Pharmacology MCQ Questions — Page 885

Question 1

Cross resistance to macrolides is because:

Answer

Efflux of drug out of the cell by pump

Answer

Induction of enzyme that hydrolyzes macrolides

Answer

Methylation of 50s ribsome

Answer

None of the above

Question 2

BMetformin

DInsulin

Answer

Vildagliptin

Answer

Glibenclamide

Question 3

Answer

Tolerance develops to all actions of morphine

Answer

No tolerance occurs to euphoric and sedative actions of morphine

Answer

No tolerance occurs to constipating and miotic actions of morphine

Answer

Lethal dose of morphine is not significantly increased

Question 4

Answer

Vancomycin

Answer

Gentamicin

Answer

Trimethoprim-sulphamethoxazole

Answer

Ceftriaxone

Question 5

BPindolol

Answer

Propranolol

Answer

Ergotamine

Answer

All of the above

Question 6

Answer

Prolongs the duration of action by affecting the liver metabolism of penicillin

Answer

Increases the half-life and serum level by decreasing the renal excretion of penicillin

Answer

Promotes entry of the penicillin into the bacteria

Answer

Decreases the bacterial resistance by inhibiting penicillinase production

Question 7

Answer

Mydriasis required without cycloplagia

Answer

Cycloplegia is required

Answer

Mydriasis and cycloplegia both required

Answer

Cycloplegia and mydriasis both are not required

Question 8

AHeparin

BWarfarin

COxalate

DCitrate

Question 9

Answer

Direct sympathomimetics involved

Answer

Mechanism clearly understood

Answer

Ephedrine tachyphylaxis reversed with dopamine

Answer

Indirect sympathomimetics involved