Pharynx

Question 1

What muscles are innervated by the pharyngeal plexus cranial nerves nine and 10

Answer 1

Superior middle and inferior for initial constrictors

Question 2

What do the pharyngeal constrictors do?

Answer 2

Elevate and constrict to produce downward movement on the Bolus

Question 3

What are the longitudinal pharyngeal muscles?

Answer 3

these muscles course along the length of the pharynx and contribute to Pharyngeal and laryngeal elevation- the salpingopharyngeus and palatipharyngeus are innervated by the Vegas nerve. The stylopharyngeus is innervated by the glossopharyngeal nerve.

Question 4

What contributes to Hyolaryngeal elevation?

Answer 4

Pearson & colleagues reported that both suprahyoid and longitudinal pharyngeal muscles contributed to laryngeal elevation during swallowing and during swallowing maneuvers

Question 5

What nerves carry sensation to the brain?

Answer 5

Cranial nerve nine in mucosa in the nasal pharynx and cranial nerve 10 in the hypopharynx