Education on pharmacology is taking place on the nursing unit. The discussion involves the receptor sensitivity of a medication. The presenter asks the nurses to provide an example of desensitization
Which of the following responses would be an example of desensitization?
a. The synthesis of more receptors
b. Continuous exposure to antagonists
c. Continual exposure to an agonist
d. Antacids used to reduce gastric acid
ANS: C
Continual exposure to an agonist would cause the cell to become less responsive or desensitized.
The synthesis of more receptors would create a hypersensitivity reaction.
Continuous exposure to antagonists would also contribute to hypersensitivity.
Antacids used to reduce gastric acid are an example of receptorless drugs.
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