a patient with a history of osteoporosis is prescribed raloxifene evista what is the primary therapeutic effect of this medication
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ATI RN

ATI Pathophysiology Final Exam

1. A patient with a history of osteoporosis is prescribed raloxifene (Evista). What is the primary therapeutic effect of this medication?

Correct answer: B

Rationale: The correct answer is B. Raloxifene, such as Evista, works by decreasing bone resorption and increasing bone density. This medication is beneficial in the prevention and treatment of osteoporosis by slowing down the breakdown of bone tissue, thereby reducing the risk of fractures. Choices A, C, and D are incorrect because raloxifene does not directly stimulate the formation of new bone, increase calcium absorption in the intestines, or increase the excretion of calcium through the kidneys.

2. A 57-year-old male presents to his primary care provider with a red face, hands, feet, ears, headache, and drowsiness. A blood smear reveals an increased number of erythrocytes, indicating:

Correct answer: D

Rationale: In this case, the symptoms of a red face, hands, feet, ears, headache, and drowsiness along with an increased number of erythrocytes in the blood smear are indicative of polycythemia vera. This condition is characterized by the overproduction of red blood cells, leading to symptoms related to increased blood volume and viscosity. Leukemia (Choice A) is a cancer of the blood and bone marrow, but the presentation described here is more suggestive of polycythemia vera. Sideroblastic anemia (Choice B) is characterized by abnormal iron deposits in erythroblasts, not an increased number of erythrocytes. Hemosiderosis (Choice C) refers to abnormal accumulation of iron in the body, not an increase in red blood cells as seen in polycythemia vera.

3. The parents of a 4-year-old girl have sought care because their daughter has admitted to chewing and swallowing imported toy figurines that have been determined to be made of lead. Which of the following blood tests should the care team prioritize?

Correct answer: B

Rationale: The correct answer is B: Red blood cell levels and morphology. Lead poisoning primarily affects red blood cells, causing anemia. Therefore, the priority test would be to assess red blood cell levels and morphology. Choice A (White blood cell levels with differential) is incorrect as lead poisoning does not primarily affect white blood cells. Choice C (Urea and creatinine levels) is unrelated to lead poisoning and not a priority in this scenario. Choice D (Liver function panel) is also not the priority as lead poisoning's primary impact is on the red blood cells, not the liver.

4. Abrupt withdrawal or discontinuation of prednisone can cause:

Correct answer: A

Rationale: The correct answer is A: adrenal crisis. Abrupt discontinuation of prednisone can lead to adrenal insufficiency, resulting in adrenal crisis. Prednisone is a corticosteroid that suppresses the adrenal glands' ability to produce cortisol. Abrupt withdrawal can cause a sudden drop in cortisol levels, leading to adrenal crisis with symptoms like fatigue, weakness, abdominal pain, and potentially life-threatening low blood pressure. Choices B, C, and D are incorrect because hypercortisolism refers to excess cortisol levels, ACTH stimulation would not result from prednisone withdrawal, and thyroid crisis is not directly related to corticosteroid discontinuation.

5. A 52-year-old has made an appointment with his primary care provider and has reluctantly admitted that his primary health concern is erectile dysfunction (ED). He describes the problem as increasing in severity and consequent distress. Which of the nurse's assessment questions is most likely to address a common cause of ED?

Correct answer: B

Rationale: In the context of erectile dysfunction (ED), medication use is a crucial factor to consider. Many medications, including those used for high blood pressure, can contribute to ED as a side effect. Asking about medication use, particularly for conditions like high blood pressure, can help identify a common cause of ED. Choices A, C, and D do not directly address potential causes related to medication use, making them less likely to reveal a common underlying issue for ED in this case.

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