Ch.17B

Question 1

1. What measurement device uses a bell, water and CO2 absorbent for measurements of breathing?

Answer 1

Older Spirometer

Question 2

2.What diseases may spirometers be used to check for?

Answer 2

Emphysema, chronic bronchitis

Question 3

3.The volume of air that moves in a single inspiration or expiration is;

Answer 3

Tidal Volume

Question 4

4.The additional amount of air you can inhale beyond normal inhalation is;

Answer 4

Inspiratory reserve

Question 5

5.The additional amount of air you can exhale beyond normal exhalation is;

Answer 5

Expiratory Reserve

Question 6

6.The amount of air remaining in the lungs after maximal exhalation is;

Answer 6

Residue

Question 7

7.Residual volume can be directly measured using a spriometer T/F

Answer 7

F

Question 8

8.Tidal volume can be directly measured using a spirometer; T/F

Answer 8

T

Question 9

9.The total lung volume minus the residual volume is;

Answer 9

Vital capacity

Question 10

10.The maximal inhalation volume minus the maximal exhalation volume is;

Answer 10

Total lung volume minus the residue

Question 11

11.During periods of high demand or low ventilation, blood leaving the alveoli may be inadequately oxygenated T/F

Answer 11

T

Question 12

12.It is possible to drive oxygen levels above normal with hyperventilation T/F

Answer 12

T

Question 13

13.The cells of the alveoli must be ____ in order to facilitate diffusion of gasses

Answer 13

Thin

Question 14

14.The liquid that is secreted by the alveoli in order to prevent the surfaces from sticking together is called;

Answer 14

Surfactant

Question 15

15.The liquids of the alveoli and pleural membranes have a similar function T/F

Answer 15

F

Question 16

16.What tissues are contained within the alveoli that help with exhalation?

Answer 16

Elastic fibers

Question 17

17.Most of the alveolar surface is covered with capillaries T/F

Answer 17

T

Question 18

18.The amount of blood flowing around an alveolus is called;

Answer 18

Perfusion

Question 19

19.What normally occurs when the oxygen levels in an alveolus are reduced (due to inadequate ventilation)?

Answer 19

Ventilation perfusion

Question 20

20.When the amount of blood moving around the alveolus does not match the oxygen levels in that alveolus, this is called;

Answer 20

Mismatch ventilation perfusion

Question 21

21.Perfusion-ventilation matching is normally under control of the medulla T/F

Answer 21

F

Question 22

22.What is/are the functions of the goblet cells of the respiratory tract?

Answer 22

produce mucus to trap inhaled particles

Question 23

23.How does the mucus in the respiratory tract not stick to the epithelial cilia?

Answer 23

Saline

Question 24

24.What two structures work together to help breathing occur?

Answer 24

Ribs with intercostal, and diaphragm

Question 25

25.Oxygen and carbon dioxide move into or out of the blood independent on the concentration of the other gas T/F

Answer 25

T

Question 26

26.What problem/factor can limit ventilation efficiency?

Answer 26

Airway resistance can limit ventilation efficiency

Question 27

27.Typically ventilation matches perfusion in the lungs T/F

Answer 27

T