Lec 2 Brainstem & Spinal Cord

Question 1

Which cranial nerves in midbrain

Answer 1

3. Oculomotor

4. Trochlear

Question 2

Which cranial nerves in pons

Answer 2

5. Trigeminal
6. Abducens
7. Facial
   Part of 8. Vestibular

Question 3

Which cranial nerves in the medulla

Answer 3

Part of 8. Vestibular
10. Vagus (motor/para)
12. Hypoglossal (motor)
Part of 5. Trigeminal (spinal nucleus)

Question 4

Cerebellar Disease: s/s on the _____ side as lesion

Answer 4

ipsilateral

Question 5

Cerebellar Disease s/s

Answer 5

Hypotonia
Ataxia
Dysmetria
Action Tremor
Decomposition

Question 6

CN nuclei are arranged how?

Answer 6

Rostral to caudal: reflects distribution of invx structures

Medial (motor) to lateral (sensory)

Question 7

PCA vascularizes (part of brainstem)

Answer 7

midbrain

Question 8

AICA vascularizes (part of brainstem)

Answer 8

lateral pons

Question 9

Basliar vascularizes (part of brainstem)

Answer 9

medial pons

Question 10

PICA vascularizes (part of brainstem)

Answer 10

post/lat medulla

Question 11

Vertebral vascularizes (part of brainstem)

Answer 11

olive & middle part of medulla

Question 12

Anterior Spinal vascularizes (part of brainstem)

Answer 12

pyramid & ant/med medulla

Question 13

Cervical spinal cord lesion =

Answer 13

UE + LE paralysis

Question 14

Thoracic spinal cord lesion =

Answer 14

LE paralysis

Question 15

Lumbar spinal cord lesion =

Answer 15

LE weakness

Question 16

Cauda Equina spinal cord lesion =

Answer 16

Gastroc/sol + feet weakness

Question 17

Spinal cord columns are ___ matter

Answer 17

white

Question 18

Spinal cord horns are ___ matter

Answer 18

grey

Question 19

Anterior Spinal vascularizes (part of spinal cord)

Answer 19

ventral 2/3

Question 20

Posterior Spinal vascularizes (part of spinal cord)

Answer 20

dorsal columns