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A+P 1 > Lecture 11 > Flashcards

Lecture 11 Flashcards

1
Q

bronze medal winner sti

A

syphallis

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2
Q

respiratory zone

A
  1. site of gas exchange
  2. consists of bronchioles, alveolar ducts, and alveoli
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3
Q

conducting zone

A
  1. provides rigid conduits for air to reach the sites of gas
    exchange
  2. includes all other respiratory structures [e.g., nose, nasal cavity, pharynx, trachea]
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4
Q

primary respiratory muscles

A

diaphragm and external intercostals

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5
Q

hairs in nose that filter coarse particles from air

A

vibrissae

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6
Q

smell receptors in the

A

olfactory mucosa

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7
Q

bones of nose

A

ethmoid, sphenoid, cribriform plate

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8
Q

protrusions in nasal cavity that increase surface area

A

conchae or turbinates

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9
Q

Regions of pharynx

A
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10
Q

auditory tubes that open into lateral walls of nasopharynx

A

pharyngotympanic

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11
Q

opening between the true vocal cords

A

glottis

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12
Q
A

Valsalva’s maneuver

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13
Q

defined by the presence of alveoli

A

respiratory zone

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14
Q
A

lookit!

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15
Q

how many alveoli in each lung?

A

300 million

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16
Q

terminal bronchiole

A
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17
Q

air-blood barrier

A

alveolar and capillary endothelium
their fused basal laminas [= basement membrane]

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18
Q

alveolar walls made of what

A

A single layer of type I cells
and type II cells

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19
Q

Type I alveolar cells do what

A

permit gas exchange by simple diffusion
secrete angiotensin converting enzyme [ACE]

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20
Q

type II alveolar cells do what?

A

secrete surfactant

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21
Q

study dis!

A
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22
Q

thin,double-layeredserosa

A

pleurae

23
Q

-covers the thoracic wall and superior face of the diaphragm
-continues around heart and between lungs

A

parietal pleura

24
Q
A

visceral, or pulmonary, pleura

25
Q

know dat!

A
26
Q

pressure within the alveoli

A

intrapulmonary pressure

27
Q

pressure within the pleural cavity

A

intrapleural pressure

28
Q

learn about it!

A
29
Q

the relationship between the pressure and volume of gases P1V1 = P2V2

A

Boyle’s Law

30
Q

this will be on the test baby

A
31
Q

this too

A
32
Q

negative pressure in the lungs?

A

inhalation

33
Q

positive pressure inside the lungs?

A

exhalation

34
Q

study away Jay

A
35
Q
A

Pactus Carinatum

36
Q
A

Pectus excavatum

37
Q
A

Barrel Chest

38
Q

air that moves into and out of the lungs with each breath [approximately 500 ml]

A

tidal volume [TV]

39
Q

air that can be inspired forcibly beyond the tidal volume [2100–3200 ml]

A

inspiratory reserve volume [IRV]

40
Q

air that can be evacuated from the lungs after a tidal expiration [1000–1200 ml]

A

expiratory reserve volume [ERV]

41
Q

air left in the lungs after strenuous expiration [1200 ml]

A

residual volume [RV]

42
Q

total amount of air that can be inspired after a tidal
expiration [IRV + TV]

A

inspiratory capacity [IC]

43
Q

amount of air remaining in the lungs after a tidal expiration [=RV + ERV]

A

functional residual capacity [FRC]

44
Q

the total amount of exchangeable air [=TV + IRV + ERV]

A

vital capacity [VC]

45
Q

sum of all lung volumes [approximately 6000 ml in males]

A

total lung capacity [TLC]

46
Q

volume of the conducting respiratory passages [150 ml]

A

anatomical dead space

47
Q

alveoli that cease to act in gas exchange due to collapse
or obstruction

A

alveolar dead space

48
Q

sum of alveolar and anatomical dead spaces

A

total dead space

49
Q

an instrument consisting of a hollow bell inverted over
water, used to evaluate respiratory function

A

spirometer

50
Q

the amount of gas expelled during specific time intervals of the FVC [typically 1 and 3 seconds

A

forced expiratory volume [FEV]

51
Q

gas forcibly expelled after taking a deep breath

A

forced vital capacity [FVC]

52
Q

total amount of gas flow into or out of the respiratory
tract in one minute

A

total ventilation

53
Q

Healthy FEV

A

A+P 1 (12 decks)

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