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.
Questions
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A) This statement is not correct. BPH is a non-cancerous condition, not a malignant tumor.
B) This is the correct answer. BPH is characterized by the enlargement of the prostate gland, which is non-cancerous and benign.
C) This statement is not correct. BPH is not an infection of the prostate gland but rather an enlargement.
D) This statement is not correct. BPH does not involve the absence of the prostate gland; it is an enlargement of the gland.
Correct Answer is C
Explanation
A. Stress urinary incontinence is the involuntary loss of urine due to activities that increase intra-abdominal pressure, such as coughing or sneezing. It is not related to the symptoms described in the question.
B. Overflow urinary incontinence is characterized by a constant dribbling of urine due to an overdistended bladder. It is typically seen in conditions that obstruct urine flow, such as BPH, but it does not present as difficulty starting the urine stream and a weak flow.
C. This is the correct answer. Difficulty starting the urine stream and a weak urinary flow are common symptoms of urinary retention, a condition in which the bladder does not fully empty during voiding due to an obstruction, such as an enlarged prostate in BPH.
D. Urge urinary incontinence is characterized by a sudden, strong urge to urinate, followed by involuntary urine loss. It is not related to the symptoms described in the question.
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