Thinking about aneurysms and atherosclerosis, what effect does atherosclerosis have on the development of an aneurysm?

Atherosclerosis causes ischemia of the intima

Atherosclerosis erodes the vessel wall

It increases nitric oxide

It obstructs the vessel

Answer and Explanation

The Correct Answer is B

A. Atherosclerosis causes ischemia of the intima: While atherosclerosis can affect the intima (the inner layer of the blood vessel), it primarily leads to plaque formation and vessel wall changes rather than causing ischemia directly in the intima. Ischemia typically refers to reduced blood supply to tissues.

B. Atherosclerosis erodes the vessel wall: Atherosclerosis leads to the formation of plaques that can erode and weaken the vessel wall over time. This weakening can create areas of localized dilation, leading to the development of aneurysms. The disruption of the structural integrity of the vessel wall due to atherosclerosis is a key factor in the formation of aneurysms.

C. It increases nitric oxide: Atherosclerosis is associated with impaired endothelial function, which typically results in reduced production of nitric oxide rather than an increase. Nitric oxide is a vasodilator that helps maintain vascular health, and its decrease contributes to vascular dysfunction.

D. It obstructs the vessel: While atherosclerosis can lead to vascular obstruction through plaque buildup, the direct relationship between atherosclerosis and aneurysm formation is more about the weakening and erosion of the vessel wall rather than simply obstructing it. Obstruction can lead to ischemia, but it is not the primary mechanism leading to aneurysm development.

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Correct Answer is C

Explanation

A. Atherosclerotic lesion: An atherosclerotic lesion can lead to reduced blood flow to the myocardium, but it is not the direct trigger for angina pectoris. Rather, it is a contributing factor to the development of conditions that cause angina.

B. Myocardial necrosis: Myocardial necrosis refers to irreversible cell damage due to prolonged ischemia, such as in a myocardial infarction. This is not a trigger for angina pectoris but rather a consequence of severe and prolonged ischemia.

C. Myocardial ischemia: Myocardial ischemia is the primary trigger for angina pectoris. It occurs when there is an imbalance between the oxygen supply and demand in the heart muscle, typically due to narrowed coronary arteries. This insufficient blood flow results in chest pain or discomfort characteristic of angina.

D. Hyperlipidemia: Hyperlipidemia is a risk factor for atherosclerosis and subsequent coronary artery disease but does not directly trigger angina pectoris. It contributes to the underlying processes that lead to myocardial ischemia.

A. Fever B. Mild chest pain C. No evidence of fatigue D. Myalgias E. Pericardial friction rub F. Radiating substernal pain felt in the left shoulder

Correct Answer is ["C","F"]

Explanation

A. Fever: Fever is a common sign of pericarditis, often indicating inflammation or infection in the pericardial sac. This symptom is typical in patients with this condition.

B. Mild chest pain: Mild chest pain is a typical symptom of pericarditis. Patients often experience sharp, pleuritic chest pain that may worsen with inspiration or coughing.

C. No evidence of fatigue: Fatigue can be a common symptom in patients with pericarditis due to the body's response to inflammation. Therefore, the absence of fatigue is not typical, making this an appropriate choice.

D. Myalgias: Myalgias or muscle aches can occur in pericarditis as part of the systemic inflammatory response. This symptom is not unusual in patients with this condition.

E. Pericardial friction rub: A pericardial friction rub is a characteristic finding in pericarditis, heard during auscultation. It results from the movement of inflamed pericardial layers against each other.

F. Radiating substernal pain felt in the left shoulder: This type of radiating pain is more characteristic of myocardial ischemia or angina rather than pericarditis. While pericarditis can cause chest pain, it does not typically radiate in the same manner as that seen in cardiac conditions, making this an appropriate choice.

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Thinking about aneurysms and atherosclerosis, what effect does atherosclerosis have on the development of an aneurysm?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

What is the trigger for angina pectoris?

Correct Answer is C

Explanation

Which of the following are NOT typical signs and symptoms of pericarditis? (Select-all-that-apply) (Select All that Apply.)

Correct Answer is ["C","F"]

Explanation

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