(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 C

Explanation

Choice A rationale:

"Permits blood to flow backward" is more characteristic of valvular regurgitation rather than stenosis. This choice is not accurate in the context of valvular stenosis.

Choice B rationale:

"Fails to shut completely" is a description of valvular regurgitation, not stenosis. This is not the correct choice.

Choice C rationale:

Stenosis of a heart valve means that the valve is constricted and narrowed, limiting the flow of blood through it. This choice is accurate and describes valvular stenosis correctly.

Choice D rationale:

"Regurgitates and causes insufficiency" is a description of valvular regurgitation, not stenosis. This choice is not appropriate in this context.

A. Troponin T. B. C-reactive protein. C. Potassium. D. Brain natriuretic peptide.

Correct Answer is D

Explanation

Choice A rationale:

Troponin T is a cardiac biomarker used to diagnose myocardial infarction, not to determine the severity of heart failure. It is not the most appropriate laboratory result to monitor for heart failure severity.

Choice B rationale:

C-reactive protein is a marker of inflammation and is not typically used to determine the severity of heart failure. While inflammation can be present in heart failure, it is not a specific marker for its severity.

Choice C rationale:

Potassium levels can be important in heart failure management, but they do not directly indicate the severity of heart failure. Abnormal potassium levels can be a consequence of heart failure and its treatment.

Choice D rationale:

Brain natriuretic peptide (BNP) is the most appropriate laboratory result to monitor to determine the severity of heart failure in a patient. Elevated levels of BNP are associated with increased severity of heart failure. BNP is released by the heart in response to increased pressure and volume, which occurs in heart failure.

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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

(1 point). Listen.While reading the history, the nurse notices that the patient has stenosis of a heart valve.How does the nurse interpret this finding? The valve:.

Correct Answer is C

Explanation

(1 point). Listen.Which laboratory result should the nurse monitor to determine the severity of heart failure in a patient?

Correct Answer is D

Explanation

If a patient has secondary hypertension, the nurse realizes that the patient has an abnormal blood pressure caused by:.

(1 point). Listen.A patient has orthostatic hypotension.Which activity will require close observation by the nurse? When the patient:.

(1 point). Listen.Which patient should be monitored most closely by the nurse for complications?

(1 point). Listen.Which of the following laboratory results will cause the nurse to suspect that a patient is prone to the development of the fatty streak in atherosclerosis?

(1 point). Solved.Listen.A patient has hyperhomocysteinemia.Which foods should the nurse encourage the patient to consume? Foods high in:.

While reading a patient's history, which finding will cause the nurse to assess the patient for both valvular stenosis and regurgitation?

(1 point). Listen.A nurse is asked why myocardial ischemia is usually reversible within 20 minutes.What is the nurse's best response?

(1 point). Listen.Which of the following conditions will the nurse observe documented on the cha, the patient has a rapid collection of fluid in the pericardial sac, resulting in tamponade?

(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:.