Chapter 4. Muscles of the Soft Palate

Question 1

uvular

Answer 1

action: shortens and broadens the uvula
innervation: vagus nerve

Question 2

palatoglossus

Answer 2

action:

1. pulls the sides of tongue upwards and backwards
2. pulls down on the lateral edges of the soft palate
3. narrows the space between the right and left palatoglossal folds

innervation: vagus nerve

Question 3

palatopharyngeus

Answer 3

action:

1. narrows the fauces
2. elevates and dilates the pharynx behind the tongue

innvervation: vagus nerve

Question 4

levator veli palatini

Answer 4

action: elevates the soft palate during swallowing
innervation: vagus nerve

Question 5

tensor veli palatini

Answer 5

action:
1. tenses the soft palate
2. opens auditory tube when yawning and swallowing

innervation: trigeminal nerve