinomas are the most common pancreatic neuroendocrine tumor, but only l0% are malignant.Gastrin-producing tumor (gastrinoma) are the most common malignant pancreatic neuroendocrine tumor. | train | med_mcqa | null |
At which level sound is painful - | [
"100-120dB",
"80-85dB",
"60-65dB",
"20-25dB"
] | A | Intensity
Whisper - 30 dB
Normal conversation - 60 dB
Shout - 90 dB
Discomfort of ear - 120 dB
Pain in ear -130 dB
Ref. Dhingra, 6/e, p 19 | train | med_mcqa | null |
Emporiatrics deals with the health of the - | [
"Farmers",
"Travellers",
"Industrial workers",
"Mine workers"
] | B | Travel medicine or emporiatrics is the branch of medicine that deals with the prevention and management of health problems of international travelers. Travel health advice is primarily aimed at prevention, and is therefore offered before travel. It includes steps taken before travel like Medical examinations and screen... | train | med_mcqa | null |
The following is an activator of LCAT | [
"Apo AI",
"Apo E",
"Apo B 48",
"Apo B 100"
] | A | . | train | med_mcqa | null |
EEG in a male fully awake with eyes closed, electrodes placed at occipital position will record | [
"a waves",
"ss waves",
"g waves",
"d waves"
] | A | In adult humans who are awake but at rest with mind wandering and the eyes closed, the most prominent component of the EEG is a fairly regular pattern of waves at a frequency of 8-13Hz and amplitude of 50-100uV when recorded from the scalp. This pattern is the alpha rhythm. It is most marked in the parietal and occipit... | train | med_mcqa | null |
Loud P2 is found in ? | [
"Pulmonary HTN",
"MS",
"MR",
"Aoic incompetence"
] | A | Answer- A. Pulmonary HTNPulmonary hypeension unless proved otherwise.Eisenmenger's syndrome due to ASD, VSD, PDA.Multiple pulmonary thrombi | train | med_mcqa | null |
Herpes zoster oticus is caused by- | [
"Herpes virus type I",
"Herpes virus type 2",
"Herpes virus type 3",
"Herpes virus type 4"
] | C | Ans. C. Herpes virus type 3Herpes Zoster oticus or Ramsay - Hunt syndrome is caused by varicella (herpes) Zoster virus also know as Human herpes virus type-3. | train | med_mcqa | null |
Structure not enclosed by carotid sheath - | [
"Internal carotid artery",
"Vagus",
"Cervical sympathetic chain",
"Internal jugular vein"
] | C | Carotid sheath contains ICA, IJV and vagus nerve. In upper part of sheath there are IX, XI, XII nerves also. | train | med_mcqa | null |
About ICF, true is | [
"14 L",
"20 % of body weight",
"28 L",
"33% of body weight"
] | C | Intracellular Fluid (28L)- 40% Body Weight- 67% TBW. | train | med_mcqa | null |
All are seen in morphine poisoning except: | [
"Cyanosis",
"Pinpoint pupil",
"Hypeension",
"Respiratory depression"
] | C | Hypotension is a feature and not hypeension Features of Morphine Poisoning: Euphoria - Initial euphoria followed by period of sedation (nodding off) - Lethal - respiratory depression Slow respiration, hypothermia, hypotension bradycardia, cyanosis, pin point pupil, cyanosis | train | med_mcqa | null |
About chronic hepatitis B , all are true, EXCEPT: | [
"90 % chance for chronic infection if infected at bih.",
"Mild chronic hepatitis B has 5 year survival 97 %",
"Adult infection is usually symptomatic",
"Chronicity if infected in adult age is about 10 %"
] | D | Chronic hepatitis B: 1. Infection at bih is clinically silent but carries a 90% chance of chronic infection. 2. Infection in young adulthood is clinically apparent acute hepatitis but a risk of chronicity of only approximately 1%. 3. A 5-year survival rate of 97% for patients with mild chronic hepatitis B, 86% for mode... | train | med_mcqa | null |
A 69-year-old man is informed that the cause of his dysphagis is a benign lesion. The barium swallow is shown in (Figure below). What should he be told regarding benign tumors and cysts of the esophagus?Leiomyoma of esophagus. Note smooth rounded density causing extrinsic compression of esophageal lumen | [
"They occur more commonly than malignant tumors.",
"They are symptomatic at an early age.",
"Diagnosis is best confirmed on chest x-ray.",
"Leiomyoma is the most common benign tumor encountered in the esophagus."
