Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

BECOM 2 EXAM 2 > Lung Volumes > Flashcards

Lung Volumes Flashcards

1
Q

What is the pressure of water vapor in the lungs at 37 degrees

A

47 mm Hg

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

What is atmospheric pressure

A

760 mm Hg

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

What is Boyle’s law

A

P1V1 =P2V2

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

What type of pressure causes the lungs to expand

A

Interpleural pressure

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

Pleural pressure is ______-

A

Negative

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

What is the pressure that pulls the lungs towards the chest

A

Interpleural pressure

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

What is the equation for trans airway pressure

A

Pta = Paw - Pl

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

What is the equation for the trans pulmonary pressure

A

Pl=PA - Ppl

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

What pressures determine whether the lungs will collapse or not

A

Transairway pressure and transplmmonary pressure

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

What pressures determine the flow of air

A

Airway pressure and alveolar pressure

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

A high pleural pressure leads to

A

Low transpulmonary pressure ->expiration

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

What is the transpulmonary pressure at rest

A

5 cm H2O

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

Will you have more of a negative pressure at the apex or at the base

A

Apex

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

During forced (mid-expiration, which of the following can have a negative value

A

Trans-airway pressure

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

Alveolar pressure is ______ in inspiration and ________ in expiration

A

Negative; positive

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

Intrapleural pressure remains _______ in inspiration and expiration

A

Negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

To treat TB it is better to ______ the lung

A

Collapse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The distance between the tidal volume and maximum inhalation is the

A

Inspiration reserve volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

When the IRV and the TV are added together

A

Inspiratory capacity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

When you expire as much as you can from your lungs

A

Expiratory reserve volume

21
Q

The amount of air in the lungs after a maximum expiration

A

Residual volume

22
Q

The ERV and RV combined

A

Functional residual capacity

23
Q

The maximum inspiration and expiration

A

Vital capicity

24
Q

The entire volumes of the lung

A

Total lung capacity

25
Q

The maximal volumme of air exhaled from end-expiration

A

Expiratory reserve volume

26
Q

The maximal volume of air inhaled from end-respiration

A

Inspiratory reserve volume

27
Q

The volume of air in the lungs at resting end-expiration

A

Functional residual capacity

28
Q

The maximum volume of air that can be inhaled from the resting expiratory

A

Inspiratory capacity

29
Q

The largest volume measured on complete exhalation

A

Vital capacity

30
Q

A patient with reduced FRC value may have

A

A collapsed right lung

31
Q

What effect does COPD have on residual volume

A

Increases RC

32
Q

Describes the ease at which the lungs can be stretched/inflated

A

Distensibility

33
Q

Defines the ability of a stretched tissue to return to its resting volume

A

Recoil

34
Q

Loss of elasticity = ____ recoil, _____ emptying

A

Low; low

35
Q

A change in lung volume per unit change in Tm

A

Lung compliance

36
Q

What effect does an increase in collagen fibers have on lung compliance

A

It decreases compliance and increases lung elasticity

37
Q

Then in which there is no pressure within the lungs

A

FRC Test Question

38
Q

In residual volume, where does air go first

A

Apex

39
Q

In functional reserve capacity, where does air go first

A

Base

40
Q

Where does most function in the lung occur during tidal volume

A

Base

41
Q

_____ ________ becomes preferred for ventilation in anesthetize patient in lateral position

A

Upper lung

42
Q

Neonatal respiratory distress syndrome is associated with what in babies

A

The absence of surfactant

43
Q

In a healthy individual (sitting), the end expiratory air is predominantly from

A

Apex of the lung

44
Q

The inward tension is ________ proportional to the radius of the alveoli

A

Inversely proportional

45
Q

What is the primary agent responsible for surface tension

A

DPPC

46
Q

Pulmonary surfactants are comprised of

A

Lipoproteins rich in phospholipids

47
Q

A ratio of ______ lecithin;sphingomyelin in Indicative of mature levels of surfactant

A

2:1

48
Q

A patient recovering form pneumothorax reversal procedure may experience a pinch (while sitting)

A

During inspiration near the apex

BECOM 2 EXAM 2 (18 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions