Exam 2

Question 1

Where is the trachea, and what does it do?

Answer 1

Located in lower neck and upper chest, transports air to the lungs

Question 2

Bifurcation

Answer 2

Splitting into 2 branches

Question 3

What is carina and where is it located?

Answer 3

Point of trachea that splits into 2 and goes to each lung, located at T5

Question 4

What are bronchi and what do they turn into?

Answer 4

They are tubes that lead into each lung from the trachea. They turn into bronchioles.

Question 5

What are alveoli and what takes place in them?

Answer 5

Tiny air sacs at the ends of bronchioles. Gas exchange occurs in them.

Question 6

What is a cluster of alveoli called?

Answer 6

alveolar sacs

Question 7

What is the hilum and where is it located?

Answer 7

Triangular shaped part of lung at inner midpoint of each lung, allows pulmonary vessels to enter and exit lungs, point of entry for bronchus as well

Question 8

What are the two types of pleura? Where is each located and what is their purpose?

Answer 8

Parietal pleura - lungs outer layer
Visceral pleura - lungs inner layer
Produces pleura fluid allowing for easy movement of lungs and inflation during breathing

Question 9

What are the differences between the left and right lungs?

Answer 9

Left - 2 lobes, longer

Right - 3 lobes, shorter, broader than left

Question 10

List the anatomical structures found in the mediastinum

Answer 10

Thymus gland, lymph nodes, heart, trachea, nerves, thoracic duct