] | D | Leiomyoma is the most common benign tumor encountered in the esophagus. Malignant transformation is thought to be rare. Less than 10%. of alimentary tract leiomyomas are found in the esophagus. They are composed of spindle cells and grow slowly and may progressively cause obstructive symptoms. Leiomyomas are not referr... | train | med_mcqa | null |
Millennium development goal targets to reduce MMR in 2015 by: (2014 Feb REPEAT) | [
"0.25",
"0.75",
"0.5",
"1"
] | B | Ans: B (0.75) Ref: Park's Textbook of Preventive and Social Medicine, 22nd edition, pg: 835Explanation:Millennium Development Goals (MDGs)MDGs are eight goals to be achieved by 2015 that respond to the world's main development challenged.It was adopted in 2000.MDG was set by UN.Indicators were compared from 1990 to 201... | train | med_mcqa | null |
Most common cause of hypernatremia? | [
"Primary hypodipsia",
"Carcinoid syndrome",
"Renal losses",
"Sweating"
] | A | Elderly individuals with reduced thirst and/or diminished access to fluids are at the highest risk of developing hypernatremia. Patients with hypernatremia may rarely have a central defect in hypothalamic osmoreceptor function, with a mixture of both decreased thirst and reduced AVP secretion | train | med_mcqa | null |
Pain during injection occurs with all Except | [
"Propofol",
"Thiopentone",
"Ketamine",
"Etomidate"
] | C | Ketamine is the only intravenous inducing agent that does not cause pain on injectionAgentPain on iv injectionThiopentoneMethohexitonePropofolEtomidateKetamine+/0++++++0 | train | med_mcqa | null |
Which layer of epidermis is underdeveloped in the VLBW infants in the initial 7 days: | [
"Stratum germinativum",
"Stratum granulosum",
"Stratum lucidum",
"Stratum corneum"
] | D | D i.e. Stratum corneum | train | med_mcqa | null |
Total claw hand is seen in the paralysis of:September 2005 | [
"Ulnar and median nerve",
"Ulnar nerve",
"Median nerve",
"Radial nerve"
] | A | Ans. A: Ulnar and median nerveClaw hand deformity is manifested by flattening of the transverse metacarpal arch and longitudinal arches, with hyperextension of MCP joints and flexion of the PIP and DIP joints;This deformity is produced by imbalance of the intrinsic & extrinsics:i. Intrinsic muscles must be markedly wea... | train | med_mcqa | null |
In diffuse calcification of pancreas calcium lies in? | [
"Acinar tissues",
"Interstitium",
"Pancreatic ducts",
"Any where"
] | D | Ans. is 'd' i.e., Anywhere | train | med_mcqa | null |
Which is true about synol joint ? | [
"Stability is inversely propoional to mobility",
"Hyaline cailage covers aicular surface of all synol joints.",
"Metacarpo-phalangeal joint is a hinge joint",
"\"Cailage usually divides the joint into two cavities\"."
] | A | A i.e. Stability is inversely propoional to mobility | train | med_mcqa | null |
Wine Glass appearance on T2W-MRI BRAIN is seen with? | [
"Metachromatic Leukodystrophy",
"Canavans Disease",
"Creutzfeld Jacob Disease",
"Amyotrophic Lateral Sclerosis"
] | D | Wine Glass Sign on MRI Brain *T2-weighted imaging, black arrow shows hyperintensity in the posterior bilateral internal capsule and b/l coicospinal tracts with classical wine glass appearance in ALS/Lou Gehrig's disease | train | med_mcqa | null |
Maximum potassium ions secretion is seen in | [
"Saliva",
"Gastric secretions",
"Jejunal secretions",
"Colonic secretions"
] | A | Saliva Maximum potassium secretion are: (1) Colon & rectum = 85 meq/l (2) Saliva = 25 meq/l (3) Others = 5 meq/l Now if we look at the total secretions: Colonic secretions = 200 ml/day so Potassium = 17 meq/day Salivary secretions = 2 litres/day so potassium = 50 meq/day Others = 5-6 litres/day so potassium = 25-30 meq... | train | med_mcqa | null |
A patient is passing stones recurrently in urine for past few years. All are due to be restrlcted in diet except- | [
"Protein restriction",
"Calcium restriction",
"Salt restricted diet",
"Phosphate restriction"
] | B | The inverse relationship between low dietary calcium intake and an increase in stone formation is likely due to a secondary increase in urinary oxalate. While urinary calcium levels decreased in both groups, urinary oxalate levels increased in men on the low calcium diet and decreased in men on the normal calcium diet ... | train | med_mcqa | null |
All are true about conductive deafness except ? | [
"Rinne's test is negative",
"Absolute bone conduction is normal",
