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Veterinary Technician

Category - Pharmacology

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When discussing drug interactions, what is the term used to describe a drug that blocks a natural body substance or normal function without producing any physiological effect?

Antagonist
Agonist
Annoyance
Additionist

Explanation

Answer: A - An antagonist drug is one that, when interacting with its receptor, blocks a natural body substance or normal function without producing additional effects. An example would be diphenhydramine, an antihistamine, which blocks the body's response to histamines that cause allergies.

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