You can recognize Peripheral Artery Disease (PAD) based on which symptoms?

Shortness of breath and need for oxygen supplementation

Tachycardia and hypotension

Decreased alertness and slurred speech

Diminished pulses and pain with walking or exercise

Answer and Explanation

The Correct Answer is D

A. Shortness of breath and need for oxygen supplementation: These symptoms are more indicative of respiratory or cardiac conditions rather than Peripheral Artery Disease (PAD). While patients with PAD may experience discomfort during exertion, shortness of breath is not a primary symptom associated with PAD.

B. Tachycardia and hypotension: Tachycardia and hypotension are generally signs of acute distress, shock, or severe cardiovascular issues. These symptoms do not specifically indicate PAD, which is characterized by issues related to blood flow in the peripheral arteries.

C. Decreased alertness and slurred speech: These symptoms suggest possible neurological issues, such as a stroke or transient ischemic attack, rather than PAD. PAD primarily affects blood flow to the extremities and does not typically present with neurological symptoms.

D. Diminished pulses and pain with walking or exercise: Diminished pulses in the legs and claudication, or pain with walking or exercise, are classic symptoms of Peripheral Artery Disease. These symptoms occur due to reduced blood flow to the muscles in the legs, particularly during physical activity, and are indicative of arterial blockages.

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Correct Answer is B

Explanation

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.

A. Myocardial ischemia B. Right ventricular failure C. Left ventricular hypertrophy D. Contractile dysfunction

Correct Answer is A

Explanation

A. Myocardial ischemia: Myocardial ischemia contributes to ventricular remodeling by causing damage to the heart muscle, leading to changes in the size, shape, and function of the ventricles. The process involves cellular and molecular alterations in response to ischemic injury, ultimately resulting in adverse remodeling that can exacerbate heart failure.

B. Right ventricular failure: Right ventricular failure may occur as a consequence of other cardiac conditions but is not a direct contributor to ventricular remodeling. Instead, it is often a result of left-sided heart failure or pulmonary hypertension, making it secondary to the primary pathologic changes.

C. Left ventricular hypertrophy: Left ventricular hypertrophy can occur as a response to chronic pressure overload (such as hypertension) but is a result of ventricular remodeling rather than a direct contributor to the remodeling process itself. It may indicate underlying issues rather than cause them.

D. Contractile dysfunction: Contractile dysfunction reflects impaired heart muscle contraction but does not directly cause ventricular remodeling. While it can be a consequence of remodeling due to conditions like ischemia or heart failure, it does not initiate the remodeling process itself.

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You can recognize Peripheral Artery Disease (PAD) based on which symptoms?

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Naxlex Comprehensive Predictor Exams

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

Correct Answer is B

Explanation

What cardiac pathologic condition contributes to ventricular remodeling?

Correct Answer is A

Explanation

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