A nurse is caring for a client with BPH who has been prescribed an alpha-blocker. The nurse should anticipate that this medication will primarily work by:
Reducing the size of the prostate
Relaxing the smooth muscles of the bladder neck and prostate
Inhibiting the production of dihydrotestosterone (DHT)
Enhancing urine production by the kidneys
The Correct Answer is B
A. Alpha-blockers do not directly reduce the size of the prostate gland. They work by relaxing the smooth muscles of the bladder neck and prostate, improving urinary flow and reducing obstructive voiding symptoms.
B. This is the correct answer. Alpha-blockers are commonly prescribed for BPH to relax the smooth muscles of the bladder neck and prostate, relieving the obstruction and improving urine flow.
C. Inhibiting the production of dihydrotestosterone (DHT) is the mechanism of action of 5-alpha reductase inhibitors, not alpha-blockers. DHT plays a role in prostate enlargement, and inhibiting its production can reduce the size of the prostate over time.
D. Alpha-blockers do not enhance urine production by the kidneys. They primarily focus on relaxing the smooth muscles to improve urinary flow.
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Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is A
Explanation
A. This is the correct answer. The client's symptoms of difficulty starting the urinary stream and a weak urine flow, along with a distended bladder and a firm, enlarged prostate on digital rectal examination, suggest acute urinary retention, which is a complication of BPH.
B. Chronic kidney disease is not directly related to the physical findings described in the scenario.
C. Urethral stricture may cause difficulty in starting the urinary stream, but it would not typically present with a distended bladder and an enlarged prostate.
D. Prostate cancer may have similar symptoms to BPH but would not present with acute urinary retention and a distended bladder.
Correct Answer is C
Explanation
A. Limiting fluid intake in the morning is not likely to be helpful in reducing nighttime awakenings caused by urinary frequency and nocturia.
B. Limiting fluid intake in the afternoon is not likely to be helpful in reducing nighttime awakenings caused by urinary frequency and nocturia.
C. This is the correct answer. Limiting fluid intake in the evening can help reduce the volume of urine produced during the night, thereby decreasing nocturia and nighttime awakenings.
D. Limiting fluid intake at night may cause dehydration and is not recommended. Instead, the client should focus on reducing evening fluid intake to minimize nighttime urine production.
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