Wikis Allow Visitors to Change or Add to the Original

question 72

True/False

Wikis allow visitors to change or add to the original posted material.

Describe the components and functions of neurons, including axons and dendrites.

Understand the impact of stress on the nervous system and the body's response to stress.

Recognize the role of the myelin sheath in nerve impulse transmission.

Understand the legal boundaries and definitions of nursing practice as determined by State Nurse Practice Acts.

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Definitions:

Spicules

Small, pointed structures made of silica or calcium carbonate serving as a skeletal element in sponges and other invertebrates.

Flagella

Long, slender appendages that protrude from the cell body of some bacteria, protozoa, and spermatozoa, used for locomotion.

Sponges

Simple aquatic animals with a porous body that water flows through, belonging to the phylum Porifera.

Nerve Fibers

Long, thin extensions from neurons that transmit nerve impulses to other cells.