ATI RN
Final Exam Pathophysiology
1. A patient has been prescribed sildenafil (Viagra) for erectile dysfunction. What important information should the healthcare provider provide?
- A. This medication can cause sudden hearing loss.
- B. This medication should not be taken more than once a day.
- C. You should avoid taking this medication with high-fat meals.
- D. Avoid taking nitrates while on this medication.
Correct answer: D
Rationale: The correct answer is D. Sildenafil (Viagra) should not be taken with nitrates due to the risk of severe hypotension. Nitrates can potentiate the hypotensive effects of sildenafil, leading to a dangerous drop in blood pressure. Choice A is incorrect because sudden hearing loss is a rare but serious side effect associated with sildenafil, not a common side effect. Choice B is not the most important information related to sildenafil use. While it is generally recommended not to exceed one dose per day, the interaction with nitrates is more critical. Choice C is also important to consider as high-fat meals can delay the onset of action of sildenafil, but it is not as crucial as avoiding nitrates.
2. What should the nurse discuss with a patient with a history of cardiovascular disease regarding the risks of hormone replacement therapy (HRT)?
- A. HRT may increase the risk of cardiovascular events, including heart attack and stroke.
- B. HRT may decrease the risk of osteoporosis.
- C. HRT may improve mood and energy levels.
- D. HRT may decrease the risk of breast cancer.
Correct answer: A
Rationale: The correct answer is A. Hormone replacement therapy (HRT) is associated with an increased risk of cardiovascular events, including heart attack and stroke, especially in patients with a history of cardiovascular disease. Choice B is incorrect because HRT is not typically used to decrease the risk of osteoporosis. Choice C is incorrect as mood and energy level improvements are not the primary risks associated with HRT. Choice D is incorrect because HRT may actually increase the risk of breast cancer in some individuals.
3. When starting on oral contraceptives, what important information should the nurse provide regarding the timing of the medication?
- A. Oral contraceptives must be taken at the same time each day to maintain consistent hormone levels and ensure effectiveness in preventing pregnancy.
- B. Oral contraceptives can be taken at any time of day as long as the schedule is consistent.
- C. Oral contraceptives should be taken with food to enhance absorption.
- D. Oral contraceptives can be skipped occasionally without significant consequences.
Correct answer: A
Rationale: When starting on oral contraceptives, it is crucial to take them at the same time each day to maintain consistent hormone levels and ensure effectiveness in preventing pregnancy. Choice B is incorrect because consistency in timing is essential for optimal efficacy. Choice C is inaccurate as oral contraceptives do not need to be taken with food for absorption. Choice D is incorrect because missing doses or skipping oral contraceptives can reduce their effectiveness in preventing pregnancy.
4. A patient is taking testosterone for hypogonadism. What adverse effect should the nurse monitor for during this therapy?
- A. Increased risk of liver dysfunction
- B. Increased risk of cardiovascular events
- C. Increased risk of prostate cancer
- D. Increased risk of bone fractures
Correct answer: B
Rationale: The correct adverse effect to monitor for when a patient is taking testosterone for hypogonadism is an increased risk of cardiovascular events. Testosterone therapy has been associated with an elevated risk of cardiovascular events such as heart attack and stroke, especially in older patients. Monitoring cardiovascular health is crucial during testosterone therapy. The other choices are incorrect because testosterone therapy is not primarily linked to liver dysfunction (choice A), prostate cancer (choice C), or bone fractures (choice D).
5. A 45-year-old diabetic male is experiencing erectile dysfunction. If his erectile dysfunction is caused by the nervous system, then the nurse can educate the client that the venous blood supply to the penis is controlled by:
- A. Sympathetic nerves.
- B. Parasympathetic nerves.
- C. Somatic nerves.
- D. Spinal reflexes.
Correct answer: B
Rationale: Erectile function is primarily controlled by the parasympathetic nervous system, which facilitates the dilation of blood vessels in the penis. The parasympathetic nerves are responsible for vasodilation in the penis, allowing blood to enter and creating an erection. Sympathetic nerves, on the other hand, are responsible for ejaculation by causing contraction of the muscles around the vas deferens. Somatic nerves are involved in sensation and movement, not specifically in controlling blood supply to the penis. Spinal reflexes can play a role in the erectile process, but they are not directly responsible for controlling the venous blood supply.
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