Brainstem Lesion

Question 1

Motor pathway (Corticospinal tract) deficit

Answer 1

Contralateral weakness

Question 2

deficit in the medial lemniscus

Answer 2

Contralateral proprioception or vibration loss

Question 3

Medial longitudinal fasciculus

Answer 3

Ipsilateral internuclear ophthalmoplegia

Question 4

Motor nucleus and nerve

Answer 4

Ipsilateral CN function loss

Question 5

Where does the Corticospinal tract decussate

Answer 5

Level of lower medulla

Question 6

Deficit in the spinocerebellar pathway

Answer 6

Ipsilateral ataxia

Question 7

Spinothalamic pathway

Answer 7

Contralateral pain or temperature sensory loss

Question 8

Deficit sensory nucleus of CN 5

Answer 8

Ipsilateral pain or temperature loss in face

Question 9

deficit sympathetic pathway

Answer 9

Ipsilateral horner’s syndrome

Question 10

Spinocerebellar pathway is concerned with

Answer 10

Unconscious proprioception

Question 11

If px has left side ipsilateral opthalmoplegia where is the lesion and location

Answer 11

Left oculomotor motor and located at the left midbrain

Question 12

Px has medial deviation of the eyeball what nerve is affected

Answer 12

Abducens nerve which is innervated by lateral rectus

Question 13

Deficit in CN5

Answer 13

Ipsilateral facial sensory loss