Muscle Functions

Question 1

Which muscle(s) pull the velum down and forward?

Answer 1

Palatoglossus

Question 2

Which muscle(s) pull the velum up and back?

Answer 2

1. Palatopharyngeus
2. Levator Palatal muscle
3. Superior pharyngeal constrictor

Question 3

What are the floor of the mouth muscles?

Answer 3

Mylohyoid
Geniohyoid
Anterior belly of digastric

Question 4

What is the anterior attachment of the floor of the mouth muscles?

Answer 4

Body of the mandible

Question 5

What is the posterior attachment of the floor of the mouth muscles?

Answer 5

Hyoid bone

Question 6

What are the three main pharyngeal muscles?

Answer 6

Superior, medial, inferior

Question 7

What does the superior constrictor form?

Answer 7

Valleculae

Question 8

What does the medial constrictor form?

Answer 8

Pharynx

Question 9

What does the inferior constrictor form?

Answer 9

Pyriform sinuses

Question 10

At rest the upper esophageal sphincter is in a state of ____ ____.

Answer 10

tonic contraction

Question 11

What type of muscles are in the inner portion of the esophagus?

Answer 11

Circular, striated muscles

Question 12

What type of muscles are in the outer portion of the esophagus?

Answer 12

Long, smooth muscle

Question 13

What is the function of the posterior cricoarytenoid muscle?

Answer 13

Opens, Abducts

Question 14

What is the function of the lateral cricoarytenoid muscle?

Answer 14

Closes, Adducts