An unlicensed assistive personnel (UAP) asks a nurse how to tell the difference between the first and second heart sounds. The nurse replies:
1. "The first heart sound, or systolic sound, is shorter and higher pitched than the second heart sound, or diastolic sound."
2. "The first heart sound, or diastolic sound, is shorter and higher pitched than the second heart sound, or systolic sound."
3. The first heart sound, or diastolic sound, is shorter, softer, and lower pitched than the second heart sound, or systolic sound.
4. "The first heart sound, or systolic sound, is longer, louder, and lower pitched than the second hart sound, or diastolic sound."
ANS: 4
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