Pharmacology MCQs

Page No. 9

Which of the following is primarily a bactericidal drug?


aChloramphenicol


bGentamicin


cSulphadiazine


dTetracycline


View Answer Gentamicin

The therapeutic advantage that pencillin V has over pencillin G is____________?


aMore reliable oral obsorption


bGreater resistance to pencillinase


cSlower renal excretion


d Broader antibacterial spectrum



Chloramphenicol can cause_____________?


aStaining of teeth


bAplastic anaemia


cBone marrow suppression


d B & C


View Answer B & C

The antibiotic of choice in patients sensitive to penicillin is___________?


aErythromycin


bStreptomycin


cTetracycline


d Chloramphenicol


View Answer Erythromycin

Tetracycline is contraindicated in_____________?


a Children


b Pregnancy


cRenal failure


dAll of the above


View Answer All of the above

Mechanism of action of quinolones is______________?


a Inhibits DNA gyrase


bInhibits Bacterial protein synthesis


cInhibits bacterial cell wall synthesis


d Inhibits intake of folic acid



The bacterial resistance to tetracycline is due to___________?


aAlteration of drug binding sites


bAlteration of dehydrofolate reductase


c Inactivation of drug by enzymes


dDecreased uptake of drug by bacteria



The drug of choice for treatment of tyhoid is____________?


aTetracycline


bMetronidazole


cCiprofloxacin


dCefotaxim


View Answer Ciprofloxacin

Antifungal drug not used in the treatment of imtestinal candidiasis______________?


a Amphotericin


bNystatin


c Ketoconazole


dClotrimazole


View Answer Clotrimazole

A patient has seasonal allergic rhinitis and is on terfenadine, He develps cardiac arrhythmias after a course of antibiotics. Which of the following antibiotic could have been given_____________?


aAmpicillin


b Tetracyclin


cErythromycin


dCo-trimoxazole


View Answer Erythromycin

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