A nurse is teaching a client about taking diphenhydramine. The nurse should explain to the client that which of the following is an adverse effect of this medication?
Headache
Constipation
Bradycardia
Hypertension
The Correct Answer is B
The correct answer is choice b. Constipation.
Choice A rationale:
While headaches can occur with some medications, they are not a common adverse effect of diphenhydramine. Diphenhydramine's typical side effects are more related to its anticholinergic properties.
Choice B rationale:
Diphenhydramine is an antihistamine with anticholinergic effects, which can lead to dry mouth, urinary retention, and constipation as common adverse effects.
Choice C rationale:
Diphenhydramine typically does not cause bradycardia. In some cases, it may cause tachycardia (increased heart rate) rather than a slower heart rate.
Choice D rationale:
Hypertension is not typically associated with diphenhydramine. In fact, it can sometimes cause hypotension (low blood pressure) rather than high blood pressure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Neuromuscular-blocking agents paralyze the muscles, including the respiratory muscles. Therefore, it is crucial to ensure that the patient maintains a patent airway and is able to breathe effectively. The nurse should monitor the patient's respiratory rate, depth, and effort, as well as assess for signs of airway obstruction, such as stridor or wheezing.
Skin assessment for rash (option b), blood pressure assessment for orthostatic hypotension (option c), and assessment for fluid volume overload (option d) may also be important assessments for the nurse to obtain, but they are not the most critical assessments when a patient is being treated with a neuromuscular-blocking agent.

Correct Answer is C
Explanation
Enteric-coated aspirin is designed to release slowly over time to protect the stomach lining from irritation. Crushing the medication would defeat this purpose and could cause stomach irritation or other side effects.
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