A 60-year-old male presents to his primary care provider reporting chest pain. He is diagnosed with atherosclerosis. This disease results in:
Abnormally dilated arteries and veins
Arterial wall thinning and weakening
Autonomic nervous system imbalances
Abnormal thickening and hardening of vessel walls
The Correct Answer is D
Choice A reason: Abnormally dilated arteries and veins are not a result of atherosclerosis. They are a sign of aneurysms or varicose veins, which are caused by different factors.
Choice B reason: Arterial wall thinning and weakening are not a result of atherosclerosis. They are a sign of arteriosclerosis, which is a general term for the loss of elasticity and flexibility of the arteries.
Choice C reason: Autonomic nervous system imbalances are not a result of atherosclerosis. They are a sign of dysautonomia, which is a disorder of the nervous system that affects the regulation of vital functions.
Choice D reason: Abnormal thickening and hardening of vessel walls are a result of atherosclerosis. They are caused by the accumulation of plaque, which is composed of cholesterol, fatty substances, calcium, and other materials.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Lipid-laden mast cells are not foam cells. Mast cells are immune cells that release histamine and other inflammatory mediators. They do not accumulate lipids or have a soap-like texture.
Choice B reason: Macrophages that engulf low-density lipoproteins (LDLs) are foam cells. They are part of the atherosclerotic process that leads to plaque formation in the blood vessels. They are called foam cells because they have a foamy appearance under the microscope.
Choice C reason: Injured neutrophil clots are not foam cells. Neutrophils are immune cells that fight infection and form pus. They do not engulf LDLs or contribute to atherosclerosis.
Choice D reason: Deposited adipose cells are not foam cells. Adipose cells are fat cells that store energy and secrete hormones. They do not phagocytose LDLs or form plaques in the blood vessels.
Correct Answer is A
Explanation
Choice A reason: This is the correct instruction by the nurse. Nausea and vomiting are signs of digoxin toxicity, which can be life-threatening. The patient should report these symptoms to their health care provider as soon as possible and have their digoxin level checked.
Choice B reason: This is not a correct instruction by the nurse. Auditory hallucinations are not common adverse effects of digoxin. They are more likely to occur with other drugs, such as antipsychotics or opioids.
Choice C reason: This is not a correct instruction by the nurse. Decreasing the amount of high-potassium foods can increase the risk of digoxin toxicity, as potassium competes with digoxin for binding sites on the cardiac cells. The patient should maintain a normal potassium intake and avoid sudden changes in their diet.
Choice D reason: This is not a correct instruction by the nurse. Omitting the dose of digoxin if the pulse is 70 can lead to underdosing and ineffective treatment of heart failure. The patient should only omit the dose of digoxin if their pulse is below 60, as this indicates bradycardia, which is another sign of digoxin toxicity.
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