A Signal That Needs to Affect Many Cell Types

question 55

Multiple Choice

A signal that needs to affect many cell types

• A) may bind to multiple receptor types.
• B) will bind only to extracellular receptors.
• C) is a neurotransmitter.
• D) is released by exocrine cells.
• E) is a steroid hormone.

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Definitions:

Endomysium

A connective tissue covering that surrounds individual muscle cells.

Perimysium

A layer of connective tissue that surrounds muscle fibers, grouping them into fascicles.

Fascia

A band or sheet of connective tissue, primarily collagen, beneath the skin that attaches, stabilizes, encloses, and separates muscles and other internal organs.

Fibromyalgia

A condition that exhibits chronic pain primarily in joints, muscles, and tendons.