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Respiratory Physiology

Total questions: 35

Worksheet time: 18mins

Name
Class
Date
1.

breathing in moving air in and out

movement of gases between the atmosphere and alveoli

a)

Pulmonary Ventilation

b)

Inspiration

c)

Expiration

2.

  1. Diaphragm contracts (flattens) & Intercostal muscle contract

  2. active process

  3. requires energy

a)

Pulmonary Ventilation

b)

Inspiration

c)

Expiration

3.

  1. Diaphragm & Intercostal muscle relax

  2. passive process

  3. depends on natural elasticity

a)

Pulmonary Ventilation

b)

Inspiration

c)

Expiration

4.

in pulmonary ventilation, lungs have no means of moving air by themselves. Air move only in response to changes in _____

a)

pressure

b)

purification

c)

difussion

d)

concentration

5.

_____ changes lead to pressure changes leading to the flow of gases to equalize pressure

a)

volume

b)

concentration

c)

altitude

d)

difussion

6.

_____ changes lead to pressure changes leading to the flow of gases to equalize pressure

a)

volume

b)

concentration

c)

altitude

d)

difussion

7.

Forced Expiration

a)

active process

b)

contracting intercostal muscle to depress the rib cage

c)

reflexes

d)

cough, crying, yawn

8.

non respiratory air movement

a)

active process

b)

contracting intercostal muscle to depress the rib cage

c)

reflexes

d)

cough, crying, yawn

9.

maximum amount of air contained in lungs after maximum inspiratory effort

a)

Total Lung Capacity (TLC)

b)

Vital Capacity (VC)

c)

Tidal Volume (TV)

d)

Residual Volume (RV)

10.

maximum amount of air that can be EXPIRED after maximum inspiratory effort

a)

Total Lung Capacity (TLC)

b)

Vital Capacity (VC)

c)

Tidal Volume (TV)

d)

Residual Volume (RV)

11.

amount of air INHALED or EXHALED with each breath under resting conditions

a)

Total Lung Capacity (TLC)

b)

Vital Capacity (VC)

c)

Tidal Volume (TV)

d)

Residual Volume (RV)

12.

amount of air remaining in the lungs after a forced exhalation

a)

Total Lung Capacity (TLC)

b)

Vital Capacity (VC)

c)

Tidal Volume (TV)

d)

Residual Volume (RV)

13.

TLC

a)

4.2 L / 6.0 L

b)

0.5 L

c)

3.1 L / 4.8 L

d)

1.2 L

14.

normal breath in and out capacity

a)

4.2 L / 6.0 L

b)

0.5 L

c)

3.1 L / 4.8 L

d)

1.2 L

15.

with strenuous inhale & exhale volume amount

a)

4.2 L / 6.0 L

b)

0.5 L

c)

3.1 L / 4.8 L

d)

1.2 L

16.

after strenuous exhale

a)

4.2 L / 6.0 L

b)

0.5 L

c)

3.1 L / 4.8 L

d)

1.2 L

17.

VC amount

a)

3.16 / 4.8 L

b)

500 ml

c)

1100 / 1200 ml

18.

TV amount

a)

3.16 / 4.8 L

b)

500 ml

c)

1100 / 1200 ml

19.

RV amount

a)

3.16 / 4.8 L

b)

500 ml

c)

1100 / 1200 ml

20.

simple diffusion of gases between the alveolar air and capillaries

oxygen being picked up by blood

CO2 is dropped off

a)

External Respiration

b)

Partial pressure

c)

Gas Transport

d)

Internal Respiration

e)

Cellular Respiration

21.

exchange of gases between BLOOD and BODY cells

opposite reaction of what occurs in the lungs

CO2 is loaded into blood

O2 unloaded from blood to tissue

a)

External Respiration

b)

Partial pressure

c)

Gas Transport

d)

Internal Respiration

e)

Cellular Respiration

22.

Gas always move from lower PP to higher PP

a)

False

b)

True

23.

HOW is oxygen loaded into the blood?

a)

alveoli has more oxygen than in blood

b)

oxygen moves by diffusion towards area of lower concentration

c)

oxygen moves by diffusion towards area of higher concentration

d)

alveoli has less oxygen than in blood

24.

each gas in the air contributes to the total air pressure according to how much of it there is

a)

External Respiration

b)

Partial pressure

c)

Gas Transport

d)

Internal Respiration

e)

Cellular Respiration

25.

transportation of OXYGEN: plasma & hemoglobin

and CO2: plasma, hemoglobin, and bicarbonate between lungs and body tissue

a)

External Respiration

b)

Partial pressure

c)

Gas Transport

d)

Internal Respiration

e)

Cellular Respiration

26.

breakdown of glucose to produce energy in form of ATP

a)

External Respiration

b)

Partial pressure

c)

Gas Transport

d)

Internal Respiration

e)

Cellular Respiration

27.

during O2 transportation, how much is dissolved in PLASMA

a)

1.5%

b)

98.5%

c)

7%

d)

23%

e)

70%

28.

during CO2 transportation, how much is dissolved in PLASMA

a)

1.5%

b)

98.5%

c)

7%

d)

23%

e)

70%

29.

during CO2 transportation, how much is bound to hemoglobin in RBC

a)

1.5%

b)

98.5%

c)

7%

d)

23%

e)

70%

30.

during CO2 transportation, how much is converted to bicarbonate ion

a)

1.5%

b)

98.5%

c)

7%

d)

23%

e)

70%

31.

plays a role during regular quiet breathing by sending signals to diaphragm & intercostal msucles

a)

Medulla

b)

Pons

c)

Cortical Influences

32.

respiratory group of neurons acts as a modifiers of RHYTHM set by the medulla

coordinates transition between inspiration & expiration

e.g. exercise, laughing, speaking

a)

Medulla

b)

Pons

c)

Cortical Influences

33.

along with medulla, _____ is activated when there is an INCREASE in PCO2 and LOW pH level

a)

Medulla

b)

Pons

c)

Cortical Influences

d)

Central Chemoreceptors

e)

Peripheral Chemoreceptors

34.

voluntarily alter breathing patterns

emotions exerts influence via limbic system and hypothalamus

control limited PCO2 & H+ in blood

a)

Medulla

b)

Pons

c)

Cortical Influences

d)

Central Chemoreceptors

e)

Peripheral Chemoreceptors

35.

along with medulla, _____ in carotid and aorta

is activated when there is an INCREASE in PCO2 and DECREASE in PO2 pH

a)

Medulla

b)

Pons

c)

Cortical Influences

d)

Central Chemoreceptors

e)

Peripheral Chemoreceptors

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