Session 7 - External Pharynx

Question 1

What forms the ganglia on the sympathetic chains and Vagus nerves?

Answer 1

Collection of neuron cell bodies

Question 2

What is the name of the fused first thoracic and lower cervical sympathetic ganglia?

Answer 2

The stellate ganglion

Question 3

What structures are supplied by the superior laryngeal nerve?

Answer 3

Sensation to inside of the larynx down to the vocal cords

Cricothyroid muscle

Question 4

Which special sensation is carried in the glossopharyngeal nerve?

Answer 4

Posterior 1/3 of the tongue

Question 5

Motor innervation to tongue?

Answer 5

Hypoglossal

Question 6

Sensory and Taste to Post 1/3 tongue?

Answer 6

Glossopharangeal

Question 7

Sensory to Ant 2/3 of tongue?

Answer 7

Lingual branch or mandibular

Question 8

Taste to Ant 2/3 of tongue?

Answer 8

Facial

Question 9

What does the carotid sinus contain and what do they detect?

Answer 9

Baroreceptors

Blood vol and pressure by detecting stretch on vessels

Question 10

What is the location of the carotid sinus and what sensation does it detect?

Answer 10

The origin of the internal carotid artery

Blood pressure

Question 11

Which structures lie immediately behind the pharyngeal wall?

Answer 11

Thin layer of loose areolar tissue
Then
Cervical vertebral bodies

Question 12

Which parts of the pharynx lie below the lower border of the mandible?

Answer 12

The Hypopharynx