The ________ Is the Smooth, Triangular Surface Where the Anterior

question 10

Multiple Choice

The ________ is the smooth, triangular surface where the anterior surface of the scapula faces the ribs.

• A) glenoid cavity
• B) supraspinous fossa
• C) subscapular fossa
• D) infraspinous fossa

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Definitions:

Anterior Interventricular Artery

A blood vessel that delivers oxygenated blood to the front of the septum and both ventricles of the heart.

Electrical Excitation

The process by which an electrical impulse stimulates a nerve cell, muscle, or other excitable tissue to produce an action potential.

AV Bundle

The bundle of His, a collection of heart muscle cells specialized for electrical conduction, transmitting impulses from the atrioventricular node to the ventricles of the heart.

SA Node

The sinoatrial node, a group of cells in the right atrium of the heart that acts as the natural pacemaker by generating electrical impulses.