Respiratory

Question 1

Airway Resistance

Answer 1

Decreases when broncioles dilate

Question 2

What is the function of type II pnemocytes (alveolar cells)?

Answer 2

Produces surfactant

Question 3

If the volume of a container holding a gas or liquid increases, the pressure exerted by that gas/liquid within the container will

Answer 3

Decrease

Question 4

Which of the following are structures of the respiratory zone

Answer 4

Respiratory Bronchioles
Alveolar ducts
Alveoli sacs

Question 5

Vocal cords

Answer 5

Larynx

Question 6

The majority of carbon dioxide (CO2) is transported through the blood:

Answer 6

As bicarbonate ions

Question 7

Carbon dioxide moves into blood

Answer 7

Internal respiration

Question 8

Oxygen moves out of blood

Answer 8

Internal respiration

Question 9

Oxygen moves into blood

Answer 9

External respiration

Question 10

Carbon dioxide moves out of blood

Answer 10

External respiration

Question 11

Lines the respiratory zone

Answer 11

Respiratory membrane

Question 12

Allows gas exchange

Answer 12

Respiratory membrane

Question 13

Lines the conducting zone

Answer 13

Respiratory mucosa

Question 14

Composed of type I pneumocytes and endothelial cells

Answer 14

Respiratory membrane

Question 15

Cleanses, warms & moisturizes the air

Answer 15

Respiratory mucosa

Question 16

Correctly order of the events of expiration:

Answer 16

Relaxation of inspiratory muscles
Lung volume decrease
Lungs recoil
Intrapulmonary pressure rises
Narrowing of thoracic cavity

Question 17

Which of the following are functions of the conducting zone?

Answer 17

Warms air
Moistens air
Cleanses air

Question 18

Healthy lung compliance

Answer 18

Increases ventilation

Question 19

Bronchoconstriction

Answer 19

Decreases Ventilation

Question 20

Decreased lung expansion

Answer 20

Decrease ventilation

Question 21

Decreased alveolar surface tension

Answer 21

Increases ventilation

Question 22

Increase airway resistance

Answer 22

Decreases ventilation

Question 23

Presence of surfactant

Answer 23

Increases ventilation

Question 24

If the volume of a space increases, so does the pressure within that space.

Answer 24

False

Question 25

Which of the following are ways in which carbon dioxide (CO2) is transported in the blood?

Answer 25

Bicarbonate Ion HC03-
Bound to globin chains of hemoglobin
Dissolved in plasma

Question 26

The pharynx

Answer 26

conduction zone

Question 27

Correctly order the events of inspiration:

Answer 27

Contraction of inspiratory muscles
Expansion of thoracic cavity
Lungs stretch
Lung volume increases
Intrapulmonary pressure drops

Question 28

Internal respiration

Answer 28

carbon dioxide (CO2) moves from blood into tissues

Question 29

Which of the following factors influences lung compliance?

Answer 29

Elasticity of the lungs
Alveolar surface tension

Question 30

Alveoli:

Answer 30

Form clusters at the end of alveolar ducts for gas exchange

Question 31

Expiration

Answer 31

Occurs when intrapulmonary pressure is greater than atmospheric pressure

Question 32

Forceful Inhilation of air

Answer 32

Inspiratory reserve volume IRV

Question 33

Volume of air moved during normal, resting breathing

Answer 33

Tidal volume

Question 34

Forceful exhalation of air

Answer 34

Expiratory reserve volume ERV

Question 35

Air remaining in lungs after forced exhalation

Answer 35

Residual volume

Question 36

C02 + ___ = H2C03 = H+ + ____

Answer 36

H20 HC03-

Question 37

The lung volume/capacity that represents the total volume of exchangeable air is the:

Answer 37

Vital capacity

Question 38

Which of the following is the most potent stimulator of changes to pulmonary ventilation?

Answer 38

Increased C02 levels

Question 39

Surfactant

Answer 39

Decreases alveolar surface tension

Question 40

During internal respiration:

Answer 40

C02 moves into blood