The AV node has several important functions that help the heart work effectively. Which of the following is not a function of the AV node?
A) It causes the delay of electrical impulses, which limits the number of impulses traveling to the ventricles.
B) It allows for a delay to provide time for the blood to travel from the atria to the ventricles before they contract.
C) It causes a loss of atrial kick.
D) It serves as a backup pacemaker if the SA node fails.
Correct Answer:
Verified
Q17: The valve located between the left atrium
Q18: The outermost layer of the heart is
Q19: Oxygenated blood travels through the heart via
Q20: The _ valves separate the ventricles from
Q21: Depolarization of the cells causes the heart
Q23: The volume of blood ejected with each
Q24: The T wave represents:
A)atrial contraction.
B)atrial relaxation.
C)ventricular contraction.
D)ventricular
Q25: The P wave represents:
A)atrial contraction.
B)atrial relaxation.
C)ventricular contraction.
D)ventricular
Q26: What is the heart's response to stimulation
Q27: When the sympathetic branch of the ANS
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