Question 1

What does bioavailability represent?

Accepted Answer

The rate and extent of the active ingredients absorbed from a drug product that becomes available at the site of action.

Answer

The amount of drug excreted after administration.

Answer

The chemical structure of the drug in the body.

Answer

The total quantity of drug administered to the patient.

Question 2

Which of the following terms refers to the finished dosage form containing the active ingredient?

Accepted Answer

Drug product.

Answer

Brand name

Answer

Active pharmaceutical ingredient (API)

Answer

Chemical name

Question 3

What does the term 'therapeutic equivalents' refer to?

Accepted Answer

Drug products that are pharmaceutical equivalents and expected to have the same clinical effect.

Answer

Drugs that contain different active ingredients but serve a similar purpose.

Answer

Drugs that are chemically identical but differ in formulation.

Answer

The brand names of various drug products.

Question 4

What is absolute bioavailability?

Accepted Answer

The fraction of the administered dose that reaches systemic circulation after extravascular administration.

Answer

The extent to which a drug is absorbed after a single dose.

Answer

The ratio of a drug's plasma concentration to its dose.

Answer

The total volume of distribution in the body.

Question 5

What is the significance of the Cmax parameter?

Accepted Answer

It provides an indication that the drug is sufficiently systemically absorbed.

Answer

It denotes the rate at which the drug is eliminated.

Answer

It measures the total drug concentration in urine.

Answer

It indicates the maximum absorption time.

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