Anatomy of the Lungs

Question 1

How many lobes does the right lung have?

Answer 1

3

Question 2

How many lobes does the left lung have?

Answer 2

2

Question 3

On the left lung, the anterior border is marked by a deep notch, created by the apex of the heart. What it is known as?

Answer 3

Cardiac notch

Question 4

What does the lung root contain?

Answer 4

Each root contains a bronchus, pulmonary artery, two pulmonary veins, bronchial vessels, pulmonary plexus of nerves and lymphatic vessels.

Question 5

Which bronchus has a higher incidence of foreign body inhalation due to its wider shape and more vertical course.

Answer 5

Right one

Question 6

Describe the parasympathetic supply of the lungs.

Answer 6

Derived from the vagus nerve. They stimulate secretion from the bronchial glands, contraction of the bronchial smooth muscle, and vasodilation of the pulmonary vessels.

Question 7

Describe the sympathetic supply of the lungs.

Answer 7

Derived from the sympathetic trunks. They stimulate relaxation of the bronchial smooth muscle, and vasoconstriction of the pulmonary vessels.