3.2 Velopharyngeal Function

Question 1

There are approximately ____ sounds in American English.

Answer 1

46

Question 2

Speech sounds are learned from those that are what?

Answer 2

Neurologically simple to those that are more complex.

Question 3

What does a simple /p/ require?

Answer 3

1. 5-10 cmH20 of Respiratory pressure
2. VC abduction
3. Velopharyngeal closure
4. Lip closure

Question 4

What is the function of the Tensor Veli Palatini?

Answer 4

Opens eustachian tube

Question 5

What is the function of the Levator Veli Palatini?

Answer 5

Elevates velum, lateral walls, eustachian tube

Question 6

What is the function of the Superior Constrictor?

Answer 6

Swallow, sphincter

Question 7

What is the function of the palatoglossus?

Answer 7

Elevates posterior tongue (k,g, ng)/ Depress velum

Question 8

What is the function of the palatopharyngeus?

Answer 8

Swallow/palatal lowering

Question 9

What is the function of the Musculus Uvulae?

Answer 9

Provides mass on nasal surface

Question 10

What cranial nerves also play a role in the velopharyngeal mechanism?

Answer 10

V, IX, X

Question 11

What are the Pneumatic functions for velopharyngeal closure?

Answer 11

• Blowing
• Whistling
• Speech
• Learned, Cortical?

Question 12

What are the Non-pneumatic functions for velopharyngeal closure?

Answer 12

• Gagging
• Swallowing
• Brainstem