Pharynx and Esophagus

Question 1

Skull base to the soft palate

Answer 1

Nasopharynx

Question 2

Soft palate to the hyoid bone

Answer 2

Oropharynx

Question 3

Hyoid bone to cricophrayngeus muscle

Answer 3

Hypopharynx

Question 4

Anterior boundary of the oropharynx

Answer 4

Base of the tongue

Question 5

Contains the taste buds

Answer 5

Circumvallate papillae

Question 6

Separate the larynx from the orophraynx and hypopharynx

Answer 6

Epiglottis and aryepiglottic folds

Question 7

Extension of esophagus

Answer 7

From the cricopharyngeus muscle (C5-C6) to the GEJ (T11)

Question 8

Length of esophagus

Answer 8

25cm

Question 9

Muscle group of esophagus

Answer 9

IC-OL lined by stratified squamous epi

Question 10

Extrinsic inpressions on the esophagus

Answer 10

Aortic arch
Left mainstem bronchus
Left atrium

Question 11

Normal thickness of the wall of the esophagus in CT and MRI

Answer 11

2-4mm

Question 12

Saccular termination of the esophagus

Answer 12

Esophageal Vestibule

Question 13

Tubulovestibular junction
SYMMETRICAL

Answer 13

A ring

Question 14

ASYMMETRICAL ring in the junction of esophaeal squamous and gastric columnar

Answer 14

B ring

Question 15

Squamocolumnar junction

Answer 15

Z line

Question 16

Radiographic markers of the GEJ

Answer 16

B ring and Z line

Question 17

LES length

Answer 17

2-4 cm, physiologic structure

Question 18

Composed of rapid wave of inhibition that opens the sphincters followed by a slow wave of contraction that moves the bolus

Answer 18

Primary peristalsis

Question 19

Initiated by distension of the esophageal lumen

Answer 19

Secondary peristalsis

Question 20

Non productive contractions associated with motility disorders

Answer 20

Tertiary wave