gas exchange

Question 1

anatomical dead space

Answer 1

inspired air which remains in airways and is not available for gas exchange

Question 2

pulmonary ventilation calc

Answer 2

tidal volume x resp rate

Question 3

is aleolar ventilation less or larger than pulmonaery

Answer 3

less

Question 4

pulmonary ventilation

Answer 4

volume of air breathed in an out pre minute

Question 5

alveolar ventilation

Answer 5

Is the volume of air exchanged between the atmosphere and alveoli per minute

Question 6

how to increase pulmonary ventilation in excersize etc

Answer 6

increase depth and rate ; depth more imoirtant

Question 7

perfusion

Answer 7

the rate at which blood is passing through the lungs

Question 8

ventilation

Answer 8

rate at which gas is passing trough the lungs

Question 9

what does accumulation of co2 i alveoli decrease

Answer 9

airway resistance leading to increased airflow

Question 10

increase in alveolar o2 conc assoc

Answer 10

causes pulmonary vasodilation which increases blood flow to match larger airflow

Question 11

factors affecting rate of gas exchange across alveolar membrane

Answer 11

Partial Pressure Gradient of O2 and CO2

Diffusion Coefficient for O2 and CO2

Surface Area of Alveolar Membrane

Thickness of Alveolar Membrane

Question 12

partial pressure of gas

Answer 12

the pressure that one gas in a mixture of gases would exert if it were the only gas present in the whole volume occupied by the mixture at a given temperature.

Question 13

whihc is more soluble in membranes, o2 or co2 ?

Answer 13

co2

Question 14

whihc partil pressre is smaller co2 or o2

Answer 14

co2

Question 15

fiks law of diffusion

Answer 15

The amount of gas that moves
across a sheet of tissue in unit
time is proportional to the area of
the sheet but inversely proportional
to its thickness

Question 16

what doe the walls of alveoli consists of

Answer 16

single layer of flattened type 1 alveolar cells