Certified Dietary Manager (CDM) Practice Exam

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What is the main issue in Congestive Heart Failure (CHF)?

The heart is unable to pump blood effectively
Excess fluid in the lungs
Cardiac arrest due to an electrical failure
The heart is enlarged and overworked

The correct answer is: The heart is unable to pump blood effectively

The main issue in Congestive Heart Failure (CHF) is that the heart is unable to pump blood effectively. In CHF, the heart's muscles become weakened or stiff, preventing it from filling with blood or pumping it out efficiently. This impaired function can lead to a cascade of complications, including fluid buildup in the lungs and the body's tissues. While excess fluid in the lungs and the enlargement of the heart are related symptoms and consequences of CHF, they stem from the primary problem of ineffective pumping. Addressing the heart's inability to pump blood effectively is crucial for managing symptoms and improving the patient's quality of life.