"Weber is lateralized to poorer ear",
"There is decay in threshold tone"
] | D | Ans. is 'd' i.e., There is decay in threshold tone | train | med_mcqa | null |
Posterior capsular cataract is treated by which laser? | [
"Argon laser",
"CO2 laser",
"Excimer",
"Nd YAG"
] | D | Ans. (d) Nd YAGRef: Khurana 4/ey p 431 | train | med_mcqa | null |
An infant present with an omphalocele at bih. Which of the following applies to this condition? | [
"It is also seen in patients with congenital aganglionic megacolon",
"It results from herniation at the site of regression of the right umbilical vein",
"It is caused by a failure of recanalization of the midgut pa of the duodenum",
"It is caused by failure of the midgut to return to the abdominal cavity afte... | D | Omphalocele is a ventral body wall defect caused by failure of physiologically herniated loops of bowel to return to the body cavity in the 10th week, congenital aganglionic megacolon is Hirschsprung disease Gastroschisis is a ventral body wall defect, failure of recanalization of the midgut pa of the duodenum leads to... | train | med_mcqa | null |
What is first external sign of decomposition of dead body - | [
"Decomposition of liver and intestine",
"Greenish discoloration over right iliac fossa",
"Greenish discoloration over dependent pas",
"Blood stained froth from mouth"
] | B | The first external sign of putrefaction in body is greenish discolouration over right iliac fossa, caecum where the contents are more fluid and full of bacteria. Dr. Narayana Reddys Synopsis of Forensic Medicine & Toxicology 27 th edition pg. 82. | train | med_mcqa | null |
A 70-kg young athlete was planned for surgery. During anaesthesia, vecuronium was not available, so repeated doses of succinylcholine was given intermittently up to 640 mg. During recovery, patient was not able to spontaneously respire and move limbs. What is the cause? | [
"Pseudocholinesterase deficiency",
"Phase II blockade",
"Muscle weakness due to repeated fasciculations",
"Undiagnosed muscular dystrophy"
] | B | Ans. (B) Phase II blockade(Ref: Wiley 7/384-586, Lee 12/223)Succinylcholine produces a characteristic depolarizing block that is associated with absence of fade in response to train-of-four and titanic stimulation, the absence of post-tetanic facilitation and increased block in the presence of anticholinesterase drugs.... | train | med_mcqa | null |
Which of the following is not a usual feature of right middle cerebral aery territory infarct : | [
"Aphasia.",
"Hemiparesis",
"Facial weakness",
"Dysahria"
] | A | Answer is A (Aphasia): Aphasia is a manifestation of dominant parietal lobe involvement. Dominant hemisphere is right handed person is left hemisphere and thus a right middle cerebral aery infarct indicates 'Non Dominant Paial Lobe' involvement. Apahsia will not be a manifestation because an infarction in middle cerebr... | train | med_mcqa | null |
Three point relationship is lost in all, EXCEPT | [
"Fracture of lateral epicondyle",
"Fracture of medial epicondyle",
"Posterior dislocation of elbow",
"Supracondylar fracture of humerus"
] | D | D i.e. Supracondylar | train | med_mcqa | null |
Which is the most common oral infection in diabetes mellitus? | [
"Candida",
"Aspergillus",
"Streptococcus",
"Staphylococcus"
] | A | Individuals with DM have a greater frequency and severity of infection. It is due to abnormalities in cell-mediated immunity and phagocyte function associated with hyperglycemia, as well as diminished vascularization. Hyperglycemia aids the colonization and growth o f a variety of organisms . Most commonly by Candida a... | train | med_mcqa | null |
Gillette's space is | [
"Retropharyngeal space",
"Peritonsillar space",
"Parapharyngeal space",
"None"
] | A | Retropharyngeal space, situated behind the pharynx and extending from the base of the skull to the bifurcation of the trachea. Space is divided into two lateral compaments (spaces of Gillette) by a fibrous raphe. Each lateral space contains retropharyngeal nodes which usually disappear at 3-4 years of age. Parapharynge... | train | med_mcqa | null |
Haematocrit is the ratio of: | [
"WBC to whole blood",
"Platelets to whole blood",
"RBCs to whole blood",
"Total blood cells to plasma"
] | C | Haematocrit (also known as packed cell volume) is the volume percentage (%) of red blood cells in blood. | train | med_mcqa | null |
Presently, classification of psychiatric illness is done by: | [
"DSM-V",
"ICD-10",
