Find the Limit, If It Exists

question 208

Multiple Choice

Find the limit, if it exists. ​ ​

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Definitions:

Ventricular Contraction

This refers to the phase in the cardiac cycle where the ventricles (lower chambers of the heart) contract to pump blood out to the body and lungs.

Apex

Extremity of a conical or pyramidal structure. The apex of the heart is the rounded tip directed anteriorly and slightly inferiorly.

AV Bundle

The bundle of His, which is a collection of heart muscle cells specialized for electrical conductivity that transmits the electrical impulses from the AV node to the point of the apex of the fascicular branches.

SA Node

Sinoatrial node, the heart's natural pacemaker, initiating the electrical impulses that set the rate and rhythm of your heartbeat.