APHY 201 - Heart Quiz 2024 Final Exam
Preparation Study Guide
The law of the heart (Starling) accounts for: - Answer>>the ventricles' ability to increase cardiac
output as venous return increases
The only vessels that provide direct access to nearly every cell in the body are the __________. -
Answer>>capillaries
Cardiac output is __________. - Answer>>the amount of blood pumped out of each ventricle in
one minute
The mitral and aortic valves simultaneously open during: - Answer>>no part of the cardiac cycle
The period of time that immediately follows the ejection phase of a cardiac cycle is called: -
Answer>>isovolumetric relaxation
All four intercardiac valves are closed during: - Answer>>isovolumetric contraction and
isovolumetric relaxation
According to the carotid baroreceptor reflex: - Answer>>an increase in carotid pressure
decreases heart rate and as a result cardiac output.
For a blood pressure of 140/70 mm Hg, the mean arterial pressure is: - Answer>>93.3 mm Hg
From the perspective of blood returning from the systemic circuit, identify the correct sequence
of blood flow through the chambers of the heart. - Answer>>right atrium, right ventricle, lungs,
left atrium, left ventricle
