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 C
Explanation
A. "You will not become fatigued when you use assistive devices": This is incorrect as clients may still experience fatigue even with assistive devices, and energy conservation strategies should be discussed.
B. "Plan to hire a home care aide to perform all of your ADLs": This is not advisable as the goal is to encourage as much independence as possible; assistance should be provided based on need, not all tasks.
C. "Install grab bars in your shower to assist with your balance": This is correct as installing grab bars can enhance safety and support the client’s balance, helping to prevent falls and injuries.
D. "Place a towel in the shower to prevent slipping": This is not as effective as grab bars and may not provide adequate support or prevent slips as well as proper bathroom modifications.
Correct Answer is A
Explanation
A. Leaning forward: This is correct as the client should be in a sitting position with arms resting on a table or a support to allow the lungs to expand and make the pleural space more accessible for the procedure.
B. Prone: This is incorrect because the prone position would not provide the necessary access to the pleural space and would be uncomfortable for the procedure.
C. Lithotomy: This is incorrect as the lithotomy position is used for gynecological procedures, not for thoracentesis.
D. Knees elevated: This is incorrect because elevating the knees is not a suitable position for thoracentesis and does not facilitate access to the pleural space.
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