Nasal Cavity, Air Sinuses, Respiratory Tract Lecture

Question 1

How many lobes are there in each lung?

Answer 1

Left has 2, right has 3

Question 2

Where does the oblique fissure run?

Answer 2

From T3 to cc6

Question 3

Where does the transverse fissure run?

Answer 3

From cc4 to oblique fissure at midaxillary line

Question 4

Describe the position of structures in the hilum of the lungs

Answer 4

. Bronchi are most posterior
. Pulmonary arteries superior to bronchi
. Pulmonary veins inferior to bronchi

Question 5

What is the difference between the right and left main bronchi? What are the implications of this?

Answer 5

Right main bronchus is wider, shorter, and steeper, which means that objects are more likely to fall down the right main bronchus

Question 6

Which type of fissure is present in the left lung?

Answer 6

Oblique

Question 7

Describe the relative positions of the lobe fissures in the left lung.

Answer 7

Horizontal fissure is superior to oblique fissure