7.3

Question 1

what is tidal volume?

Answer 1

volume of air which moves into and out of the lungs in each resting breath

Question 2

what is vital capacity?

Answer 2

volume of air which can be breathed during strong inhalation and exhalation

Question 3

what is inspiratory reserve volume?

Answer 3

maximum volume of air you can breathe in during normal inhalation

Question 4

what is the residual volume?

Answer 4

volume of air left in lungs when forced exhalation occurs

Question 5

what is the total lung capacity?

Answer 5

sum of vital capacity and residual volume

Question 6

what is used to measure lung volume?

Answer 6

a spirometer

Question 7

what is the breathing rate?

Answer 7

number of breaths taken per minute

Question 8

what is the ventilation rate?

Answer 8

breathing rate x tidal volume

Question 9

what is used to absorb CO2 in a spirometer?

Answer 9

soda lime
sodium hydroxide

Question 10

what precautions should be taken when using a spirometer?

Answer 10

use fresh air
disinfectant mouthpiece
health of subject