Match Each Characteristic with a Muscle Fibre Type

question 37

Multiple Choice

Match each characteristic with a muscle fibre type. Each muscle fibre type may be used once, more than once, or not at all.
-low myoglobin content

• A)slow
• B)fast aerobic
• C)fast anaerobic
• D)both slow and fast aerobic
• E)both fast aerobic and fast anaerobic

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Definitions:

Novocain

A synthetic compound used as a local anesthetic in medical and dental procedures; it is often substituted for safer and more effective anesthetics today.

Sodium

A chemical element (Na) that is essential for life, involved in osmoregulation and nerve function.

All-Or-None Law

The principle that the strength of a response of a nerve cell or muscle fiber is not dependent upon the strength of the stimulus. If a stimulus is above a certain threshold, a nerve or muscle fiber will fire.

Action Potential

A momentary change in electrical potential on the surface of a cell, especially a nerve or muscle cell, that occurs when it is stimulated, leading to the transmission of an electrical impulse.