Which instruction should the nurse give the patient with benign prostatic hyperplasia being treated with an alpha blocker?
A) "This drug works by relaxing the smooth muscles of the prostate."
B) "Symptoms should start to improve in 48 to 72 hours."
C) "Notify the doctor if you experience a slow heart rate."
D) "This drug may make you hyperaroused or excitable."
A) "This drug works by relaxing the smooth muscles of the prostate."
Explanation: A) Alpha blockers act on the alpha receptors in the prostate, causing the smooth muscles of the prostate to relax. Relaxation of these muscles decreases constriction of the urethra.
B) It may take 2 weeks to 4 months to notice symptom improvement when starting an alpha blocker.
C) Adverse effects of alpha blockers include headache, nasal congestion, dizziness, drowsiness, postural hypotension, reflex tachycardia, and retrograde or delayed ejaculation.
D) Adverse effects of alpha blockers include headache, nasal congestion, dizziness, drowsiness, postural hypotension, reflex tachycardia, and retrograde or delayed ejaculation.
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