Exam (elaborations)
EXSC 463 – Cardiovascular Exam | Questions with 100% Correct Answers| Verified and Already Passed
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Describe specifically what happens at the SA node and AV node in order to increase HR during exercise. Why is the dromotropic effect at the AV node necessary to increase or decrease HR? - ANSWER neural stimulation of the SA node affects the frequency of action potentials emitted from the SA node...
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