Question

The amount of administered drugs that enter the circulation, and is therefore available to the site...

The amount of administered drugs that enter the circulation, and is therefore available to the site of action, is defined as what?

A. Bioavailability
B. Bioequivalence
C. Drug absorption
D. Clearance
E. Half-life
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Answer #2

Correct answer:- (A) Bioavailability

Explanation:-
(A) Bioavailability:- The amount of administered drugs that enter the circulation, and is therefore available to the site of action.

(B) Bioequivalence:- it is a term in pharmacokinetics used to assess the expected in vivo biological equivalence of two proprietary preparations of a drug.

(C) Drug absorption:- Absorption is the transfer of a drug from its site of administration to the bloodstream.

(D) Clearance:-it is concerned with the rate at which the active drug is removed from the body.
- clearance is defined as the rate of drug elimination divided by the plasma concentration of the drug.

(E) Half life:- it is the time required for the concentration of drug in the body to be reduced by one-half.

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