A nurse in a provider’s office is talking with a patient who takes oxybutynin. The patient asks why he does not urinate as often.
Which of the following information should the nurse include about the action of oxybutynin?
The medication prevents the bladder muscles from involuntarily contracting.
The medication blocks the nervous system impulse to produce urine.
The medication reduces the rate at which the kidneys filter waste.
The medication decreases the sensitivity of the urethral sphincter.
The Correct Answer is A
Choice A rationale
Oxybutynin works by relaxing the muscles in the bladder. This helps decrease muscle spasms and improve the ability to control urination, thereby reducing the frequency of urination.
Therefore, this choice is correct.
Choice B rationale
Oxybutynin does not block the nervous system impulse to produce urine. It works primarily by relaxing the bladder muscles. Therefore, this choice is incorrect.
Choice C rationale
Oxybutynin does not reduce the rate at which the kidneys filter waste. Its primary action is on the bladder muscles. Therefore, this choice is incorrect.
Choice D rationale
Oxybutynin does not decrease the sensitivity of the urethral sphincter. Its main effect is to relax the bladder muscles. Therefore, this choice is incorrect.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Glaucoma is a contraindication for taking propranolol. Propranolol is a non-selective beta- blocker that can decrease intraocular pressure, which could worsen glaucoma.
Choice B rationale
DeBou syndrome is not a recognized medical condition and therefore cannot be a contraindication for taking propranolol.
Choice C rationale
Migraine headaches are not a contraindication for taking propranolol. In fact, propranolol is often used in the prevention of migraines.
Choice D rationale
A history of kidney stones is not a contraindication for taking propranolol. Propranolol does not affect kidney stone formation or exacerbate this condition.
Correct Answer is A
Explanation
Choice A rationale
Limiting sodium intake to no more than 2,000 milligrams per day is a recommended strategy to prevent hypertension. Excessive sodium intake can increase blood pressure by causing the body to retain fluid, which increases the volume of blood and subsequently, blood pressure.
Choice B rationale
While regular exercise is beneficial for overall health, the statement “I should exercise for 30 minutes three times per week” may not be sufficient for hypertension prevention. The American Heart Association recommends at least 150 minutes per week of moderate-intensity aerobic activity or 75 minutes per week of vigorous aerobic activity, or a combination of both, preferably spread throughout the week.
Choice C rationale
Eating fish once per week is not a specific recommendation for preventing hypertension. While fish can be a good source of lean protein and omega-3 fatty acids, it does not directly relate to blood pressure control.
Choice D rationale
The statement “With a BMI of 30, I should maintain my current weight” is incorrect. A BMI of 30 falls into the category of obesity, which is a risk factor for hypertension. Weight loss is recommended for hypertension prevention and control in overweight and obese individuals.
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