Why Is the Innervation Ratio in the Ocular Muscles One

question 1

Multiple Choice

Why is the innervation ratio in the ocular muscles one motor axon per 23 muscle fibers,whereas in the gastrocnemius muscle,it is one motor axon per 1,000 muscle fibers?

• A) There are more nerves in the upper body than in the lower extremities.
• B) The ocular muscles require finer control than moving the legs.
• C) The innervation ratio has to do with the overall size of the muscle- the bigger the muscle, the fewer the muscle fibers per motor axon.
• D) The gastrocnemius muscle contracts much harder than the ocular muscles do.
• E) There are fewer muscle fibers in the gastrocnemius muscle than in the ocular muscles.

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Definitions:

PERT Chart

is a project management tool used to schedule, organize, and coordinate tasks within a project, standing for Program Evaluation and Review Technique.

Critical Path Method

A project management technique that identifies the longest sequence of dependent tasks and calculates the shortest possible project duration.

Program Evaluation

The systematic collection and analysis of information about the activities, characteristics, and outcomes of programs to make judgments about them, to improve effectiveness, and/or to inform decisions about future programming.

Review Technique

A method or strategy used to assess, critique, and enhance the quality of work, projects, or academic research.