Muscles of the Pharynx

Question 1

Name muscle A.

Answer 1

Stylopharyngeus muscle

Question 2

Name muscle B.

Answer 2

Superior pharyngeal constrictor

Question 3

Name muscle C.

Answer 3

Middle pharyngeal constrictor

Question 4

Name muscle D.

Answer 4

Inferior pharyngeal constrictor

Question 5

Name muscle A.

Answer 5

Superior pharyngeal constrictor

Question 6

Name muscle B.

Answer 6

Middle pharyngeal constrictor

Question 7

Name muscle C.

Answer 7

Inferior pharyngeal constrictor

Question 8

Name muscle D.

Answer 8

Palatopharyngeus muscle.

Question 9

Describe the origin of the superior pharyngeal constrictor.

Answer 9

Pterygoid hamulus of sphenoid bone
Mylohyoid line of mandible
Pterygomandibular raphe
Lateral border of tongue

Question 10

Describe the insertion of the superior pharyngeal constrictor.

Answer 10

Pharyngeal raphe

Question 11

Describe the action of the superior pharyngeal constrictor.

Answer 11

Constriction of upper pharynx during swallowing

Question 12

Describe the innervation of the superior pharyngeal constrictor.

Answer 12

Pharyngeal plexus

Question 13

Describe the blood supply to superior pharyngeal constrictor.

Answer 13

Ascending pharyngeal artery
Tonsillar branch of facial artery

Question 14

Describe the origin of the middle pharyngeal constrictor.

Answer 14

Greater and lesser horns of hyoid bone
Stylohyoid ligament

Question 15

Describe the insertion of the middle pharyngeal constrictor.

Answer 15

Pharyngeal raphe

Question 16

Describe the action of the middle pharyngeal constrictor.

Answer 16

Constriction of mid-pharynx during swallowing

Question 17

Describe the innervation of the middle pharyngeal constrictor.

Answer 17

Pharyngeal plexus

Question 18

Describe the blood supply of the middle pharyngeal constrictor.

Answer 18

Ascending pharyngeal artery
Tonsillar branch of facial artery

Question 19

Describe the origin of the inferior pharyngeal constrictor.

Answer 19

Oblique line and inferior cornu of thyroid cartilage and lateral aspect of cricoid cartilage of larynx

Question 20

Describe the insertion of the inferior pharyngeal constrictor.

Answer 20

Pharyngeal raphe.

Question 21

Describe the action of the inferior pharyngeal constrictor.

Answer 21

Constriction of mid-pharynx when swallowing

Question 22

Describe the innervation of the inferior pharyngeal constrictor.

Answer 22

Pharyngeal plexus

Question 23

Describe the blood supply of the inferior pharyngeal constrictor.

Answer 23

Ascending pharyngeal artery and pharyngeal branches of inferior thyroid artery.