Question

multiple choice question
what is a pulse?
the expansion and recoil of an artery wall that can be felt near the bodys surface
the expansion of a vein caused by the backflow of blood in the vessel
the return of blood through the venous system to the heart
the sound produced by the closing of the av valves

Explanation:

A pulse is the rhythmic expansion and recoil of an artery wall. This occurs due to the heart pumping blood into the arteries, and can be felt at various points near the body's surface like the wrist or neck. The other options describe different physiological processes related to blood - flow and heart sounds, not a pulse.

Answer:

The expansion and recoil of an artery wall that can be felt near the body's surface