ATI RN
WGU Pathophysiology Final Exam
1. A client has been admitted to the hospital with symptoms of Guillain-Barré syndrome. Which aspect of the client's condition would require priority monitoring?
- A. Monitoring oxygen saturation levels
- B. Monitoring for signs of respiratory compromise
- C. Monitoring for changes in consciousness
- D. Monitoring blood pressure closely
Correct answer: B
Rationale: In Guillain-Barré syndrome, respiratory muscle weakness can lead to respiratory compromise, making it crucial to prioritize monitoring for signs of respiratory distress. Monitoring oxygen saturation levels is important but is secondary to assessing for respiratory compromise in this condition. Changes in consciousness and monitoring blood pressure closely are not typically the priority in Guillain-Barré syndrome.
2. A patient with a history of osteoporosis is prescribed raloxifene (Evista). What is the primary therapeutic effect of this medication?
- A. It stimulates the formation of new bone.
- B. It decreases bone resorption and increases bone density.
- C. It increases calcium absorption in the intestines.
- D. It increases the excretion of calcium through the kidneys.
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.
3. A patient is administered isoniazid (INH) for tuberculosis. Which of the following adverse effects will result in discontinuation of the medication?
- A. Weight gain
- B. Jaundice
- C. Fever
- D. Arthralgia
Correct answer: B
Rationale: The correct answer is B: Jaundice. Isoniazid (INH) is known to cause hepatotoxicity, which can manifest as jaundice. Jaundice is a serious adverse effect that warrants immediate discontinuation of the medication to prevent further liver damage. Weight gain, fever, and arthralgia are not typically associated with isoniazid use and would not necessitate discontinuation of the medication.
4. A patient is receiving epoetin alfa (Epogen) for anemia. Which of the following adjunctive therapies is imperative with epoetin alfa?
- A. Potassium supplements
- B. Sodium restriction
- C. Iron supplement
- D. Renal dialysis
Correct answer: C
Rationale: The correct answer is C: Iron supplement. When a patient is receiving epoetin alfa for anemia, it is imperative to provide iron supplementation as epoetin alfa works by stimulating the production of red blood cells, which require iron for hemoglobin synthesis. Therefore, iron supplementation is crucial to support the increased erythropoiesis. Choices A, B, and D are incorrect because potassium supplements, sodium restriction, and renal dialysis are not typically indicated as adjunctive therapies with epoetin alfa for anemia.
5. What important information should the nurse provide about the risks associated with tamoxifen (Nolvadex) for a patient with a history of breast cancer?
- A. Tamoxifen may increase the risk of venous thromboembolism.
- B. Tamoxifen may decrease the risk of osteoporosis.
- C. Tamoxifen may cause hot flashes and other menopausal symptoms.
- D. Tamoxifen may cause weight gain and fluid retention.
Correct answer: A
Rationale: The correct answer is A: Tamoxifen may increase the risk of venous thromboembolism. Patients on tamoxifen should be educated about the signs and symptoms of blood clots. Choices B, C, and D are incorrect. Tamoxifen does not decrease the risk of osteoporosis; it may cause hot flashes and other menopausal symptoms, and it may cause weight gain and fluid retention.
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