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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Weight should be measured consistently at the same time each day, ideally in the morning before eating, to accurately monitor fluid retention; subtracting food weight is not practical or accurate.
B. Gradual increase in activity is important for clients with heart failure, as long as it does not cause shortness of breath (dyspnea). This helps improve functional capacity safely.
C. A weight loss of 0.1 kg (1 lb) is not usually concerning; rapid weight gain (e.g., 2-3 pounds in a day or 5 pounds in a week) is more significant and should be reported.
D. Consistency in timing and frequency of weighing is critical; daily weighing at the same time helps detect fluid retention early.
Correct Answer is D
Explanation
A. Distended abdomen is more commonly associated with right-sided heart failure due to liver congestion and ascites.
B. Anorexia can be a nonspecific symptom and is not a primary indicator of left-sided heart failure.
C. Weight gain and edema in both legs are typical signs of right-sided heart failure, caused by systemic venous congestion.
D. Breathlessness (dyspnea) accompanied by crackles and wheezes indicates pulmonary congestion and fluid buildup, which are classic signs of left-sided heart failure where the heart fails to effectively pump blood out to the body, causing fluid to back up into the lungs.
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