Pharmacology MCQs

Page No. 9

Which of the following is primarily a bactericidal drug?


aChloramphenicol

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bGentamicin

✓


cSulphadiazine

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dTetracycline

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View Answer Gentamicin

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


aMore reliable oral obsorption

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bGreater resistance to pencillinase

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cSlower renal excretion

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d Broader antibacterial spectrum

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Chloramphenicol can cause_____________?


aStaining of teeth

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bAplastic anaemia

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cBone marrow suppression

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d B & C

✓


View Answer B & C

The antibiotic of choice in patients sensitive to penicillin is___________?


aErythromycin

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bStreptomycin

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cTetracycline

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d Chloramphenicol

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View Answer Erythromycin

Tetracycline is contraindicated in_____________?


a Children

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b Pregnancy

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cRenal failure

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dAll of the above

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View Answer All of the above

Mechanism of action of quinolones is______________?


a Inhibits DNA gyrase

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bInhibits Bacterial protein synthesis

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cInhibits bacterial cell wall synthesis

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d Inhibits intake of folic acid

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The bacterial resistance to tetracycline is due to___________?


aAlteration of drug binding sites

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bAlteration of dehydrofolate reductase

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c Inactivation of drug by enzymes

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dDecreased uptake of drug by bacteria

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The drug of choice for treatment of tyhoid is____________?


aTetracycline

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bMetronidazole

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cCiprofloxacin

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dCefotaxim

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View Answer Ciprofloxacin

Antifungal drug not used in the treatment of imtestinal candidiasis______________?


a Amphotericin

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bNystatin

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c Ketoconazole

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dClotrimazole

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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

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b Tetracyclin

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cErythromycin

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dCo-trimoxazole

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View Answer Erythromycin

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