CNPR Pharmacology & Medical Terminology 3

Question 1

Which term describes the unwanted secondary effects of a drug beyond its therapeutic purpose?

Accepted Answer

Side effect

Answer

Side effects are unintended pharmacological actions that occur alongside the desired therapeutic effect.

Question 2

The medical root word 'cardio' pertains to which organ?

Accepted Answer

Heart

Answer

The root 'cardio' derives from the Greek 'kardia' meaning heart, used in terms like cardiology and cardiovascular.

Question 3

A drug's 'half-life' is defined as the time required for:

Accepted Answer

The plasma concentration to decrease by 50%

Answer

Half-life is the time for plasma drug concentration to fall by 50%, determining dosing frequency.

Question 4

Which prefix means 'against' or 'opposing' in pharmacological terminology?

Accepted Answer

Anti-

Answer

The prefix 'anti-' means against or opposing, as seen in antibiotics (against bacteria) or antihypertensives.

Question 5

Pharmacodynamics is best described as the study of:

Accepted Answer

How a drug affects the body

Answer

Pharmacodynamics studies the biochemical and physiological effects of drugs and their mechanisms of action on the body.

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