CN IX Glossopharyngeal

Question 1

CN IX Glossopharyngeal - Ganglia and nuclei at/in the?

Answer 1

Rostral medulla

Question 2

CN IX Glossopharyngeal - Nerves exits?

Answer 2

Lateral rostral medulla

Question 3

CN IX Glossopharyngeal - Types of neurons?

Answer 3

Somatosensory
Special sensory and visceral
Voluntary motor
Presynaptic parasympathetic

Question 4

CN IX Glossopharyngeal - Somatosensory - located on?

Answer 4

Posterior 1/3 of tongue

-Part of soft palate, pharynx and skin of external ear

Question 5

CN IX Glossopharyngeal - Somatosensory - Afferent limb of which reflex?

Answer 5

the Gagreflex

Question 6

CN IX Glossopharyngeal - Special sensory and Visceral Sensory - Taste of what piece and sinus?

Answer 6

Posterior 1/3 of tongue

Carotid sinus and body

Question 7

CN IX Glossopharyngeal - Voluntary Motor - Muscle for what action?

Answer 7

Swallowing

Question 8

CN IX Glossopharyngeal - Parasympathetic motor are neurons, glands and sites?

Answer 8

Presynaptic neurons
Salivary glands
Influenced by hypothalamus and olfactory system

Question 9

CN IX Glossopharyngeal - Injury - Trouble swallowing

Answer 9

Dysphagia

Question 10

CN IX Glossopharyngeal - Injury - Could have?

Answer 10

Dry mouth
Impaired gag reflex
Loss of taste ipsilateral of tongue (posterior 1/3)
Loss of somatosensation ipsilateral posterior 1/3 of tonue