A nurse in a provider's office is talking with a client who takes oxybutynin. The client asks why he does not urinate as often. Which of the following information should the nurse include about the action of oxybutynin?
The medication reduces the rate at which the kidneys filter waste.
The medication decreases the sensitivity of the urethral sphincter.
The medication prevents the bladder muscles from involuntarily contracting.
The medication blocks the nervous system impulse to produce urine.
The Correct Answer is C
A. The medication reduces the rate at which the kidneys filter waste: This is incorrect as oxybutynin does not affect kidney function or the rate at which kidneys filter waste.
B. The medication decreases the sensitivity of the urethral sphincter: This is incorrect because oxybutynin primarily affects bladder muscle contraction, not the sensitivity of the urethral sphincter.
C. The medication prevents the bladder muscles from involuntarily contracting: This is correct as oxybutynin is an anticholinergic medication that reduces involuntary bladder contractions, leading to less frequent urination.
D. The medication blocks the nervous system impulse to produce urine: This is incorrect because oxybutynin works by blocking the action of acetylcholine in the bladder, not by blocking impulses to produce urine.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. "I should use my wrist to test the temperature of the water before bathing": This is correct as using the wrist to test water temperature helps prevent burns or injuries, which is crucial for individuals with diabetes who may have reduced sensation in their feet.
B. "I should put lotion between my toes every day to prevent dryness and cracking": This is incorrect because applying lotion between the toes can promote fungal infections. Lotion should be applied to the tops and soles of the feet, avoiding the spaces between the toes.
C. "I should apply a heating pad to my feet every night to help with circulation": This is incorrect as heating pads can cause burns due to decreased sensation. It is safer to avoid direct heat applications.
D. "I should round the corners of my toenails with a nail file to prevent ingrown nails": This is incorrect; toenails should be trimmed straight across to prevent ingrown nails rather than rounded.
Correct Answer is C
Explanation
A. Duodenal ulcer: This is not a known risk factor for colorectal cancer. It primarily affects the duodenum, not the colon.
B. Biliary colic: This condition relates to gallbladder issues and is not associated with an increased risk of colorectal cancer.
C. Ulcerative colitis: This is correct as ulcerative colitis is a chronic inflammatory condition that increases the risk of colorectal cancer due to prolonged inflammation and irritation of the colon.
D. Chronic constipation: While chronic constipation may cause discomfort, it is not a direct risk factor for colorectal cancer. However, it is important to manage bowel habits to reduce overall gastrointestinal discomfort.
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