102 Brainstem Reticular Formation/RAS

reticular formation functions (PMRAC)

pain, muscle tone, reflexes, autonomic functions, consciousness

reticular formation neurons are mostly differentiated or undifferentiated?

undifferentiated

reticular formation extends through which of the following: midbrain, pons, medulla

midbrain, pons, medulla

reticular formation is anatomically not well defined. true or false

true

RAS stands for

reticular activating system

RAS implicated in autism. true or false

true

RAS response when minimally conscious or in vegetative state. true or false

true

RAS response when in coma or brain dead. true or false

false

EEG lets vegetative patient communicate by thinking of tennis and house to answer yes or no questions. true or false

false

What imaging type lets vegetative patient communicate by thinking of tennis and house to answer yes or no questions?

MRI

damage to the ascending RAS causes what?

unconsciousness (coma, vegetative state, minimally conscious)

damage to the descending RAS causes what?

death (autonomic functions stop)

ascending or descending RAS affected by alcohol and anesthesia?

ascending