In an ECG,the P wave represents
A) depolarization of the atria.
B) depolarization of the ventricles.
C) repolarization of the atria.
D) repolarization of the ventricles.
Correct Answer:
Verified
Q23: An area other than the SA node
Q24: The heart sounds are due to the
A)valves
Q25: Which of the following vessels carries blood
Q26: In an ECG,the QRS complex represents
A)depolarization of
Q27: The myocardium obtains oxygen and nutrients from
A)blood
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
Q33: Which of the following represents the correct
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