Adolescents Send an Average of 30 Texts Per Day with __________

question 23

Multiple Choice

Adolescents send an average of 30 texts per day with __________ for girls and __________ for boys.

• A)20; 40
• B)40; 20
• C)50; 10
• D)10; 50

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Definitions:

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.

AV Node

The atrioventricular node, a part of the cardiac conduction system that controls the heart rate by slowing the electrical current before it passes from the atria to the ventricles.