A client with BPH is prescribed a 5-alpha reductase inhibitor. The nurse should instruct the client that this medication works by:
Relaxing the smooth muscles in the bladder neck
Blocking the conversion of testosterone to dihydrotestosterone (DHT)
Inhibiting bacterial growth in the prostate gland
Contracting the prostate gland
The Correct Answer is B
A. Relaxing the smooth muscles in the bladder neck is the action of alpha-blockers, not 5-alpha reductase inhibitors.
B. This is the correct answer. 5-alpha reductase inhibitors work by blocking the enzyme 5-alpha reductase, which converts testosterone into dihydrotestosterone (DHT). DHT is involved in the growth of the prostate gland, and reducing its levels can help shrink the prostate and improve urinary flow in BPH.
C. Inhibiting bacterial growth in the prostate gland is the action of antibiotics, not 5-alpha reductase inhibitors.
D. Contracting the prostate gland is not a desired effect in BPH management.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. This is the correct answer. In cases of acute urinary retention, immediate relief is achieved through catheterization to drain the bladder and relieve the obstruction caused by the enlarged prostate.
B. Medications to reduce bladder spasms may be used as an adjunct to catheterization in managing urinary retention but are not the primary intervention for relieving the obstruction.
C. Invasive surgical intervention may be considered for persistent or severe cases of BPH, but it is not the initial step in managing acute urinary retention.
D. Increased fluid intake may be beneficial for overall bladder health but will not directly relieve the obstruction causing acute urinary retention.
Questions
Correct Answer is D
Explanation
A. Reduced urine output is not a contributing factor to recurrent UTIs. In BPH, the urinary flow is obstructed, leading to incomplete bladder emptying and residual urine in the bladder, which can increase the risk of UTIs.
B. Increased fluid intake is not directly related to the risk of recurrent UTIs in BPH.
C. Decreased prostate size is not associated with recurrent UTIs in BPH.
D. This is the correct answer. Residual urine in the bladder after voiding provides a breeding ground for bacteria, increasing the risk of UTIs. In BPH, the enlarged prostate obstructs the urethra, leading to incomplete bladder emptying and the presence of residual urine, which contributes to recurrent UTIs.
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