Refer to the Figure Below of a Coronal Oblique MRA

question 60

Multiple Choice

Refer to the figure below of a coronal oblique MRA of cerebral arteries.

-Which arrow points to the middle cerebral artery?

• A) A
• B) B
• C) C
• D) D

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Definitions:

Gray Matter

The darker-colored area of the central nervous system; abundant in nerve cell bodies, dendrites, and axon terminals, associated with processing and cognition.

Myelination

The process of forming a myelin sheath around nerves, enabling faster electrical impulse transmission.

White Matter

The part of the nervous system consisting mainly of myelinated neurons' axons, responsible for transmitting impulses between different areas of the central nervous system.

Local Potential

A temporary, localized change in the resting potential of a neuron that makes it more likely or less likely to fire an action potential.