Chapter 7 - Cleft Lip and Palate

Question 1

What percentage of affected individuals have clefts of one or both sides of the lip?

Answer 1

25%

Question 2

What percentage have have palate only?

Answer 2

25%

Question 3

Oral-facial clefts are the ___ most common birth defect.

Answer 3

Fourth (1 out of every 750 live births of European Americans)

Question 4

How many weeks does it take for the whole process to be complete?

Answer 4

9 weeks

Question 5

Does lip or palate formation begin first?

Answer 5

Palate

Question 6

These characteristics describe what?

• Notch in hard palate
• Thin/blueish middle of velum
• Bifid uvula

Answer 6

Submucous cleft

Question 7

Back of the throat

Answer 7

Posterior pharyngeal wall

Question 8

Inappropriate resonances associated with coupling of the oral and nasal cavities

Answer 8

hypernasality

Question 9

Speech devoid of nasal resonances

Answer 9

hyponasality

Question 10

Device that measures acoustic energy from speech sounds

Answer 10

Nasometer

Question 11

Device that allows visualization of the nasal surface of the velopharyngeal structures. It is inserted through the nose.

Answer 11

Endoscopy

Question 12

Pharyngeal flap surgery

Answer 12

Given to patients with a short soft palate but good lateral wall movement

Question 13

Superior sphincter pharyngoplasty

Answer 13

Given to patients with an adequate soft palate but bad lateral wall movement

Question 14

Who might be a good candidate for a speech bulb?

Answer 14

Patients with a short soft plate or a deep nasopharynx