Pharmacology MCQs

Page No. 19

Tetracyclines act by__________________?


aInhibiting the binding of aminoacyl tRNA to the ribosomal complex

✓


bInhibiting peptidyl transferase

✖


cInactivating elongation factors

✖


d Causing misreading of mRNA

✖



While performing a procedure, a resident doctor injures herself with a suture needle that has been used to stitch a patient with HIV infection for 11 years. He has been complaint with therapy for several years and has recently changed tablets because of alteration in his appearance. His last CD4 count was 360 cells/mm. The doctor is offered post exposure prophylaxis. Which regimen should she take ?


aZiduvidine and Lamivudine

✖


b Ziduvidine and Lamivudine and Indivair

✓


cZiduvidine and Lamivudine and Stavudine

✖


d Ziduvidine and Lamivudine and Abacavir

✖



The incidence of allergy to penicillin among various population ranges from______________?


a1% to 10%

✓


b10% to 20%

✖


c 20% to 30

✖


d 30% to 40%

✖


View Answer 1% to 10%

The most preferred acute emetic for emesis induced by anticancer drugs is______________?


aOndensetron

✓


bMetaclopromide

✖


cChlorpromazine

✖


dDicyclomine

✖


View Answer Ondensetron

Not true about PnG is______________?


aDestroyed by gastic acid

✖


bVery active against sensitive gram positive coci

✖


cUsed for treatment of meningococcal meningitis

✖


dMore concentrated in prostatic secretion and intraocular fluids

✓



All are macrolide antibiotics EXCEPT______________?


a Erythromycin

✖


bRoxithromycin

✖


cNeomycin

✓


dCalithromycin

✖


View Answer Neomycin

Which of the following can be given as a single dose antimalarial for P.vivax malaria______________?


a Atovaquone + Proguanil

✖


bArtemisinin

✖


cQuinine + Tetracycline

✖


dPyrimethamine + Sulfadoxime

✓



Tetracycline acts on______________?


a30S ribosomes

✓


b50S ribosomes

✖


cCell membrane

✖


dInhibiting DNA gyrase

✖


View Answer 30S ribosomes

AIDS is a disease if the immune system primarily affecting_____________?


a Granulocytes

✖


b Immunoglobulins

✖


cOpsonins

✖


d T lymphocytes

✓


View Answer T lymphocytes

Topical Antifungal agent in candidiasis is______________?


a Clotrimazole

✓


bClotrimoxazole

✖


cOrnidazole

✖


d Propronolol

✖


View Answer Clotrimazole

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