The Nervous System

question 40

Multiple Choice

The nervous system

• A) acts only to adjust the contraction of skeletal muscle.
• B) initiates the rate and strength of cardiac contraction.
• C) can only adjust the rate and strength of cardiac contraction.
• D) has no direct control at all over cardiac function.
• E) acts only to adjust the contraction of smooth muscle.

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Definitions:

Supraspinatus

A muscle located in the shoulder, part of the rotator cuff, that assists in abduction of the arm.

Subscapularis

A muscle in the shoulder that assists in rotating the arm and stabilizing the shoulder joint.

Teres Major

A muscle located in the upper arm that assists in the rotation and adduction of the arm.

Shoulder Level

A reference point used in medical and fitness contexts to describe the height or area around the shoulders of a human body.