The Ability of a Muscle to Contract and Relax Is

question 23

Multiple Choice

The ability of a muscle to contract and relax is dependent on the flow of what substance out of and into its storage site in the muscle cell?

• A) phosphorus
• B) calcium
• C) iron
• D) chloride

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Definitions:

Inches

A unit of length in the British imperial and the United States customary systems of measurement, equal to 1/36 of a yard or 1/12 of a foot.

Walker

A type of mobility device, useful for patients who cannot safely use crutches or a cane.

Leaning Slightly

The act of inclining or tilting marginally from a vertical position.

Walkers

Assistive devices used to aid mobility, typically consisting of a frame with handles and legs, which a person can lean on and push forward to move.