a 22 year old female college student is shocked to receive a diagnosis of myasthenia gravis what are the etiology and most likely treatment for her he
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Nursing Elites

ATI RN

Final Exam Pathophysiology

1. What is the etiology and most likely treatment for myasthenia gravis in a 22-year-old female college student?

Correct answer: B

Rationale: Myasthenia gravis is characterized by a decline in functioning acetylcholine receptors rather than autoimmune destruction of skeletal muscle cells (Choice A), cerebellar lesions (Choice C), or excess acetylcholinesterase production (Choice D). The most likely treatment for myasthenia gravis involves corticosteroids to reduce inflammation and intravenous immunoglobulins to block the antibodies attacking acetylcholine receptors. Intensive physical therapy and anabolic steroids are not primary treatments for myasthenia gravis.

2. A patient is starting on alendronate (Fosamax) for osteoporosis. What instructions should the nurse provide to ensure the effectiveness of the medication?

Correct answer: A

Rationale: The correct answer is to take alendronate with a full glass of water and remain upright for at least 30 minutes. This is essential to prevent esophageal irritation and ensure proper absorption. Choice B is incorrect because taking alendronate at bedtime can increase the risk of esophageal irritation due to lying down. Choice C is incorrect as taking alendronate with milk can reduce its absorption. Choice D is incorrect because alendronate should be taken on an empty stomach to enhance its effectiveness.

3. A patient with breast cancer is prescribed tamoxifen (Nolvadex). What key point should the nurse include in the patient education?

Correct answer: A

Rationale: The correct answer is A: "Tamoxifen may increase the risk of venous thromboembolism." It is crucial for patients to be aware of the signs and symptoms of blood clots while taking tamoxifen. Choice B is incorrect because hot flashes and menopausal symptoms are common side effects of tamoxifen, but they are not the key point to emphasize. Choice C is incorrect as weight gain and fluid retention are potential side effects of tamoxifen but not the key point for patient education. Choice D is incorrect as tamoxifen does not decrease the risk of osteoporosis; in fact, it may increase the risk of bone loss.

4. Which of the following disturbances would cause a client to experience gout?

Correct answer: B

Rationale: Gout is caused by a disturbance in uric acid metabolism, leading to the accumulation of uric acid crystals in joints. Serotonin receptors (Choice A) are not related to gout. Liver function (Choice C) is important for metabolism but is not directly linked to gout development. Cardiac function (Choice D) is primarily related to the heart's functioning and not associated with gout.

5. A patient is prescribed tadalafil (Cialis) for erectile dysfunction. What critical contraindication should the nurse discuss with the patient?

Correct answer: A

Rationale: The correct answer is A: Use of nitrates. Tadalafil (Cialis) is contraindicated in patients taking nitrates due to the risk of severe hypotension. Nitrates potentiate the hypotensive effects of tadalafil, leading to a potentially life-threatening drop in blood pressure. Choices B, C, and D are incorrect because antihypertensive medications, history of hypertension, and history of peptic ulcer disease are not critical contraindications for tadalafil use. While caution may be needed in patients with certain conditions, the highest priority is addressing the interaction with nitrates.

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