FOCUS HERE: Resp: Gas Exchange

Question 1

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

Question 2

whats the difference between PX and FX

Question 3

what is daltons law of partial pressures

Question 4

PB is normally:

Question 5

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

Question 6

how to find partial pressure

Question 7

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

Question 8

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

Question 9

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

Question 10

what is ficks law of diffusion

Question 11

where does oxygen cross into

Question 12

where does carbon dioxide cross into

Question 13

how is gas exchange impacted in emphysema

Question 14

how is gas exchange impacted in fibrotic lung disease

Question 15

how is gas exchange impacted in pulmonary edema

Question 16

how is gas exchange impacted in asthma

Question 17

what does low arterial po2 cause

Question 18

what does a low arterial po2 mean

Question 19

what is the po2, pco2 in alveolar air

Question 20

what is the po2, pco2 in arterial blood

Question 21

what is the po2, pco2 in tissues

Question 22

what is the po2, pco2 in venous blood

Question 23

what is the po2, pco2 in atmospheric air

Question 24

explain how o2 goes from the alveoli into the blood

Question 25

explain o2 conc differences in plasma vs rbc

Question 26

describe the structure of hemoglobin - how many chains? what is the structure of the heme groups?

Question 27

describe the oxygen hemoglobin dissociation curve. what are the relative hb saturation by o2 at alveoli, tissues

Question 28

how does ph impact hemoglobin saturation

Question 29

how does temperature impat hemoglobin dissociation

Question 30

how does pco2 impact hemoglobin dissociation

Question 31

desrcibe the hemoglobin dissociation curve of fetuses. why is it different

Question 32

describe how carbon gets transported from cells into blood cells, into plasma

Question 33

desrcibe how co2 from rbcs gets to the alveoli

Question 34

describe the haldane effect: what happens as po2 increases? why?