The First Branch of Each Spinal Nerve, Which Communicates with an Autonomic

question 128

Multiple Choice

The first branch of each spinal nerve, which communicates with an autonomic ganglion, is myelinated and is called a ________.

• A) white ramus communicans
• B) gray commissure
• C) fascicle
• D) postganglionic fiber
• E) gray ramus

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Definitions:

Perimysium

Fibrous sheath enveloping a bundle of skeletal muscle fibers (muscle fascicle).

Endomysium

Fine connective tissue sheath surrounding a muscle fiber.

Sarcolemma

The cell membrane of a muscle fiber, enclosing its contents and regulating the entry and exit of substances.

Epimysium

A fibrous tissue envelope that surrounds entire muscles, providing structural support and protection.