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Author Question: The second heart sound (S2) occurs because of the closure of the: A. Aortic valve B. Tricuspid ... (Read 60 times)

Awilson837

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on: Jun 25, 2018
The second heart sound (S2) occurs because of the closure of the:
 
  A. Aortic valve
  B. Tricuspid valve
  C. Aortic and pulmonic valve
  D. A and B

Question 2

The first heart sound (S1) occurs because of the closure of the:
 
  A. Aortic and mitral valves
  B. Mitral and tricuspid valves
  C. Pulmonic valve
  D. Aortic valve


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jesse.fleming

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: C
S1 is the closing of the mitral valve and with the tricuspid (T1) valve; together they are known as the atrioventricular (AV) valves. S2 is the closing of the aortic (A2) and pulmonic (P2) valves; together they are known as the semilunar valves.

Answer to Question 2

ANS: B
S1 is the closing of the mitral valve and with the tricuspid (T1) valve; together they are known as the atrioventricular (AV) valves. S2 is the closing of the aortic (A2) and pulmonic (P2) valves; together they are known as the semilunar valves.


Awilson837

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Reply 2 on: Jun 25, 2018
Excellent

EAN94

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Reply 3 on: Yesterday
Gracias!

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