The nurse notes a history of a grade III heart murmur in a small infant. When assessing the heart, the nurse would expect to:
1. hear a quiet but easily heard murmur.
2. hear a moderately loud murmur without a palpable thrill.
3. hear a very loud murmur with easily palpable thrill.
4. listen without a stethoscope and hear a murmur at chest wall.
Correct Answer: 2
Rationale: A quiet but easily heard murmur is a grade II. A moderately loud murmur without palpable thrill is a grade III. A very loud murmur with easily palpable thrill is a grade V. A murmur heard at the chest wall without the aid of a stethoscope is a grade VI.
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