What is the result of hypertrophy and remodeling in the context of heart failure
Increased oxygen supply and improved cardiac function, which results in lower ejection fraction.
Hypertrophy and remodeling in heart failure result in poor contractility and increased oxygen demand as the hypertrophic muscle become inefficient over time.
Reduced workload on the heart and improved cardiac output, leading to resolution of heart failure.
Sustained improved contractility and decreased oxygen demand
The Correct Answer is B
A. Hypertrophy increases oxygen demand but does not improve cardiac function; it typically worsens ejection fraction.
B. Hypertrophy and remodeling initially help compensate but over time lead to inefficient heart muscle with poor contractility and increased oxygen demand, contributing to worsening heart failure.
C. Hypertrophy and remodeling increase, not reduce, workload, and do not resolve heart failure.
D. Contractility often declines and oxygen demand increases, contrary to this statement.
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Related Questions
Correct Answer is D
Explanation
A. Specific gravity changes relate to kidney function and hydration status, not directly to right-sided heart failure.
B. Heparin levels are related to anticoagulation therapy, not heart failure status.
C. BNP levels decrease when heart failure improves; decreased BNP is not expected in acute heart failure.
D. BNP is released in response to ventricular stretch and volume overload; it increases in acute heart failure as the heart struggles to manage fluid overload.
Correct Answer is A
Explanation
A. A decrease in Glasgow Coma Scale (GCS) score from 13 to 9 indicates worsening neurological status and possible deterioration, which requires immediate medical evaluation.
B. Pupils that are equal, round, and reactive are normal findings and not a concern.
C. A mild drop in heart rate from 76 to 70 bpm is within normal limits and not immediately concerning.
D. Repeated requests for narcotic pain medications may warrant assessment for pain or misuse but do not require immediate reporting compared to a significant GCS change.
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