a patient with hyperthyroidism is prescribed propylthiouracil ptu what is the primary purpose of this medication
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1. A patient with hyperthyroidism is prescribed propylthiouracil (PTU). What is the primary purpose of this medication?

Correct answer: B

Rationale: Propylthiouracil (PTU) is a medication used to treat hyperthyroidism by suppressing the production of thyroid hormones. It works by inhibiting the enzyme responsible for the synthesis of thyroid hormones, thereby reducing their levels in the body. This helps to alleviate the symptoms of hyperthyroidism and restore thyroid hormone levels to normal range.

2. A client reports recent exposure to hepatitis A. What is a common mode of transmission for this virus?

Correct answer: B

Rationale: Hepatitis A is commonly transmitted through the fecal-oral route, often via ingestion of contaminated food or water. This mode of transmission is why proper hygiene, sanitation, and vaccination are essential in preventing the spread of hepatitis A.

3. The client with newly diagnosed osteoporosis is being taught by the nurse about dietary modifications. Which instruction should the nurse include?

Correct answer: A

Rationale: Increasing the intake of high-calcium foods is essential for improving bone density and managing osteoporosis. Calcium is a key mineral necessary for bone health, and individuals with osteoporosis often need higher levels of calcium to help strengthen their bones and prevent further bone loss. Therefore, advising the client to increase their intake of high-calcium foods is the most appropriate dietary modification to support their bone health.

4. Following a CVA, the nurse assesses that a client developed dysphagia, hypoactive bowel sounds, and a firm, distended abdomen. Which prescription for the client should the nurse question?

Correct answer: A

Rationale: In a client with dysphagia, hypoactive bowel sounds, and a firm, distended abdomen post-CVA, continuous tube feeding at 65 ml/hr via gastrostomy may exacerbate abdominal distension and hypoactive bowel sounds. This situation requires immediate assessment and reevaluation before continuing with the prescription.

5. A 70-year-old woman presents with fatigue, anorexia, and weight loss. She has noticed darkening of her skin, particularly in sun-exposed areas. Laboratory tests reveal hyponatremia, hyperkalemia, and low cortisol levels. What is the most likely diagnosis?

Correct answer: B

Rationale: The combination of symptoms such as fatigue, anorexia, weight loss, hyperpigmentation of the skin, along with hyponatremia, hyperkalemia, and low cortisol levels, points towards Addison's disease. This condition is characterized by adrenal insufficiency, leading to a deficiency in cortisol and aldosterone production.

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