FOCUS HERE: Resp: Gas Exchange Flashcards

(34 cards)

1
Q

describe the process of breathing and gas exchange from the inhalation of o2 to exhalation of co2

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2
Q

whats the difference between PX and FX

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3
Q

what is daltons law of partial pressures

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4
Q

PB is normally:

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5
Q

how do we factor in humidified air when trying to find partial pressures

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6
Q

how to find partial pressure

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7
Q

why do Po2 and Pco2 go down when air is humidified in the respiratory tract

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8
Q

when po2 is equal between air and water will the concentrations be equal? why or why not

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9
Q

why does more co2 dissolve in water at the same partial pressure as oxygen

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10
Q

what is ficks law of diffusion

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11
Q

where does oxygen cross into

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12
Q

where does carbon dioxide cross into

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13
Q

how is gas exchange impacted in emphysema

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14
Q

how is gas exchange impacted in fibrotic lung disease

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15
Q

how is gas exchange impacted in pulmonary edema

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16
Q

how is gas exchange impacted in asthma

17
Q

what does low arterial po2 cause

18
Q

what does a low arterial po2 mean

19
Q

what is the po2, pco2 in alveolar air

20
Q

what is the po2, pco2 in arterial blood

21
Q

what is the po2, pco2 in tissues

22
Q

what is the po2, pco2 in venous blood

23
Q

what is the po2, pco2 in atmospheric air

24
Q

explain how o2 goes from the alveoli into the blood

25
explain o2 conc differences in plasma vs rbc
26
describe the structure of hemoglobin - how many chains? what is the structure of the heme groups?
27
describe the oxygen hemoglobin dissociation curve. what are the relative hb saturation by o2 at alveoli, tissues
28
how does ph impact hemoglobin saturation
29
how does temperature impat hemoglobin dissociation
30
how does pco2 impact hemoglobin dissociation
31
desrcibe the hemoglobin dissociation curve of fetuses. why is it different
32
describe how carbon gets transported from cells into blood cells, into plasma
33
desrcibe how co2 from rbcs gets to the alveoli
34
describe the haldane effect: what happens as po2 increases? why?