Which of the following best describes the characteristics of the left ventricle in diastolic heart failure?

Thin and flexible

Weak and non-contractile

Thick and stiff

Enlarged and dilated

Answer and Explanation

The Correct Answer is C

A. Thin and flexible walls are not typical in diastolic heart failure.
B. Weak and non-contractile describes systolic heart failure.
C. In diastolic heart failure, the left ventricle becomes thickened and stiff, impairing its ability to relax and fill properly.
D. Enlarged and dilated ventricles are characteristic of systolic heart failure, not diastolic.

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Correct Answer is A

Explanation

A. Blood cultures help identify the causative organism, and a CT scan is often performed before lumbar puncture to rule out increased intracranial pressure or mass effect, which can contraindicate lumbar puncture.
B. Stool culture and ultrasound are unrelated to meningitis diagnosis.
C. Urinalysis and chest X-ray do not diagnose meningitis.
D. ECG and pulmonary function tests are not relevant for meningitis evaluation.

A. Fluid accumulation in the systemic venous system resulting in dependent edema B. Chest pain C. Crackles in the lungs D. Hypotension

Correct Answer is A

Explanation

A. Cor pulmonale causes right-sided heart failure, leading to systemic venous congestion and dependent edema.
B. Chest pain is more commonly associated with left-sided heart issues or coronary artery disease.
C. Crackles in the lungs are signs of left-sided heart failure due to pulmonary congestion.
D. Hypotension is not a typical early sign of cor pulmonale or right-sided heart failure.

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Which of the following best describes the characteristics of the left ventricle in diastolic heart failure?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is A

Explanation

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