CSCS Daily Practice Question #90
Why is the atrioventricular (AV) node's conduction delay important for cardiac function?
A. It allows time for the atria to contract and empty blood into the ventricles before ventricular contraction begins
B. It synchronizes the electrical activity between the left and right atria
C. It prevents the ventricles from contracting too quickly and reduces blood pressure
Answer in the poll, then explain your rationale below in the comments! I'll follow up with my breakdown of the question after enough people have responded.
From Chapter 1: Structure and Function of Body Systems
DCO Code: 1.G1
NOTE: Image is for illustration purposes, not needed to answer the question.
A. It allows time for the atria to contract and empty blood into the ventricles before ventricular contraction begins
B. It synchronizes the electrical activity between the left and right atria
C. It prevents the ventricles from contracting too quickly and reduces blood pressure
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CSCS Daily Practice Question #90
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