The Nurse Notes a History of a Grade III Heart

The nurse notes a history of a grade III heart murmur in a small infant. When assessing the heart, the nurse would expect to:

A) Auscultate a quiet but easily heard murmur.
B) Auscultate a moderately loud murmur without a palpable thrill.
C) Auscultate a very loud murmur with easily palpable thrill.
D) Listen without a stethoscope and hear a murmur at chest wall.