"Both of the above",
"None of the above"
] | C | Ans. C: Both of the aboveThe modern era in the classification of mental diseases began towards the end of the 18th century during the French Revolution with the concepts and humane practices of figures such as Philippe Pinel (1745-1826).William Cullen (1710-90) tried to subsume under the heading of 'neurosis' all forms... | train | med_mcqa | null |
In congenital diaphragmatic hernia all are seen except? | [
"Common on left side",
"Abdominal distension",
"Can be detected antenatally",
"Hea beat shifted to right"
] | C | Ans. is 'c' i.e., Decreased venous return | train | med_mcqa | null |
A 55-year-old known smoker for 25 years presents with a low pitched voice. Endoscopy shows a mass limited to the vocal cord on the left. A biopsy is suggestive of laryngeal cancer type T1N0. Treatment of choice would be - | [
"Vertical partial hemilaryngectomy",
"Radiotherapy",
"Chemotherapy",
"Total laryngectomy with cervical lymph node dis section"
] | B | Ans. is 'b' i.e., Radiotherapy Treatment of glottic cancero Stage-dependent treatment include:-i) Carcinoma in situ (CIN):- Best treated by transoral endoscopic CO2 laser. If the laser is not available stripping of vocal cord is done and the tissue is sent for biopsy. If the biopsy shows invasive carcinoma, radiotherap... | train | med_mcqa | null |
Testicular aery is a branch of - | [
"Abdominal aoa",
"Common iliac aery",
"External iliac aery",
"Internal iliac aery"
] | A | Testicular aery is direct branch of abdominal aoa. | train | med_mcqa | null |
Special transmembrane proteins which make up gap junctions is called as | [
"Cadherins",
"Occludins",
"Connexons",
"Claudins"
] | C | Communicating junctions (gap junctions) mediate the passage of chemical or electrical signals from one cell to another. The junction consists of a dense planar array of 1.5- to 2-nm pores (called connexons) formed by hexamers of transmembrane proteins called connexins. These pores permit the passage of ions, nucleotide... | train | med_mcqa | null |
What is the maximum permissible limit of daily exposure to noise level without causing damage to hearing? | [
"80 dB",
"85 dB",
"90 dB",
"95 dB"
] | B | Exposure to noise above 160 dB cause ruptures of the tympanic membrane. dB is unit of intensity of sound. For frequency unit is Hz Ref : Park 23rd edition Pgno : 742 | train | med_mcqa | null |
Procalcitonin is used as a marker for? | [
"Sepsis",
"Medullary carcinoma of thyroid",
"Vitamin D resistant rickets",
"parathyroid adenoma"
] | A | Answer is option 1, sepsis Prompt diagnosis and treatment with appropriate antimicrobial chemotherapy is of paramount impoance to reduce morbidity and moality associated with sepsis. Inflammatory markers currently in use, such as C-reactive protein (CRP) do not reliably differentiate between the systemic inflammatory r... | train | med_mcqa | null |
Gardener's syndrome is a rare hereditary disorder involving the colon. It is characterized by: | [
"Polyposis colon, cancer thyroid, skin tumours",
"Polyposis in jejunum, pituitary adenoma and skin tumours",
"Polyposis colon, osteomas, epidermal inclusion cysts and fibrous tumours in the skin",
"Polyposis of gastrointestinal tract, Cholangiocarcinoma and skin tumours"
] | C | Gardner's syndrome is a hereditary disorder characterized by adenomatous polyposis of large intestine in association with osteomas, epidermoid cysts, fibrous tumors of skin and congenital hyperophy of retinal pigment epithelium. Ref: Intestinal Polyps and Polyposis: From Genetics to Treatment and Follow-up By Gian Gaet... | train | med_mcqa | null |
Which of the following is not a classic symptom associated with delirium tremens? | [
"Tremor",
"Coarse nystagmus",
"Clouding of consciousness",
"Vivid hallucinations"
] | B | Vivid hallucinations, Clouding of consciousness and Vivid hallucinations are the classic triad of symptoms of delirium tremens. The symptoms peak at 72-96 hours (3-4 days). Death occurs in 5% of the cases. Autonomic disturbance, ataxia, insomnia, poor attention span, insomnia and dehydration are also symptoms of DT. Co... | train | med_mcqa | null |
All are surface anaesthetics except - | [
"Lignocaine",
"Bupivacaine",
"Procaine",
"Cinchocaine"
] | B | Ans. is 'b' i.e., Bupivacaine o Topical anaesthesia (surface anaesthesia) is produced by topical application of local anaesthetics to mucous membrane or abraded skin. o Surface anaesthetics are Dibucaine (Cinchocaine) Lignocaine Benoxinate Oxethazaine Prilocaine Tetracaine (Amethocaine) Cocaine Benzocaine Butamben o Pr... | train | med_mcqa | null |
