Pharmacology MCQs

Page No. 24

Antibiotic that interferes with DNA function is_____________?


aMetronidazole

✓


b Tetracycline

✖


c Nystatin

✖


dSulphonamides

✖


View Answer Metronidazole

The oropharyngeal and oesophageal candidiasis following long-term therapy with a broad spectrum antibiotic can be best treated with____________?


aGriseofulvin

✖


bAmphotericin

✖


cFluconazole

✓


dSulfonates

✖


View Answer Fluconazole

The drug for choice for treatment of infection involving non-penicillinase producing staphylococcus is___________?


aAmpicillin

✖


bErythromycin

✖


cPenicilling G

✓


dMethicillin sodium

✖


View Answer Penicilling G

The drug for choice for treatment of infection involving non-penicillinase producing staphylococcus is______________?


aAmpicillin

✖


bErythromycin

✖


c Penicilling G

✓


d Methicillin sodium

✖


View Answer Penicilling G

Drug chemically related to penicillins is_____________?


a Tetracycline

✖


bSulphonamide

✖


cCephalosporin

✓


d Lincemycin

✖


View Answer Cephalosporin

Mechanism of action of nifidipine is_____________?


aIt has a prominent smooth muscle relaxant action causes arteolar dilation leading to fall in blood pressure

✓


b Nifidipine depresses the SA node thus decreasing mycocoardial excitability

✖


cMainly depression of A-V conduction

✖


dDecreased cardiac output thus decreasing load on myocardium

✖



The mechanism of action of sodium nitroprusside is_____________?


aIncreases cAMP

✖


b Direct Vasodilator

✓


cCalcium channel blocker

✖


d Block the sympathetic flow at hypothalamus

✖


View Answer Direct Vasodilator

Morphine is a_____________?


a Sedative

✖


bAlkaloid

✖


c Diuretic

✖


dBoth A & B

✓


View Answer Both A & B

Which of the following cardiac depressants is contraindicated in a patient with cardiac arrhythmia____________?


aLidocaine

✖


bQuinidine

✓


cPhenytoin

✖


dPropranolol

✖


View Answer Quinidine

Quindine is used to treat______________?


aHypertension

✖


bAngina pectoris

✖


cAtrial fibrillation

✓


dCongestive heart failure

✖


View Answer Atrial fibrillation

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