Which of the following is not a symptom of heart failure? 

• A. Excessive thirst. 
• B. A persistent cough with white or pink mucus.
• C. Excessive weight loss.
• D. Shortness of breath.

Answer: (C)

Verified step by step guidance

1. Step 1: Understand what heart failure is — a condition where the heart cannot pump blood effectively, leading to symptoms related to fluid buildup and poor circulation.
2. Step 2: Review common symptoms of heart failure, which typically include shortness of breath, persistent cough with white or pink mucus (due to fluid in the lungs), and sometimes excessive thirst due to fluid retention and medication effects.
3. Step 3: Analyze each option given: excessive thirst, persistent cough with white or pink mucus, excessive weight loss, and shortness of breath.
4. Step 4: Recognize that excessive weight loss is generally not a symptom of heart failure; instead, weight gain or swelling due to fluid retention is more common.
5. Step 5: Conclude that the symptom not associated with heart failure from the list is excessive weight loss.