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Mcqs MBBS Exams India
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(Single Best Answer) Question 251: 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 252: 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 253: 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):
(Single Best Answer) Question 254: 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 255: Therapeutic index is a measure of ?
A) Toxicity
B) Safety
C) Efficacy
D) Potency
Answer (Select an option above to get the answer):
(Single Best Answer) Question 256: Penicillin effective against Pseudomonas is ?
A) Piperacillin
Answer (Select an option above to get the answer):
(Single Best Answer) Question 257: Which of the following is not an antifungal ?
A) Ciclopirox
B) Fluconazole
C) Clofazimine
D) Undecylenic acid
Answer (Select an option above to get the answer):
(Single Best Answer) Question 258: Not a side effect of Tacrolimus ?
A) Diabetes / Hyperglycemia
B) Nephrotoxicity
C) Neurotoxicity
D) Hirsuitism
Answer (Select an option above to get the answer):
(Single Best Answer) Question 259: Clomiphene citrate acts through ?
A) blocking ER receptors
B) blocking Negative feedback of estrogen on hypothalamus and pituitary
C) acting synergistically with estrogen
D) inhibit gonadotropin secretion
Answer (Select an option above to get the answer):
(Single Best Answer) Question 260: Mechanism of action of Pralidoxime ?
A) Reactivation of choline-esterase
Answer (Select an option above to get the answer):

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