Targeted critical agents used in a bioterrorist event are except? | [
"Junin virus",
"Ricinus communis",
"Bacillus cereus",
"Coxiella burnetii"
] | C | Ans. C. Bacillus cereusAgents of bioterrorisma) Ricinus communisb) Bacillus anthracisc) Coxiella burnetiid) Yersinia pestise) Small poxf) Viral hemorrhagic fevers -Junin virus | train | med_mcqa | null |
If a new sputum smear positive patient of tuberculosis continues to be smear positive at the end of intensive phase of category I treatment under DOTS, fuher management of this patient would be to - | [
"Sta category I treatment again",
"Treat. him as failure and sta category II treatmenet under DOTS",
"Continue the intensive phase or treatment for one more month",
"Sta continuation phase under category I"
] | C | <p> Patients in category I &II , who have a positive sputum smear at the end of the initial intensive phase , receive an additional month of intensive phase treatment. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:188. <\p> | train | med_mcqa | null |
HMP shunt occurs in all organs except | [
"Liver",
"Adipose tissue",
"RBC",
"Brain"
] | D | The organs in which HMP pathway occurs are those which are actively concerned with lipid synthesis, like the adipose tissue, kidney, lactating mammary gland, liver, RBC, thyroid, and gonads. It takes place in the cytosol.Ref: DM Vasudevan, 7th edition, page no: 131 | train | med_mcqa | null |
Which of the following group of drugs can cause Cystoid macular edema? | [
"Prostaglandin F2a analogue",
"Prostaglandin E2 analogues",
"Oral corticosteroids",
"a blockers"
] | B | Ans. (b) Prostaglandin E2 analoguesRef: Becker-Shaffer Glaucoma 8/e, p. 400Drugs causing Cystoid macular edema* Benzylalkonium chloride* Timolol* Dinoprostone (PGE2 analogues) | train | med_mcqa | null |
Which of the following is the most abundant extracellular ion? | [
"Calcium",
"Potassium",
"Sodium",
"Chloride"
] | C | Sodium is the most abundant extracellular ion, whereas potassium is the most abundant intracellular ion. Phosphate is the most abundant intracellular anion and chloride is the most abundant extracellular anion. Ref: Human anatomy and physiology By Elaine N. Marieb, Katja Hoehn, 2010, Page 625; Guyton's physiology 11th ... | train | med_mcqa | null |
Which of the following is the most common tumours of hea? | [
"Myxoma",
"Lipoma",
"Rhabdomyoma",
"None of the above"
] | A | Myxomas are the most common primary tumor of the hea in adults.They are benign neoplasms often associated with clonal abnormalities of chromosomes 12 and 17 that are thought to arise from primitive multipotent mesenchymal cells. Although they may arise in any of the four chambers, about 90% are located in the atria wit... | train | med_mcqa | null |
A 26-year-old woman with a past history of seizure disorder is admitted to the medical ICU with status epilepticus. Due to continued seizures, she is placed in a barbiturate coma. As pa of suppoive measures, she is intubated, placed on a mechanical ventilator, and given IV fluids through a central line. She remains sta... | [
"Chest tube placement",
"Thoracotomy",
"Fiberoptic bronchoscopy, antibiotic therapy, and chest physiotherapy",
"Abrupt cessation of barbiturates"
] | C | This x-ray shows homogeneous opacity in the right upper lobe with a marked shift of the horizontal fissure. No air bronchograms are seen. This is consistent with right upper lobe atelectasis. There is a small bump near the hilum in the curve of the minor fissure that may represent a proximal mass. The clinical history ... | train | med_mcqa | null |
Which disease is caused by anti - phospholipase 2 antibody: | [
"MPGN",
"Membrabous glomerulopathy",
"FSGN",
"Minimal Change Disease"
] | B | Membranous glomerulopathy:- MC nephrotic syndrome in elderly patient. Subepithelial Immune complex deposition on IF Spike and dome appearance on EM Cause by Anti phospholipase 2 receptor Antibody FSGS:- MC nephrotic syndrome in adult No immune complex deposition, -ve Immunofluorescent Effacement of foot processon EM. M... | train | med_mcqa | null |
Size of the bur for preparing lingual rest seat for a RPD is | [
"1/10 inch",
"1/4 inch",
"1/2 inch",
"1 inch"
] | B | To prepare the lingual rest in enamel, a safe side 1/4 inch diamond disk should be used.
