Chapter 4 - Alveolar Capillary Membrane Surface Area Flashcards

1
Q

How much alveolar surface is available for gas exchange?

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How much surface area of the pulmonary capillaries is available for gas exchange?

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Can you maintain adequate gas exchange if you lose a large quantity of surface area due to disease processes?

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Can you think of any medical problems acute or chronic that would cause a loss of surface area?

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Would you expect hypoxemia to occur and CO2 retention to occur if surface area was decreased?

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is the purpose of the alveolar type II cells?

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the function of the pores of Cohn?

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Explain how smoking, macrophage when combined together can result in the development of emphysema.
Figure 4-12.

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is surfactant, what does it do, and why’s it so important in keeping us alive?

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How long do you think you would live without surfactant? What would happen to you if you did not have enough?

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

An increase in capillary hydrostatic pressure can cause pulmonary edema. What is the mechanism of the edema, where does the swelling occur? How does it affect gas diffusion?

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Name the four layers of the alveolar capillary membrane, starting from the innermost layer.

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the importance of the LS ratio when discussing the survivability of the premature infant and how does it relate to surfactant and lung compliance and work of breathing?

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Make the connection between surfactant deficiency and the VQ mismatch known as shunting, described the cause-and-effect relationship and the mechanics of it all.

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly