CNPR Pharmacology & Medical Terminology 4

Question 1

Which route of drug administration provides the fastest onset of action in emergency situations?

Accepted Answer

Intravenous

Answer

Intravenous (IV) administration delivers drugs directly into the bloodstream, providing the fastest onset and 100% bioavailability.

Question 2

The combining form 'hepato-' relates to which organ system?

Accepted Answer

Liver

Answer

The combining form 'hepato-' derives from Greek 'hepar' meaning liver, used in hepatitis and hepatology.

Question 3

Which pharmacological term describes a drug that blocks or reduces the action of a receptor?

Accepted Answer

Antagonist

Answer

An antagonist binds to a receptor without activating it, blocking the receptor from being activated by an agonist.

Question 4

The term 'dyspnea' refers to:

Accepted Answer

Difficulty breathing

Answer

Dyspnea means difficult or labored breathing; 'dys-' means difficult/abnormal and '-pnea' relates to breathing.

Question 5

Drug 'distribution' in pharmacokinetics refers to:

Accepted Answer

Delivery of drug from systemic circulation to tissues

Answer

Distribution describes the reversible transfer of drug from the bloodstream into tissues and organs throughout the body.

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