Respiratory System

Question 1

What are the three things between air and blood?

Answer 1

Surfactant, type one alveoli, epithelia from capillary

Question 2

What type of cells are in the trachea?

Answer 2

Cilliated columnar

Question 3

How do the two main types of olfactory epithelium work together?

Answer 3

Microvilli from supporting cells support cillia of olfactory bipolar cells. Supporting cells make protein to bind odor to bipolar cells

Question 4

What glands wash away lingering odors?

Answer 4

Bowman’s, under the epithelium

Question 5

What do swell bodies do?

Answer 5

Fill with blood, prevent dehydration of mucosa

Question 6

What do bronchi and trachea have that the rest don’t?

Answer 6

Cartilage. Pseudostratified columnar epithelial

Question 7

How can you tell the three types of bronchioles apart?

Answer 7

Proximal have goblet cells and simple columnar. Terminal have simple cuboidal and no goblet. Respiratory have simple cuboidal and some alveoli

Question 8

What are type one alveolar cells?

Answer 8

Squamous, site of air exchange

Question 9

What are type two alveolar cells?

Answer 9

Produce surfactant and are stem cells

Question 10

What do fibroblasts in lung do?

Answer 10

Make leptin to stimulate type two alveolar cells

Question 11

What happens in COPD?

Answer 11

Neutrophils dissolve elastin in the lungs

Question 12

What factor causes construction in asthma?

Answer 12

IL13

Question 13

What do Clara cells do?

Answer 13

Stem cells in bronchioles. Removes toxins, tryptase causes flu symptoms, up CC16 in lung damage