ATI RN
ATI Pathophysiology
1. What important point should the nurse emphasize about taking oral contraceptives consistently?
- A. Oral contraceptives must be taken at the same time each day to maintain consistent hormone levels and ensure effectiveness in preventing pregnancy.
- B. Oral contraceptives should be taken in the morning to avoid side effects at night.
- C. Oral contraceptives should be taken with food to enhance absorption.
- D. Oral contraceptives can be skipped occasionally without significant consequences.
Correct answer: A
Rationale: The correct answer is A. It is crucial for patients taking oral contraceptives to take them at the same time each day to maintain consistent hormone levels, which is essential for their effectiveness in preventing pregnancy. Choice B is incorrect as the timing of the medication is more about consistency than avoiding side effects at night. Choice C is incorrect as oral contraceptives do not necessarily need to be taken with food for absorption. Choice D is incorrect because skipping oral contraceptives occasionally can significantly reduce their effectiveness in preventing pregnancy.
2. A patient is starting on 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 a full glass of water and remain upright for at least 30 minutes.
- B. Take the medication with milk to enhance calcium absorption.
- C. Take the medication at bedtime to ensure absorption during sleep.
- D. Take the medication with food to prevent nausea.
Correct answer: A
Rationale: The correct answer is A. Alendronate should be taken with a full glass of water, and patients should remain upright for at least 30 minutes to prevent esophageal irritation and ensure proper absorption. Taking the medication with milk (choice B) is not recommended as it may interfere with alendronate absorption. Taking it at bedtime (choice C) is not necessary and may increase the risk of esophageal irritation. Taking the medication with food (choice D) can reduce its absorption and effectiveness.
3. What causes atherosclerotic plaques to form initially?
- A. Interruption of blood flow to the brain
- B. Injury to the coronary artery endothelium
- C. Administration of statin medications
- D. Poor dietary modifications
Correct answer: B
Rationale: Atherosclerotic plaques form initially due to injury to the coronary artery endothelium, which triggers a cascade of events leading to plaque buildup. Choice A is incorrect because atherosclerotic plaques do not form due to an interruption of blood flow to the brain. Choice C is incorrect as statin medications are actually used to help lower cholesterol and reduce the risk of plaque formation. Choice D is incorrect as poor dietary modifications can contribute to atherosclerosis but are not the initial cause of plaque formation.
4. What are the major mechanisms of spinal cord injuries?
- A. Hypoextension, expansion, hyperflexion
- B. Hyperflexion, expansion, hypometabolism
- C. Hypermetabolism, compression, hyperextension
- D. Hyperextension, hyperflexion, compression
Correct answer: D
Rationale: The correct answer is D. Spinal cord injuries commonly occur due to hyperextension, hyperflexion, and compression. Hyperextension and hyperflexion refer to the excessive bending or stretching of the spinal cord, while compression is the exertion of pressure on the spinal cord. These mechanisms can lead to damage such as contusions, lacerations, and compression of the spinal cord. Choices A, B, and C are incorrect as they do not accurately represent the major mechanisms of spinal cord injuries.
5. A nurse caring for a patient with a diagnosis of lung cancer is aware that the primary risk factor for developing lung cancer is:
- A. Alcohol consumption
- B. Smoking
- C. Poor diet
- D. Environmental exposure
Correct answer: B
Rationale: The correct answer is B: Smoking. Smoking is the primary risk factor for developing lung cancer. Tobacco smoke contains numerous carcinogens that can damage the cells in the lungs, leading to the development of cancer. Alcohol consumption (Choice A), poor diet (Choice C), and environmental exposure (Choice D) can contribute to overall health risks, but they are not the primary risk factors specifically associated with the development of lung cancer.
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