A. 12 hrs
B. 20 hrs
C. 25 hrs
D. 30 hrs
Related Mcqs:
- 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 - Elimination after 4 half lives in first order kinetics is____________?
A. 84%
B. 93%
C. 80.5%
D. 4.75% - Most of the drug resistances occurs due to_____________?
A. Transduction
B. Transformation
C. Mutation
D. conjugation - Which of the following drugs undergoes “Hoffmann elimination” ?
A. d-tubecurarine
B. Acetycholine
C. Atracurium
D. Acetazolamide - The phase I reactions of drug metabolism include The following except_____________?
A. Hydolysis
B. Reduction
C. Oxidation
D. Conjugation - All of the following statements regarding biovailability of a drug are true except______________?
A. It is the proportion (fraction) of unchanged drug that reaches the systemic circulation
B. Biovailability of an orally administered drug can be calculated by comparing the area under cure (o-a) after oral and intravenous (IV) administration
C. Low oral biovailability always and necessarily mean poor absorption
D. Biovailability can be determined from plasma concentration or urinary excretion data - Drug efficacy refers to_________________?
A. Range of disease in which the drug beneficial
B. Maximal intensity of response that can be produced by the drug
C. The therapeutic does range of the drug
D. The therapeutic index of the drug - When a drug creates an effect that is unpredictable and unique it is termed as____________?
A. Side effect
B. Toxicity effect
C. Idiosyncratic effect
D. Drug on Drug effect - The following statements are true about intravenous route of drug administration EXCEPT____________?
A. It is useful in emergencies
B. Aseptic precautions are required
C. Bioavailability is 100%
D. Suspensions can be administered - Following drug which undergo most of its metabolism presystemically______________?
A. Salbutamol
B. Verapamil
C. Propranolol
D. Paracetamol