CN IX/X/XI/XII lesions

Question 1

Tongue deviates towards side of lesion

Answer 1

CN XII LMN lesion

Question 2

Tongue deviates away from side of lesion

Answer 2

CN XII UMN lesion

Question 3

Tongue weakness with atrophy and fasciculation

Answer 3

CN XII bilateral LMN lesion

Question 4

Tongue weakness with hyperactive gag reflex and labile effect

Answer 4

CN XII bilateral UMN lesion (pseudobulbar palsy)

Question 5

Uvula deviates away from lesion

Answer 5

CN X lesion

Question 6

Absence of gag reflex

Answer 6

CN X LMN lesion

Question 7

Hyperactive gag reflex

Answer 7

CN X UMN lesion

Question 8

Poor cough

Answer 8

Vocal cord palsy

Question 9

Hoarse voice

Answer 9

Unilateral recurrent laryngeal nerve palsy

Question 10

Dysphagia followed by cough

Answer 10

CN X lesion

Question 11

Brainstem lesion

Answer 11

= lateral medullary syndrome)
Dysarthria
Dysphagia
Hoarseness
Horner's
Contralateral sensory loss with ipsilateral dysfunction

Question 12

Bulbar palsy

Answer 12

Lesion of the lower cranial nerves

Results in dysphonia, dysphagia, aspiration