ATI RN
ATI Pathophysiology Exam 1
1. A 75-year-old male presents with chest pain on exertion. The chest pain is most likely due to hypoxic injury secondary to:
- A. Malnutrition
- B. Free radicals
- C. Ischemia
- D. Chemical toxicity
Correct answer: C
Rationale: The correct answer is C: Ischemia. In this scenario, the 75-year-old male experiences chest pain on exertion, which is indicative of angina. Angina is primarily caused by reduced blood flow to the heart muscle, leading to hypoxic injury. This condition is known as ischemia. Options A, B, and D are incorrect. Malnutrition does not typically cause chest pain related to exertion. Free radicals and chemical toxicity are not common causes of chest pain in the context described. Therefore, the most likely cause of chest pain in this case is ischemia due to reduced blood flow.
2. When educating a patient starting on oral contraceptives, what should the nurse include regarding the medication's effectiveness?
- A. Oral contraceptives are 100% effective when taken correctly.
- B. Oral contraceptives are effective immediately after starting.
- C. Oral contraceptives are less effective if taken with antibiotics.
- D. Oral contraceptives are less effective if taken with food.
Correct answer: C
Rationale: The correct answer is C. Oral contraceptives can be less effective when taken with certain antibiotics as they may interfere with the contraceptive's efficacy, potentially leading to decreased effectiveness. Therefore, patients should be advised to use additional contraception methods if they are also taking antibiotics. Choice A is incorrect because while oral contraceptives are highly effective, they are not 100% foolproof. Choice B is incorrect as oral contraceptives may take some time to reach their full effectiveness after starting. Choice D is incorrect since taking oral contraceptives with food does not necessarily impact their effectiveness.
3. A client with a pneumothorax is receiving oxygen therapy. Which assessment finding would indicate that the treatment is effective?
- A. Increased respiratory rate
- B. Decreased oxygen saturation levels
- C. Improved breath sounds on the affected side
- D. Increased dyspnea and chest pain
Correct answer: C
Rationale: In a client with a pneumothorax receiving oxygen therapy, improved breath sounds on the affected side would indicate effective treatment. This finding suggests that the collapsed lung is re-expanding, allowing air to flow more freely in and out of the affected area. Choices A, B, and D are incorrect: Increased respiratory rate, decreased oxygen saturation levels, and increased dyspnea and chest pain are signs of ineffective treatment or worsening of the condition in a client with a pneumothorax.
4. A patient is starting on medroxyprogesterone acetate (Provera) for endometriosis. What should the nurse include in the patient teaching?
- A. Take the medication with food to prevent nausea.
- B. Take the medication at the same time each day to maintain consistent hormone levels.
- C. Avoid prolonged sun exposure while taking this medication.
- D. Discontinue the medication if side effects occur.
Correct answer: B
Rationale: The correct answer is B. Patients starting on medroxyprogesterone acetate (Provera) for endometriosis should be instructed to take the medication at the same time each day to maintain consistent hormone levels and effectiveness. Choice A is incorrect because medroxyprogesterone acetate can be taken with or without food. Choice C is unrelated to the medication and not a specific concern with its use. Choice D is incorrect as patients should not discontinue the medication without consulting their healthcare provider, even if side effects occur.
5. A patient is taking alendronate (Fosamax) for the treatment of osteoporosis. What instructions should the nurse provide to ensure the effectiveness of the medication?
- A. Take the medication with food to avoid gastrointestinal upset.
- B. Take the medication in the morning with a full glass of water and remain upright for at least 30 minutes.
- C. Take the medication before bed to ensure absorption during sleep.
- D. Take the medication with milk to enhance calcium absorption.
Correct answer: B
Rationale: The correct answer is B. Alendronate should be taken in the morning with a full glass of water and the patient should remain upright for at least 30 minutes. This is important to prevent esophageal irritation and ensure proper absorption of the medication. Choice A is incorrect because alendronate should not be taken with food as it can decrease its absorption. Choice C is incorrect as taking the medication before bed increases the risk of esophageal irritation and reduces absorption due to lying down. Choice D is also incorrect because taking alendronate with milk or other calcium-rich foods can decrease its absorption.
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