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Mcqs MBBS Exams India
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(Single Best Answer) Question 2491: Corynebacterium diphtheria all are true except ?
A) It has metachromatic granules
B) It does not invade deep tissues
C) Elek's test
D) Toxin production is governed by chromosomal gene
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2492: HIV window period is ?
A) From infection to detection of antibodies
B) From HIV to onset of symptoms
C) From HIV to AIDS
D) From HIV to low CD4 count (200)
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2493: The following drugs act on GABA-A receptors except ?
A) Thiopentone
B) Midazolam
C) Zopiclone
D) Promethazine
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2494: Phenytoin all are true except ?
A) Induces enzymes
B) Zero order kinetics at low dose
C) Half life increases with increasing dose
D) Highly protein bound
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2495: Which of the following drugs binds most avidly to 5HT3 ?
A) Granisetron
B) Ondansetron
C) Dolasetron
D) Palanosetron
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2496: Which of the following is a marker of acute hepatitis B ?
A) Anti HBsAg
B) IgG Anti HBc
C) HBeAg
D) HBV DNA
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2497: The group of drugs not used for sedation but with adverse effect of sedation is ?
A) Antihistaminics
B) Antidepressants
C) Digitalis
D) Antiarrhythmics
Answer (Select an option above to get the answer):
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2498: Fibrates all are true except ?
(Single Best Answer) Question 2499: Benzodiazepine, true is ?
A) Safer in overdose
B) Induce metabolism of other drugs
C) All have active metabolites
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2500: For Vibrio cholerae the medium used is ?
A) Thayer Martin Medium
B) TCBS
C) Skiwett Medium
Answer (Select an option above to get the answer):

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