Biology: Inspiration and Expiration Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Outline the process of inspiration

A

-diaphragm contracts -external intercostal contract, internal relax -rib cage up and outwards
-volume increase, pressure decrease in thoracic cavity -air moves down pressure gradient

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

Outline the mechanism of expiration

A

-diaphragm relaxes -external relax, internal contract -rib cage moves in and downwards
-volume decrease, pressure increase in thoracic cavity -air out down pressure gradient

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

What type of process is inspiration?

A

active, requires energy

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

What type of process is expiration?

A

passive, doesn’t require energy

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

What is ventilation rate?

A

how many breaths per minute

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

What is tidal volume?

A

volume of air in each breath

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

What is residual volume?

A

certain volume remaining in lungs so they don’t deflate

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

What is forced expiratory volume (FEV1) ?

A

maximum volume of air breathed out in one minute

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

What is forced vital capacity?

A

maximum volume of air forcefully breathed out of lungs

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

What do we use to measure lung function?

A

spirometer

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

What do all lung diseases do?

A

reduce rate of gas exchange in alveoli

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

What are the two categories for lung disease?

A

-restrictive -obstructive

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

What are the effects of tuberculosis on lung function?

A

tidal volume decrease
ventilation rate increase

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

How does pulmonary fibrosis effect lung function?

A

tidal volume decreased
ventilation rate increased

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How does asthma effect lung function?

A

forced expiratory volume significantly reduced

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How does emphysema effect lung function?

A

tidal volume decreased
ventilation rate increased
FEV1 significantly reduced