____ are pulsations in the neck and chest as the atria contract against the closed AV valves and pulsations flow backward.

Question

Quizplus · Accepted Answer

Cannon A waves are pulsations in the neck and chest that occur when the atria contract against the closed AV valves and pulsations flow backward. Cannon V waves are pulsations in the neck and chest that occur when the atria are filling and the AV valves are closed, leading to a increase in pressure in the atria. Pacemaker waves and sympathetic waves are not related to this phenomenon.

____ Are Pulsations in the Neck and Chest as the Atria