In an ECG,the T wave represents
A) depolarization of the atria.
B) depolarization of the ventricles.
C) repolarization of the atria.
D) repolarization of the ventricles.
Correct Answer:
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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
Q39: The second heart sound,"dup," is caused by
Q41: The amount of blood pumped out of
Q42: The cardioregulatory center is located in the
A)cerebrum.
B)cerebellum.
C)medulla
Q43: Which chambers contract simultaneously?
A)Two atria
B)Right atrium and
Q44: Sympathetic stimulation of the heart causes the
Q45: When is the first sound of the
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