Cardiovascular Physiology Exam Questions with correct answers provided

Cardiovascular Physiology Exam Questions with correct answers provided What is the intrinsic conduction system of the heart responsible for? -It is responsible for initiating and conducting electrical impulses that regulate heartbeats. What is the role of the sinoatrial node in the heart? -It acts as the pacemaker, setting the pace for the heart with the fastest depolarization rate. Where is the sinoatrial node located? -In the right atrial wall. What does the term 'sinus rhythm' refer to? -It refers to the normal heart rhythm set by the sinoatrial node. What is the function of the atrioventricular node? -It receives impulses from the sinoatrial node and delays them by approximately 0.1 seconds before passing them to the ventricles.