Drug efficacy refers to_________________?

Related Mcqs:

1. Sterilisation control for moist heat is “or” The efficacy of the moist heat sterilization technique commonly used to sterlilize laboratory ware and culture media is tested by using_______________?

   A. using Bacillus stearo thermo philus
   B. Using non-pathogenic strain of clostridium tetani
   C. Using chemical indicator
   D. Using methylene blue

2. Ultimate tensile strength refers to_________________?

   A. Stress before rupture
   B. Stress after rupture
   C. Longitudinal compressive strength
   D. Horizontal compressive strength

3. The phase I reactions of drug metabolism include The following except_____________?

   A. Hydolysis
   B. Reduction
   C. Oxidation
   D. Conjugation

4. Neuro adaptation to drug is same as______________?

   A. Physical dependence
   B. Psychological dependence
   C. Addiction
   D. Habituation

5. All the following increases drug metabolism by activating cytochrome enzyme, EXCEPT___________?

   A. Tetracycline
   B. Cimetidine
   C. Rifampicin
   D. Phenobarbitone

6. A drug A & B compared, all are true except____________?

   A. 1 mg of A causes same effect of 3 mg of B, so A is more potent
   B. 1 mg of A cause effect not even caused by maximum tolerated dose of B, so drug A is more efficacious
   C. 1 mg of A cause effect not caused by 1 mg of B so A is more efficacious
   D. Efficacy is not dose dependent

7. The dose of a drug required to produce a specified effect in 50% of the population is_____________?

   A. Ld50
   B. Td50
   C. Md50
   D. Ed50

8. Plasma concentration of drug at time 0 is 96g/mL. if t1/2 is 2 hours concentration is plasma at 10 hours will be___________?

   A. 48
   B. 24
   C. 12
   D. 3

9. Drug which crosses placental barrier is____________?

   A. phenytoin
   B. Diazepam
   C. Corticosteroids
   D. All of the above

10. Complete drug elimination occurs after how many hours, if t½ is 4 hrs______________?

    A. 12 hrs
    B. 20 hrs
    C. 25 hrs
    D. 30 hrs