Which of the following represents the correct sequence when tracing the path of blood from the superior or inferior vena cava to the lungs?
A) left atrium,pulmonary semilunar valve,left ventricle,mitral valve,pulmonary arteries
B) right atrium,tricuspid valve,right ventricle,pulmonary semilunar valve,pulmonary arteries
C) tricuspid valve,right atrium,aortic semilunar valve,right ventricle,pulmonary veins
D) pulmonary semilunar valve,right atrium,mitral valve,right ventricle,pulmonary veins
Correct Answer:
Verified
Q28: In an ECG,the P wave represents
A)depolarization of
Q29: The correct sequence in the conduction system
Q30: The aortic semilunar valve prevents blood from
Q31: The pathway from the superior and inferior
Q32: The first heart sound,"lub," is made by
A)closure
Q34: What structural component of cardiac muscle cells
Q35: The sound of a heart murmur is
Q36: What acts as a pacemaker,initiating the heartbeat?
A)Nerves
B)AV
Q37: The pulmonary vein
A)carries oxygen-rich blood from lungs
Q38: What is the condition in which the
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