LESIONS

Question 1

Corticospinal Fibers

Answer 1

Contralateral Spastic Paralysis

Question 2

Pyramid

Answer 2

Contralateral Spastic Paralysis

Question 3

Pyramidal Decussation

Answer 3

Bilateral Spastic Paralysis

Question 4

Olive (Inferior Olivary Nucleus)

Answer 4

Ataxia

Question 5

FG or Gracile Tubercle

Answer 5

Ipsilateral loss of DS from lower body T6 and down

Question 6

Inferior Cerebellar Peduncle

Answer 6

Ipsilateral Ataxia

Question 7

Superior Cerebellar Peduncle

Answer 7

Ataxia, Dysdindochokinesia

Question 8

Dentate Nucleus

Answer 8

Dysdiadochokinesia

Question 9

Vagal Trigone

Answer 9

• Loss of parasympathetics to thorax and abdomen
• Reduced gag reflex
• Dysphonia, Dysphagia

Question 10

Hypoglossal Trigone

Answer 10

-Ipsilateral tongue paralysis

Question 11

Vestibular Area

Answer 11

Vertigo, Nystagmus

Question 12

Facial Colliculus

Answer 12

CN VI and CN VII ; Bell’s Palsy, Medial Strabismus

Question 13

Superior Colliculus and Brachium

Answer 13

Lateral Strabismus, Ptosis, Myadriasis

Question 14

Inferior Colliculus and Brachium

Answer 14

Loss of Hearing

Question 15

Cerebral Aqueduct

Answer 15

Hydrocephalus

Question 16

Periaqueductal Gray: Superior Level

Answer 16

Diplopia, Myadriasis, Lateral Strabismus, Ptosis

Question 17

Periaqueductal Gray: Inferior Level

Answer 17

Weak down and in eye movements

Question 18

Red Nuclei

Answer 18

Intention tremors, Contralateral Dystaxia

Question 19

Cruc Cerebri

Answer 19

Contralateral Spastic Paralysis

Question 20

Substantia Nigra

Answer 20

Parkinsons

Question 21

CN I Olfactory Nerve

Answer 21

Anosmia

Question 22

CN II Optic Nerve

Answer 22

Anopsia

Question 23

CN III Occulomotor Nerve

Answer 23

Lateral Strabismus, Ptosis, Cycloplegia, Diplopia, Myadriasis

Question 24

CN IV Trochlear Nerve

Answer 24

Down and in eye movement (cant text)

Question 25

CN V Trigeminal Nerve

Answer 25

Trigeminal Neuralgia, Facial anesthesia or numbness, inability to bite down with jaw deviation to same side

Question 26

CN VI Abducens Nerve

Answer 26

Medial Strabismus, Diplopia

Question 27

CN VII Facial Nerve

Answer 27

Bell's Palsy

Question 28

CN VIII

Answer 28

Vertigo, Vomiting, Nystagmus, Loss of Hearing

Question 29

CN IX Glossopharyngeal Nerve

Answer 29

Hypertension, Hypotension, Reduced or absent gag reflex, loss of sensation of upper pharynx

Question 30

CN X Vagus Nerve

Answer 30

Loss of parasympathetics to thorax and abdomen, Dysphonia and Dysphagia

Question 31

CN XI Accessory Nerve

Answer 31

Dysphonia, Dysphagia, Paralysis of Ipsilateral trapezius and sternocleidomastoid muscles

Question 32

CN XII Hypoglossal Nerve

Answer 32

Ipsilateral tongue paralysis and atrophy

Question 33

Facial Colliculus

Answer 33

Bell's Palsy, Medial Strabismus

Question 34

Superior Colliculus and Brachium

Answer 34

Lateral Strabismus, Ptosis, Myadriasis

Question 35

Inferior Colliculus and Brachium

Answer 35

Loss of Hearing

Question 36

Periaqueductal Gray (Superior)

Answer 36

CN III

Question 37

Periaqueductal Gray (Inferior)

Answer 37

CN IV

Question 38

Decussation of the Superior Cerebellar Peduncle

Answer 38

Ataxia, Bilateral DDK

Question 39

Red Nuclei

Answer 39

Intention tremors, Contralateral dystaxia

Question 40

Cruc Cerebri

Answer 40

Contralateral Spastic Paralysis

Question 41

Vermis

Answer 41

Dysmetria, Intention tremors, Hypotonia, Ataxia

Question 42

Tonsil

Answer 42

Dysmetria, Intention Tremors

Question 43

Flocculus

Answer 43

Ataxia