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Home Q & A Board Biology-Related Homework Help Medicine
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Krystenmcinnis Krystenmcinnis
wrote...
6 years ago
In response to a student nurse's question, the nurse correctly states:
 
  1. The first heart sound reflects the sound produced by relaxation of the atria.
  2. The first heart sound reflects the closing of the mitral and tricuspid valves.
  3. The first heart sound reflects the closing of the pulmonary and aortic valves.
  4. The first heart sound reflects the beginning of the atrial contraction.
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wrote...
#1
6 years ago
ANS: 2
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