Trachea

Question 1

Where does the trachea begin at the superior margin?

Answer 1

At eh inferior boarder of the cricoid cartilage, typically at C6

Question 2

There are a system of 15-20 of these that are open posterior to help protect the trachea from damage. What are these

Answer 2

Cartilaginous Rings (C-Rings)

Question 3

What spans the posterior gap along the trachea?

Answer 3

Trachealis Muscle

Question 4

About how long is the trachea?

Answer 4

9-15cm

Question 5

At what level does the trachea bifurcate?

Answer 5

At the sternal angle at about the T4/T5 disc

Question 6

What is the prominent ridge located at the bifurcation of the trachea which separates it into the right and left main bronchus?

Answer 6

Carina

Question 7

The blood supply to the trachea comes from which arteries?

Answer 7

1) Inferior Thyroid Artery

2) Bronchial Artery

Question 8

Which nerve will give the trachea parasympathestic and pain fibers?

Answer 8

Vagus Nerve (CN X)

Question 9

Sympathetic innervation of the trachea comes from what nerve?

Answer 9

Sympathetic Trunk