What is the trigger for angina pectoris?

Atherosclerotic lesion

Myocardial necrosis

Myocardial ischemia

Hyperlipidemia

Answer and Explanation

The Correct Answer is C

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.

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Correct Answer is D

Explanation

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.

A. Increase peripheral resistance B. Decrease in cardiac output C. Both increased cardiac output and peripheral resistance D. Increased cardiac output

Correct Answer is B

Explanation

A. Increase peripheral resistance: An increase in peripheral resistance contributes to hypertension by raising the pressure in the arteries. This condition often results from vasoconstriction or structural changes in the blood vessels, leading to higher overall blood pressure.

B. Decrease in cardiac output: A decrease in cardiac output typically does not cause hypertension. In fact, low cardiac output may lead to hypotension (low blood pressure) since there is less blood being pumped into the circulatory system. This option is the exception when discussing physiological causes of hypertension.

C. Both increased cardiac output and peripheral resistance: Both increased cardiac output and peripheral resistance can lead to hypertension. An increase in either factor can elevate blood pressure, and their combined effect can significantly contribute to the development of hypertension.

D. Increased cardiac output: Increased cardiac output raises blood pressure by delivering more blood to the arteries with each heartbeat. This can occur due to various factors such as increased fluid volume, increased heart rate, or heightened contractility of the heart.

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What is the trigger for angina pectoris?

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Naxlex Comprehensive Predictor Exams

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

Correct Answer is D

Explanation

When talking about hypertension, we know that it can physiologically be caused by all of the following except

Correct Answer is B

Explanation

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