In a Muscle Fiber Undergoing Maximal Tetanic Stimulation, the Velocity

question 138

Multiple Choice

In a muscle fiber undergoing maximal tetanic stimulation, the velocity of shortening ____ as the load ____.

• A)decreases; decreases
• B)decreases; increases
• C)increases; increases
• D)remains constant; increases
• E)remains constant; decreases

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Definitions:

Autonomic Nervous System

The part of the nervous system that controls involuntary bodily functions, including heart rate, digestion, and respiratory rate.

Somatic Nervous System

A part of the peripheral nervous system that handles voluntary control of body movements through the action of skeletal muscles.

Autonomic Nervous System

The part of the nervous system that controls involuntary actions of the body, regulating functions such as heart rate, digestion, and respiratory rate.

Peripheral Nervous System

The portion of the nervous system lying outside the brain and spinal cord, which includes nerves that branch out to the rest of the body, facilitating communication between the body and central nervous system.