(1 point). Solved.
Listen.
A nurse is describing the pathophysiology of acute coronary syndromes.
Which information should the nurse include? The most important component in the development of acute coronary syndromes is a decrease in supply or an increase in demand for:.

Sodium.

Glucose.

Myoglobin.

Oxygen.

Answer and Explanation

The Correct Answer is D

Choice A rationale:

Decreases in the supply or an increase in demand for sodium are not the primary components in the development of acute coronary syndromes. Acute coronary syndromes primarily involve the blood supply to the heart muscle, and sodium levels are not directly related to this condition.

Choice B rationale:

Glucose levels do not play a central role in the development of acute coronary syndromes. While glucose metabolism is important for the heart's energy needs, acute coronary syndromes are primarily related to changes in blood flow and oxygen supply to the heart.

Choice C rationale:

Myoglobin is not the most important component in the development of acute coronary syndromes. Myoglobin is a protein found in muscle tissue, including the heart, but its release into the bloodstream is not specific to acute coronary syndromes. It can be elevated in various conditions, including muscle injury.

Choice D rationale:

The most important component in the development of acute coronary syndromes is a decrease in the supply or an increase in demand for oxygen. Acute coronary syndromes, such as myocardial infarction (heart attack), are typically caused by a disruption in the blood supply to the heart muscle, leading to ischemia and, ultimately, tissue damage. This results in an increased demand for oxygen while the supply is compromised, which can lead to chest pain, tissue injury, and potentially life-threatening consequences. .

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Correct Answer is A

Explanation

Choice A rationale:

Silent ischemia is a condition in which a patient experiences myocardial ischemia (lack of blood flow to the heart muscle) without typical symptoms like chest pain. This is why the patient with silent ischemia typically does not report chest pain. Instead, they may have atypical symptoms or remain asymptomatic. The absence of chest pain is a key characteristic of silent ischemia.

Choice B rationale:

Intermittent claudication is not associated with silent ischemia. It is a symptom typically related to peripheral arterial disease (PAD), where reduced blood flow to the extremities causes pain during physical activity. Silent ischemia, on the other hand, primarily involves the heart and is not characterized by intermittent claudication.

Choice C rationale:

Excessive bleeding is not a typical symptom of silent ischemia. Silent ischemia is primarily related to inadequate blood flow to the heart muscle, leading to myocardial ischemia, but it does not cause bleeding. This choice is unrelated to the condition in question.

Choice D rationale:

Fever is not a typical symptom of silent ischemia. This choice is unrelated to the condition, as silent ischemia primarily involves the heart and is not associated with fever.

A. Sodium. B. Lactic acid. C. Glycogen. D. Angiotensin I. .

Correct Answer is D

Explanation

Choice A rationale:

Sodium is not the substance that mediates arteriolar remodeling in hypertension. While sodium intake can influence blood pressure, it is not the primary mediator of arteriolar remodeling.

Choice B rationale:

Lactic acid is not the substance that mediates arteriolar remodeling in hypertension. Lactic acid is produced during anaerobic metabolism and is not directly related to the processes that lead to hypertension.

Choice C rationale:

Glycogen is not the substance that mediates arteriolar remodeling in hypertension. Glycogen is a storage form of glucose in the body and is not directly involved in the pathophysiology of hypertension.

Choice D rationale:

Angiotensin I is the precursor to angiotensin II, which is a potent vasoconstrictor and a key mediator of arteriolar remodeling in hypertension. Angiotensin II leads to increased vascular resistance, which contributes to elevated blood pressure in hypertensive individuals. .

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(1 point). Solved.Listen.A nurse is describing the pathophysiology of acute coronary syndromes.Which information should the nurse include? The most important component in the development of acute coronary syndromes is a decrease in supply or an increase in demand for:.

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Naxlex Comprehensive Predictor Exams

Listen.A patient presents with silent ischemia.Which assessment finding is typical with this condition?

Correct Answer is A

Explanation

(1 point). Listen.A nurse is discussing the substance that mediates arteriolar remodeling in hypertension.Which substance is the nurse describing?

Correct Answer is D

Explanation

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(1 point). Listen.Which statement indicates that the nurse needs more teaching about complications of sustained hypertension?

(1 point). Solved.
Listen.
A nurse is describing the pathophysiology of acute coronary syndromes.
Which information should the nurse include? The most important component in the development of acute coronary syndromes is a decrease in supply or an increase in demand for:.