A nurse is trying to ensure a student nurse's understanding of drug interactions with receptor binding. Which statement made by the student indicates a need for further teaching?
a. Drugs can bind to receptors and cause activation.
b. Drugs can bind to receptors and block receptor activation by other agents.
c. Drugs can bind receptor components and enhance receptor activation by the natural transmitter at the site.
d. Drugs bind to receptors and thereby alter a cell's function.
ANS: D
Drugs do not alter cellular function; this statement indicates a need for further teaching.
Drugs can bind to receptors and activate them; no further teaching is indicated.
Drugs may block the receptor site; no further teaching is indicated.
Drugs can enhance transmitter effects; no further teaching is needed.
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