COMA

Question 1

Somnolent

Answer 1

External stimulation required

normal waking but back out

Question 2

Obtunded

Answer 2

External stimulus required

abnormal waking

Question 3

COMA

Answer 3

no wakefulness

Question 4

Cheyne-Stokes Respiration

Answer 4

Problem with diecephalan

Question 5

Central neurogenic hyperventilation

Answer 5

Problem in midbrain/upper pons

input from pons and medulla only

Question 6

Apneustic respirations

Answer 6

Problem in pontine/tegmentum

input from medulla only

Question 7

Ataxic respirations

Answer 7

lower medulla input only

Question 8

Metabolic light reaction

Answer 8

Small reaction to light

Question 9

Diencephalic light reaction

Answer 9

Small reaction to light

Question 10

Tectal light reaction

Answer 10

Large and no reaction to light

Question 11

III nerve light reaction

Answer 11

One reacts to light the other is dilated and fixed

Question 12

Midbrain light reaction

Answer 12

Midpostion and fixed

-no reaction to light

Question 13

Pons light reaction

Answer 13

Loss all sym function

Pinpoint- no reaction to light

Question 14

Occulocephalic- Occulovestibular reflexes

Answer 14

Midbrain- Medial longitudinal fasciculus

• incomplete- right eye slower to move
• complete- right eye will not go past midline

Pons- neither eye will move

Question 15

Decorticate posturing

Answer 15

Abnormal flexor response of arm with extension of legs

-at or above red nucleus in midbrain

Question 16

Decerbrate posturing

Answer 16

Abnormal extensor response of the arm and leg

-below red nucleus in midbrain