Occlusal rest seats in sound enamel may be prepared with diamond points of approximately the size of No. 6 and round burs. | train | med_mcqa | null |
Most commonly involved ossicle in CSOM is | [
"Malleus",
"Incus",
"Stapes",
"All the above"
] | B | Ossicular necrosis is one of the sequale of CSOM. Most commonly, long process of incus gets necrosed. Sometimes, stapes superstructure also gets necrosed. This increases the conductive hearing loss to more than 50 dB Ref: Diseases of ENT by Dhingra 6th edition Pgno : 73 | train | med_mcqa | null |
The V wave of jugular venous pulses is produced due to: | [
"Atrial systole preceding tricuspid valve closure",
"Descent of the tricuspid valve ring",
"Closure of tricuspid valve",
"Passive filing of atrium during ventricular systole"
] | D | d. Passive filling of atrium during ventricular systole(Ref: Nelson's 20/e p 2164-2169)Normal waves in jugular venous pulseName ofwaveUnderlying causea waveAtrial contractionc waveTransmission of carotid arterial impulse through jugular veins or by bulging of tricuspid valve cusps into right atrium in early systole.v w... | train | med_mcqa | null |
Following type of turret (golden and silver) are used for? | [
"Forming rectangular arch wire",
"Forming round arch wire",
"Forming square arch wire",
"All of the above"
] | A | TURRET – GOLD
It is used for forming rectangular arch wires with torque adjustments: 0o – 7o – 10o – 13o – 16o.
It is used for use only with wire = .018”
TURRET – SILVER
It is used for forming rectangular arch wires with torque adjustments: 0o – 7o – 10o – 13o – 16o.
It is used for use only with wire = .022”
NOTE: GREE... | train | med_mcqa | null |
All the following Lipidoses are inherited as Autosomal Recessive Except | [
"Fabry",
"Krabbe",
"Gaucher",
"Taysachs"
] | A | FABRY DISEASE This disease is an X-linked inborn error of glycosphingolipid metabolism caused by the absent or markedly deficient activity of a-galactosidase A (a-gal A).Reference: Nelson Textbook of Paediatrics; 20th edition; Chapter 86; Defects in Metabolism of Lipids | train | med_mcqa | null |
The characteristic "sulfur grains"of actinomycosis are composed chiefly of | [
"Organisms",
"Neutrophils and monocytes",
"Monocytes and lymphocytes",
"Eosinophils"
] | A | null | train | med_mcqa | null |
Culture media used for diagnosis of EHEC 0157 : H7 is: | [
"O7 culture",
"Sorbitol MacConkey media",
"XLD Agar",
"Deoxycholate Media"
] | B | Non- DNA- dependent methods are used for routine diaggnosis of EHEC 0157: H7. This serotype is suggested by isolation of an E-coli that fails to fermant sorbitol on MacConkey sorbitol; latex aggulination confirms. Ref: Kliegman, Behrman, Jenson, Stanton (2008), "Nelson textbook of Pediatrics", Chapter 197, "Escherichia... | train | med_mcqa | null |
All are seen is tumor lysis syndrome except: (Repeat) | [
"Hypercalcemia",
"Hypocalcemia",
"Hyperphosphatemia",
"Hyperkalemia"
] | A | Ans: A (Hypercalcemia) Ref: Harrison's Principles of Internal Medicine, 18th edition, pg 2274Explanation:Refer Medicine 2(H3 question explanationTumor lysis Syndrome ( TLS)Characteristic biochemical changes in Tumor lysis SyndromeHyperuricemiaHyperkalemiaHypocalcemiaHyperphosphatemiaAcidosisAcute renal failure. | train | med_mcqa | null |
All are features seen in Chronic Pancreatitis except ? | [
"Chronic persistent pain",
"Diarrhoea, Steatorrhoea",
"Calcification",
"Paralytic ileus"
] | D | Ans. is 'd' i.e., Paralytic ileus | train | med_mcqa | null |
Griseofulvin is used in – | [
"Tinea capitis",
"P. versicolor",
"Candidiasis",
"ALL"
] | A | null | train | med_mcqa | null |
Following are true about case control study except- | [
