Answer to Question #58394 in Human Anatomy and Physiology for sue

Question #58394
Just prior to atrial systole: a. all four chambers are at rest and the AV valves are open b. all four chambers are at rest and the AV valves are closed c. all four chambers are contracting and all valves are open d. both ventricles are contracting and blood is being ejected into the major arteries e. both atria are contracting and blood is being ejected into the major arteries
1
Expert's answer
2016-03-18T15:48:04-0400
a. all four chambers are at rest and the AV valves are open

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