Diffusion

Front 1

Perfusion limited

Back 1

The transfer of gas across the alveolar wall is a function of the amount of blood that flows past the alveoli.

Front 2

Diffusion limited

Back 2

Means that the movement of gas across the alveolar wall is a function of the integrity of the alveolar-capillary membrane itself.

Front 3

Oxygen toxicity affects

Back 3

The lung and central nervous system.

Front 4

Solubility Coefficient

Back 4

The amount of gas that can be dissolve by 1mL of a given liquid at standard(760 mmhg) and specified temperature

Front 5

Flicks law

Back 5

States that rate of gas transfer across a sheet of tissue is directly proportional to the surface area of the tissue. Directly proportional to the diffusion Constants. Directly proportional to the difference in partial pressure of the gas between the two sides of the tissue. It is inversely proportional to the thickness of the tissue.

Front 6

Henry's law

Back 6

The amount of gas that dissolves in a liquid at a given temperature is proportional to the partial pressure of gas
CO2 is 24 times more soluble than O2

Front 7

What is the normal capacity of CO

Back 7

25 mL/min/mmHg

Front 8

Dalton law

Back 8

Law of partial pressure

Front 9

Percentage of PN2 (partial pressure nitrogen)

Back 9

78.08%

Front 10

% of PO2 (partial pressure oxygen)

Back 10

21%

Front 11

% of PCO2 (partial pressure of carbon dioxide)

Back 11

.03%

Front 12

% of other partial pressure in the air

Back 12

93%

Front 13

Formula for ideal alveolar gas equation

Back 13

PAo2= [Pb-Ph20] FIo2 - Paco2 (1.25)

Front 14

Graham's law

Back 14

Rate of diffusion of gas through liquid is 1. directly proportional to the solubility of coefficient of the gas number 2. indirectly proportional to the square root of the grand molecule or weight

Front 15

Graham and Henry law states that

Back 15

Carbon dioxide diffuses 20X faster than oxygen
Rate of diffusion of two gases is proportional to ratio of their solubility coefficient and inversely proportional to ratio of their gram molecule and weight

Front 16

What does the A component in Flicks law verify?

Back 16

verified that a decreased alveolar surface area decreases the ability of oxygen to enter the pulmonary capillary blood

Front 17

What does the P1-P2 in flicks law verify?

Back 17

It confirm that a decreased alveolar oxygen pressure(PAo2 or P1), cause by high altitude or alveolar hypoventilation, reduces the diffusion of oxygen into the pulmonary capillary blood

Front 18

What does the T factor in flicks law verify?

Back 18

Is confirmed in that an increase in alveolar tissue thickness (caused by alveolar fibrosis or Alveolar edema) reduces the movement of oxygen across alveolar capillary membrane

Front 19

Disorders that cause alveolar capillary membrane thickness to increase

Back 19

Pulmonary edema, pneumonia, interstitial lung disease, acute respiratory distress syndrome (ARDS) respiratory distress syndrome(RDS) in newborn

Front 20

Hyperbaric oxygen therapy (HBOT)

Back 20

Therapeutic application of oxygen pressures greater than 1 atm.

Front 21

Gas diffusion

Back 21

The movement of individual gas (N2, O2, CO2) molecules from an area of high pressure (high concentration) to an area of low pressure (low concentration)

Front 22

Diffusion gradient

Back 22

Individual gas partial pressure differences

Front 23

Henry's law

Back 23

The amount of gas that dissolves in a liquid at a given temperature is proportional to the partial pressure of gas
CO2 is 24 times more soluble than O2

Front 24

What is the normal capacity of CO

Back 24

25 mL/min/mmHg

Front 25

Dalton law

Back 25

Law of partial pressure

Front 26

Percentage of PN2 (partial pressure nitrogen)

Back 26

78.08%

Front 27

% of PO2 (partial pressure oxygen)

Back 27

21%

Front 28

% of PCO2 (partial pressure of carbon dioxide)

Back 28

.03%

Front 29

% of other partial pressure in the air

Back 29

93%

Front 30

Formula for ideal alveolar gas equation

Back 30

PAo2= [Pb-Ph20] FIo2 - Paco2 (1.25)

Front 31

Water vapor

Back 31

Water in the gaseous form, when in volume of gas it exerts a partial pressure

Front 32

Graham's law

Back 32

Rate of diffusion of gas through liquid is 1. directly proportional to the solubility of coefficient of the gas number 2. indirectly proportional to the square root of the grand molecule or weight

Front 33

Graham and Henry law states that

Back 33

Carbon dioxide diffuses 20X faster than oxygen
Rate of diffusion of two gases is proportional to ratio of their solubility coefficient and inversely proportional to ratio of their gram molecule and weight

Front 34

What does the A component in Flicks law verify?

Back 34

verified that a decreased alveolar surface area decreases the ability of oxygen to enter the pulmonary capillary blood

Front 35

What does the P1-P2 in flicks law verify?

Back 35

It confirm that a decreased alveolar oxygen pressure(PAo2 or P1), cause by high altitude or alveolar hypoventilation, reduces the diffusion of oxygen into the pulmonary capillary blood

Front 36

What does the T factor in flicks law verify?

Back 36

Is confirmed in that an increase in alveolar tissue thickness (caused by alveolar fibrosis or Alveolar edema) reduces the movement of oxygen across alveolar capillary membrane

Front 37

Disorders that cause alveolar capillary membrane thickness to increase

Back 37

Pulmonary edema, pneumonia, interstitial lung disease, acute respiratory distress syndrome (ARDS) respiratory distress syndrome(RDS) in newborn

Front 38

Hyperbaric oxygen therapy (HBOT)

Back 38

Therapeutic application of oxygen pressures greater than 1 atm.

Front 39

Gas diffusion

Back 39

The movement of individual gas (N2, O2, CO2) molecules from an area of high pressure (high concentration) to an area of low pressure (low concentration)

Front 40

Diffusion gradient

Back 40

Individual gas partial pressure differences

Front 41

Alveolar gas has how much absolute humidity / water vapor pressure?

Back 41

47mg/L.
47 torr

Front 42

Pv02

Back 42

40 torr

Front 43

Pv02

Back 43

40 torr

Front 44

Pv CO2

Back 44

46 torr

Front 45

Pv02

Back 45

40 torr

Front 46

Pv CO2

Back 46

46 torr

Front 47

PA o2

Back 47

100 torr

Front 48

Pv02

Back 48

40 torr

Front 49

Pv CO2

Back 49

46 torr

Front 50

PA o2

Back 50

100 torr

Front 51

PA co2

Back 51

40 torr

Front 52

What happens to time/rate during diffusion when excercising?

Back 52

Increase rate decrease time

Front 53

What is the disease that decrease rate n time of diffusion

Back 53

Pulmonary edema
Pneumonia
Interstitial lung disease

Front 54

How to fix decrease rate n time in diffusion

Back 54

Treatment increase patient oxygen