Trachea/Esophagus

Question 1

What are the superior and inferior boarders of the trachea?

Answer 1

Superior- the base of the larynx at the level of C6

Inferior- at the split into the left and right main bronchi

Question 2

T/F: The trachea lies posterior to the esophagus

Answer 2

False: it lies anterior

Question 3

What supports the walls of the trachea?

Answer 3

A series of incomplete (C-shaped) cartilaginous rings

Question 4

What spans the posterior gap of the trachea?

Answer 4

Trachealis muslce

Question 5

What allows for the expansion of the esophagus during swallowing of food?

Answer 5

The C-shape of the cartilage rings on the trachea that is open posteriorly

Question 6

What is the blood supply to the trachea?

Answer 6

Inferior Thyroid Artery

Question 7

What is the nerve innervation of the trachea?

Answer 7

Recurrent Laryngeal Nerve

Question 8

What is the muscular tube that connects the pharynx to the stomach?

Answer 8

Esophagus

Question 9

Where does the esophagus begin?

Answer 9

In the neck at the level of the C6 vertebra, posterior to the trachea