The pharmacology instructor explains to students that adverse effects can be extensions of what?
A) Primary action of a drug
B) Anaphylaxis
C) Secondary action of a drug
D) Anticholinergic responses to the drug
A
Feedback:
Primary action adverse effects are extensions of the therapeutic action and are usually the result of overdosage, essentially too much of the therapeutic effect. Anaphylaxis is not an extension of the therapeutic action of the drug but a histamine reaction to an allergen. Secondary actions of a drug are negative effects of the drug that occur even when the drug is in the therapeutic range. Anticholinergic responses occur in response to drugs that block the parasympathetic nervous system.
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