X phys exam 2

() law is how quickly gas will move given a concentration

fick’s

what 3 variables does fick’s law take into consideration

tissue surface area, tissue thickness, gas diffusion constant

CO2 diffuses ()x higher than O2

20

inhalation is a () process

active

expiration at rest is a () process

passive

during inspiration the diaphragm moves ()

down

during expiration the diaphragm moves ()

up

during inspiration the ribs move ()

up

during expiration the ribs move

down

() is the amount of air moved into or out o fair during a normal breath

tidal volume

() is the air remaining after max expiration

residual volume

() is the total volume of air lungs can hold

total lung capacity

() is the max volume of air that lungs can move in a single breath

forced vital capacity

() is forced expiratory value in 1 second

forced expiratory volume

(/) us the percentage of FVC that can be exhaled in one second

FEV1/FVC

what is a normal FEV1/FVC

85%

an FEV1/FVC less than 70% is evidence of a () conditio

obstructive

how to measure a restrictive condition

FVCmeasured/FVCpredicted

MVV is

maximum voluntary ventilation test

() demonstrates maximum capability of respiratory system for moving air

MVV

MVV compares what lungs are capable of vs ()

VEmax

() is maximum ventilation during high intensity exercise

VEmax