Normal heart sounds are caused by which of the following events?
A) opening and closing of the heart valves
B) excitation of the SA node
C) closure of the heart valves
D) friction of blood against the chamber walls
Correct Answer:
Verified
Q12: Which of the following is not an
Q13: Small muscle masses attached to the chordae
Q14: Select the correct statement about the function
Q14: If we were able to artificially alter
Q15: Which of the following is not part
Q16: Which of these vessels receives blood during
Q18: Select the correct statement about the heart
Q19: The tricuspid valve is closed .
A)while the
Q21: The second heart sound is heard during
Q22: What is bradycardia?
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