What is the cause of the heart sounds "lubb-dupp?"
A) vibrations caused by closure of valves
B) firing of the sinoatrial (SA) node
C) movement of blood through the valves
D) flow of blood through the coronary vessels
Correct Answer:
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Q1: Which of the following is a sling-like
Q2: This term includes the venae cavae, pulmonary
Q3: Which chamber of the heart works the
Q4: Oxygenated blood is found in which structure?
A)
Q6: The mitral valve is:
A) a semilunar valve
Q7: Which of the following is responsible for
Q8: Blood flows from the vena cava to
Q9: Which structure is considered the pacemaker of
Q10: The Purkinje fibers:
A) send electrical signals to
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