After Evaluating the MCA, the Color PRF May Need to Be

question 6

Multiple Choice

After evaluating the MCA, the color PRF may need to be __________ to evaluate the posterior cerebral artery (PCA) .

• A) increased
• B) decreased
• C) unadjusted
• D) doubled

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Definitions:

Epilepsy

A neurological disorder marked by sudden recurrent episodes of sensory disturbance, loss of consciousness, or convulsions, associated with abnormal electrical activity in the brain.

Reticular Formation

A system in the midbrain comprising a diffuse collection of neurons involved in stereotyped patterns of behavior such as walking, sleeping, and turning to attend to a sudden noise.

Midbrain

Located between the hindbrain and forebrain, an area in which many nerve-fiber systems ascend and descend to connect the higher and lower portions of the brain; in particular, the midbrain relays information between the brain and the eyes and ears.

Parasympathetic Function

A part of the autonomic nervous system responsible for conserving energy and slowing down the heart rate, thus helping the body to relax and recuperate.