ATI LPN
ATI PN Pharmacology 2020 Questions
Extract:
Question 1 of 5
A nurse is collecting data from a client who received diphenhydramine for insomnia. Which of the following findings should the nurse identify as an idiosyncratic reaction?
Correct Answer: C
Rationale: The correct answer is C: Agitation. An idiosyncratic reaction is an unexpected response to a medication that is not related to the known pharmacological actions of the drug. In this case, diphenhydramine is an antihistamine primarily known for its sedative effects, not causing agitation. Dry mouth (choice
A) and dizziness (choice
D) are common side effects of diphenhydramine due to its anticholinergic properties. Nausea (choice
B) can also be a common side effect. In summary, agitation is the idiosyncratic reaction as it is not a typical response to diphenhydramine, unlike the other choices which are more commonly associated side effects.
Question 2 of 5
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Question 3 of 5
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Question 4 of 5
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Question 5 of 5
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