(second midterm) Lecture 7 (4/25/16) PT. 2

Question 1

The pharynx contains both _____ and ______ until it splits into digestive and respiratory.

Answer 1

food and air

Question 2

The breathing apparatus was an outgrowth of what?

Answer 2

your gut

Question 3

The inner lining on the lungs is…

Answer 3

endoderm

Question 4

The first branch that goes into the lungs…

Answer 4

primary bronchi

Question 5

Cartilaginous support of bronchi is derived from what?

Answer 5

neural crest (he said it will probably be on test)

Question 6

Laryngeal muscles are innervated by…

Answer 6

recurrent laryngeal nerve

Question 7

Primary bronchi to _______ bronchi to ________ bronchi to _______ ________.

Answer 7

secondary
tertiary
bronchial tree

Question 8

Which lung is smaller? Why?

Answer 8

Left is smaller

Because heart is placed to the left

Question 9

Right lung has ___ lobes.

Answer 9

3

superior, middle, inferior

Question 10

What lines the lungs? What lines the inside of body wall and diaphragm?

Answer 10

visceral pleura = lungs

parietal pleura = body wall

Question 11

Different regional names of parietal pleura:

Answer 11

Costal
Diaphragmatic
Mediastinal
Cupola
Costodiaphragmatic

Question 12

What is the costodiaphragmatic recess?

Answer 12

a territory into which the lung cannot expand no matter how much you inhale or exhale

Question 13

If you stick a needle in the costodiaphragmatic recess, what happens?

Answer 13

it won’t hit the lung
if you get into an accident, you could get damage that could cause you to get an air bubble in your pleural cavities; sticking a needle into your costodiaphragmatic recess can get it out by laying someone down on their stomach and tilted down and on the side