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…
Combination of ampicillin and gentamicin is an example of_____________? A. IndifferenceB. Synergy C. Antagonism D. Bacterial symbiosis
Which drugs had high first pass effect_____________? A. Amiodarone B. PhenytoinC. Verapamil D. Disorpyamide
Neuro adaptation to drug is same as______________? A. Physical dependence B. Psychological dependence C. Addiction D. Habituation
Idiosyncracy is known as to have_____________? A. Genetic component B. Psychological component C. Psysiological component D. Nutritional component
Zero order kinetics is seen with_______________? A. Phenytoin B. Phenabarbtion C. Erythromycin D. Digoxin
Drugs showing zero order kinetics of elimination_____________? A. Are more common than first order kinetics B. Decrease in concentration exponentially with timeC. Have a half – life independent of dose D. Show a plot of drug concentration versus time that…
Therapeutic index is____________? A. LD 100/Ed100 B. ED 100/LD 100C. LD 50/ED500 D. ED50/LD50
Allergic reactions depends on all except____________? A. previous exposure to the drugB. Dosage of the drug received C. Pharmacological action of the drug D. Antigen antibody reaction
When allergic manifestations occur pursuant to use of antimicrobial agents, what of the following is seen____________? A. Skin eruptions B. Angioneurotic edema C. Sialorrhea D. Serum imbalanceE. Both A & B