Axons

question 1

Multiple Choice

Axons:

• A) transmit nerve impulses to terminal buttons and vary in length
• B) are always bundled with other axons to form nerves and are individually very short in length
• C) vary in length depending on whether they send or receive information
• D) are uniform in size throughout the body though capable of serving different functions

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Definitions:

Computerised Tomography

A medical imaging technique that uses computer-processed combinations of multiple X-ray measurements taken from different angles to produce cross-sectional images of specific areas of a scanned object, allowing the user to see inside the object without cutting.

Positron Emission Tomography

A nuclear medicine functional imaging technique used to observe metabolic processes in the body as an aid to the diagnosis of disease.

Electrical Stimulation

A therapeutic method or research tool that applies electrical currents through electrodes to stimulate nerves, muscles, or brain areas for various purposes.

Parasympathetic

Pertaining to the part of the autonomic nervous system that conserves energy by slowing the heart rate and relaxing muscles after periods of stress.