Stimulants

question 6

Multiple Choice

Stimulants:

• A) speed up signals passing through the central nervous system (CNS).
• B) slow down, retard, or obtund signals passing through the CNS.
• C) have no effect on the speed with which signals pass through the CNS.
• D) have an unknown-and unknowable-effect on the speed of signals passing through the CNS.
• E) none of the above.

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Definitions:

Intervertebral Discs

Cartilaginous pads located between the vertebrae in the spine, acting as shock absorbers and allowing flexibility.

Fibrocartilage

A tough type of cartilage that contains fibrous bundles of collagen, found in areas such as the intervertebral disks and pubic symphysis.

Compact Bone

The dense, hard outer layer of bone that provides strength and support to the skeletal structure.

Osteons

The fundamental unit of compact bone, comprising a central canal surrounded by concentric layers of calcified matrix.