G11 Pharynx

Question 1

Extends from skull base to inferior border of cricoid cartilage. Consists of circular and longitudinal mm wrapped in fascia. Lined with mucous membrane containing mucous glands.

Answer 1

Pharynx

Question 2

Border between nasopharynx and oropharynx

Answer 2

Soft palate

Question 3

Border between oropharynx and laryngopharynx

Answer 3

Epiglottis

Question 4

Border between Laryngopharynx and Esophagus

Answer 4

C6 vertebral level

Question 5

Connection between pharynx and middle ear

Answer 5

Auditory (Eustachian/Pharyngotympanic) Tube Orifice

Question 6

Cartilage of auditory tube

Answer 6

Torus Tubarius

Question 7

Route air and food into trachea and esophagus

Answer 7

Laryngopharynx

Question 8

Functions of larynx

Answer 8

1. Phonation
2. Regulate size of opening between vocal folds
3. Prevent foreign bodies from entering airway
4. Acts as sphincter

Question 9

Superior Constrictor attachments

Answer 9

1. Pterygomandibular raphe
2. Pterygoid hamulus
3. Medial plate of pterygoid process
4. Pharyngeal tubercle
5. Pharyngeal raphe

Question 10

Middle constrictor attachments

Answer 10

1. Stylohyoid ligament

2. Pharyngeal raphe

Question 11

Inferior Constrictor m attachments

Answer 11

1. Oblique line
2. Cricoid cartilage
3. Hyoid Bone
4. Pharyngeal raphe

Question 12

Oropharyngeal triangle boundaries and purpose

Answer 12

Ant- Mylohyoid
Post- Middle constrictor
Sup- Superior Constrictor

For structures to enter/exit oral cavity

Question 13

Pharynx arterial supply is predominantly via _____ and _____ aa. (Branches of ECA)

Answer 13

Ascending pharyngeal

Superior Thyroid

Question 14

_____ supplies symp nn to pharyngeal plexus.

____ supplies motor innervation to pharyngeal mm

_____ supplies motor innervation to stylopharyngeus and sensory to pharynx

Answer 14

Superior Cervical Ganglion

CN X

CN IX

Question 15

Loss of motor nn to pharynx lead to ______

Loss of sensory nn to pharynx may cause loss of ____

Answer 15

Marked dysphagia (difficulty swallowing)

Gag reflex

Question 16

When lymphoid tissue in pharyngeal tonsil is enlarged, it is referred to as ____. They can obstruct air flow from ____ to ____

Answer 16

Adenoids

Nose
Nasopharynx
And between nasopharynx and middle ear

Question 17

Accidentally swallowed objects may become trapped here. Induce choking sensation/severe coughing.

Answer 17

Piriform Recess

Question 18

The ____ is not a valve seal, while the _____ is.

Answer 18

Epiglottis

Soft palate/Uvula/Nasopharynx area