"Retrospective study",
"Risk factor is present but not outcome",
"Both outcome and risk factors have occured",
"There is not risk to people in study"
] | B | Case control studies often retrospective studies are common first approach to test causal hypothesis. In recent years, case control study has emerged as a permanent method of epidemiological investigation. Both exposure and outcome has occurred before the study. Study proceeds backwards from effect to cause. It uses a ... | train | med_mcqa | null |
Bronchiectasis means..............of bronchi - | [
"Inflammation",
"Dilatation",
"Cavitation",
"All"
] | B | Ans. is 'b' i.e., Dilatation Bronchiectasis Bronchiectasis is a disease characterized by permanant dilatation of bronchi and bronchioles caused by destruction of the muscle and elastic tissue, resulting from or associated with chronic necrotizing infections. Bronchiectasis is associated with ?Congenital conditions Cyst... | train | med_mcqa | null |
The ultrasonic sound waves employed in ultrasound machine for medical sonography have the frequency of - | [
"2 – 20 MHz",
"Less than 1 MHz",
"20 – 20, 000 Hz",
"Greater than 100 MHz"
] | A | null | train | med_mcqa | null |
Which of the following is a triple negative breast cancer - | [
"Colloid Cancer",
"Secretory cell cancer",
"Acinic Cell Carcinoma",
"Mucinous Carcinoma"
] | B | Answer- B. Secretory cell cancerUpon histologic examination, triple-negative breast tumors mostly fall into the categories of secretory cell carcinoma or adenoid cystic types (both considered less aggressive); medullary cancerc and grade 3 invasive ductal carcinonas with no specific subtype; and highly aggressive metas... | train | med_mcqa | null |
Which of the following drugs may cause thrombocytopenia - | [
"Ticlopidine",
"Clopidogrel",
"Abciximab",
"Aspirin"
] | A | Ans. is 'a' i.e., Ticlopidine | train | med_mcqa | null |
Sho term memory conversion to long-term memory takes place in | [
"Hypothalamus",
"Thalamus",
"Hippocampus",
"Amygdala"
] | C | Sho-term memory lasts seconds to hours during which processing in the hippocampus and elsewhere lays down longterm changes in synaptic length.Ref: Ganong&;s review of medical physiology; 23rd edition; pg:290. | train | med_mcqa | null |
The hardness of Hard water (in mg/L) is | [
"<50",
"50-100",
"150-300",
">300"
] | C | (PARK TB 25rd edition pg 787) Hardness is the soap destroying power of water. Level of hardness is expressed in terms of milliequivalents per litre where one milliequivalent is equal to 50mg calcium carbonate in one litre of water. The level of hardness of hard water is equal to 3-6mEq/L or 150-300 mg/L. CLASSIFICATION... | train | med_mcqa | null |
24 yr old woman walking up experiences pain in heel which decreases on walking down. X-ray shows bone spur. Diagnosis ? | [
"Plantar fasciitis",
"Calcaneal exostosis",
"Osteomyelitis of calcaneum",
"Achillis tendinitis"
] | D | Ans. is 'd' i.e., Achillis tendinitis Heel pain when walking up hill or up stairs is typical of Achillis tendinitis. Other three options can also cause heel pain, but pain in these conditions has no relation to going up or down. It is consitent throughout. | train | med_mcqa | null |
Which of the interleukins is responsible for endogenous pyrexia in a young lady admitted on the medical ward? | [
"IL1",
"IL6",
"INF gamma",
"IFN alpha"
] | A | IL1 also konwn as endogenous pyrogen causes fever by inducing the production of prostaglandin E2 which acts on the hypothalamus and induce a fever like reaction. IL 1 is produced by macrophages. | train | med_mcqa | null |
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