Respiratory Flashcards

1
Q

3 factors that affect pulmonary ventilation

A

surface tension
lung compliance
airway diameter

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

define pulmonary respiration

A

exchange of gases in the lungs

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

what muscles are used with normal (quiet) breathing for inhalation and exhalation

A

diaphragm
external intercostals

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

what muscles are used with forced inspiration

A

SCM
scalenes
pec minor

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

what muscles are used with forced expiration during exhalation

A

abdominals
intercostals

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

what part of the brain controls respiration

A

medulla
pontine

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

list the 3 main cells within a pulmonary lobule

A

type I alveolar
type II alveolar
macrophages (dust cell)

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

what does type I alveolar do

A

gas exchange respiratory membrane

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

what does type II alveolar do

A

secrete surfactant

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

what does the epiglottis do

A

separates trachea from esophagus

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

what is pitch

A

tension in vocal cords

no tension = no sound

when taut = higher pitch

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

terminal bronchioles lead into the respiratory bronchioles

A

true

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

what is pulmonary ventilation

A

proces of inhalation and exhalation

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

what is pulmonary respiration

A

gas exchange in lungs

happening in type I alveolar cells

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

internal respiration

A

O2 in bloodstream throughout body

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

external respiration

A

happens in alveoli

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

when pressure goes up, volume goes down

when pressure goes down volume goes up

when diaphragm relaxes - increased pressure in lungs – decreased volume — increased air flows out

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

boyle’s law states

A

volume and pressure are inversely proportional

if volume increases, the pressure decreases

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

rule #1 states

A

gases move from high to low pressure

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

daltons law states

A

mixtures of gases **
behave Independently

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

exchange of O2 and CO2 between alveoli and outside air is governed by PASSIVE DIFFUSION regulated by which laws

A

Dalton’s
henrys

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

what is eupnea

A

normal, quiet breathing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

which layers contain C rings

A

hyaline cartilage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

where does internal respiration take place

A

body

25
Q

where does external respiration take place

A

alevoli

26
Q

what factors decrease airflow in respiratory system

A

increased PNS activity

27
Q

hemoglobin molecule binds 4 atoms of iron, allowing it to bind to 4 molecules of oxygen

A
28
Q

% of O2 carried in blood by hemoglobin

A

98.5%

29
Q

what muscles are involved w normal (quiet breathing) (inspiration or expiration)

A

external intercostals and diaphragm

30
Q

which muscles are involved with deep breathing (inspiration)

A

SCM, scalene’s, pec minor

31
Q

which muscles involved with deep EXPIRATION breathing

A

abdominals and intercostals

32
Q

where does gas exchange start

A

respiratory bronchioles

33
Q

what is the carina

A

where bronchi separate and where the cough reflex is

highly sensitive area

34
Q

which side of the lung has the horizontal fissure and middle lobe

A

right side

35
Q

which side of the lung has the cardiac fissure

A

left

36
Q

4 alveolar wall layers

A

type 1 and 2
epithelial basement membrane
capillary base membrane
capillary endothelium

37
Q

components of air

A

78% nitrogen
21% oxygen
1% other gases

38
Q

what does surfactant do

A

increases surface tension keeping alveoli open

prevents collapsing

39
Q

henry’s law

A

gases in a solution
proportional

gases and fluids

supplemental oxygen

40
Q

what is the conducting zone

A

bringing air into lungs

nose, pharynx, larynx, trachea, bronchi, bronchioles, terminal bronchioles

41
Q

what is the respiratory zone

A

site of gas exchange

secondary segmental bronchi, tertiary bronchi, alveolar ducts, alveola sacs and alveoli

42
Q

chemoreceptors detect

A

levels of O2, H+, CO2

found in carotid and aortic arches

43
Q

what produces sound in vocal cords

A

air passing through CLOSED vocal cords

44
Q

what does the fluid in between the pleural cavity do (surfactant)

A

decrease friction

45
Q

when you breath air into lungs, how much air reaches respiratory bronchioles

A

70%

46
Q

how is CO2 carried in blood

A

carbonic acid bicarbonate

47
Q

function of respiratory system

A

gas exchange and regulate pH

48
Q

upper respiratory tract

A

nose
pharynx

49
Q

lower respiratory tract

A

larynx
voicebox
trachea
bronchi
lungs

50
Q

which way does the epiglottis move for breathing

A

anteriorly

51
Q

name the tonsils

A

pharyngeal
lingual
palatine

52
Q

what is the glottis

A

space over the vocal cords

53
Q

why are mens voices lower

A

thicker and longer vocal cords
vibrate SLOWER

54
Q

what is the conducting zone

A

bringing air into lungs, no gas exchange

nose
pharynx
larynx
trachea
bronchi
bronchioles
terminal bronchioles

55
Q

what is the blood supply to the lungs

A

bronchiole arteries

56
Q

what does SNS stimulation do to the respiratory system

A

causes airway dilation or patent

PNS constricts

57
Q

what muscle is responsible for opening of vocal cords

A

posterior cricoarytenoid muscle

58
Q

what muscle is responsible for closing of vocal cords

A

lateral cricoarytenoid muscle

59
Q
A