Bronchial tree

Question 1

Where does the trachea extend from?

Answer 1

C7 - T4-5 into left and right bronchi

Question 2

What is the makeup go the trachea?

Answer 2

hyaline C- shaped cartilaginous rings

for expansion and contraction

Question 3

What is the last ring at split of the trachea?

Answer 3

carina

Question 4

What are differences of the right and left bronchi?

Answer 4

right diverges at ~25 degrees left at ~37
left main bronchus is longer
left main bronchus has a smaller diameter

Question 5

What are the branches of the right main lobe?

Answer 5

Superior lobar

intermediate lobar

Question 6

What does the intermediate lobe branch into on the right bronchus?

Answer 6

middle lobar

inferior lobar

Question 7

What are the branches of the left main bronchus?

Answer 7

superior lobar

inferior lobar

Question 8

What are the branches of the superior lobar of left bronchus ?

Answer 8

superior division
lingular division
both are tertiary

Question 9

What is each segment?

Answer 9

smallest functional units of the lung

Question 10

Why does most blockages occur on the right side rather than left?

Answer 10

the right side is bigger in diameter

Question 11

Arteries that carry blood into the lungs arise from which structures?

Answer 11

pulmonary trunk
intercostal aa
descending aorta