A Large Fraction of the Energy Consumed by the Brain

question 38

Multiple Choice

A large fraction of the energy consumed by the brain is used for

• A) producing action potentials.
• B) synthesizing and releasing neurotransmitters.
• C) saltatory conduction.
• D) maintaining ionic differences across neuronal membranes.

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Definitions:

Posterior Sacral Foramina

Openings located on the dorsal side of the sacrum bone through which nerves and blood vessels pass.

Coccyx

The coccyx, commonly known as the tailbone, is the final segment of the vertebral column in humans, comprising three to five small fused vertebrae situated at the base of the spine.

Frontal

Pertaining to the front, often used to describe the location of structures; in brain anatomy, refers to the region associated with decision making, problem solving, and emotions.

Maxilla

One of the two large bones that form the upper jaw, serving as a foundation for the face and support for the upper teeth.