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HSF > HSF 2 - Unit 2 Physiology: Pulmonary Physiology Quiz Preparation > Flashcards

HSF 2 - Unit 2 Physiology: Pulmonary Physiology Quiz Preparation Flashcards

1
Q

what are the different types of lung volumes?

A

tidal, inspiratory reserve, expiratory reserve, residual

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2
Q

what are lung capacities?

A

the sum of one or more lung volumes

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3
Q

vital capacity

A

IRV + TV + ERV

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4
Q

inspiratory capacity

A

IRV + TV

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5
Q

functional residual capacity

A

ERV + IRV

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6
Q

total lung capacity

A

IRV + TV + ERV + RV

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7
Q

what is eupnea?

A

normal or quiet breathing

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8
Q

what is dyspnea?

A

shortness of breath or air hunger

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9
Q

what is apnea?

A

cessation of breathing

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10
Q

Palv

A

alveolar pressure

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11
Q

PO2

A

partial pressure of oxygen

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12
Q

PaO2

A

partial pressure of oxygen in arterial blood

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13
Q

PCO2

A

partial pressure of carbon dioxide

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14
Q

PvO2

A

partial pressure of oxygen in venous blood

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15
Q

PaCO2

A

partial pressure of CO2 in arterial blood

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16
Q

PvCO2

A

partial pressure of CO2 in venous blood

17
Q

PACO2

A

partial pressure of CO2 in alveolar gas

18
Q

PAO2

A

partial pressure of oxygen in alveolar gas

19
Q

SO2

A

percent saturation of hemoglobin with oxygen

20
Q

SaO2

A

percent saturation of hemoglobin with oxygen in arterial blood

21
Q

CaO2

A

total concentration of oxygen in arterial blood

22
Q

CvO2

A

total concentration of oxygen in venous blood

23
Q

VA

A

volume of alveolar gas

24
Q

VO2

A

rate of oxygen uptake per minute

25
Q

VCO2

A

amount of CO2 eliminated per minute

26
Q

R

A

respiratory exchange ratio

27
Q

Q

A

cardiac output

28
Q

PO2 normal value for leaving capillary

A

100 mmHg

29
Q

PCO2 normal value for leaving capillary

A

40 mmHg

30
Q

PaO2 normal value for arterial blood

A

95 mmHg

31
Q

PaCO2 normal value for arterial blood

A

40 mmHg

32
Q

PvO2 normal value for venous blood

A

40 mmHg

33
Q

PvCO2 normal value for venous blood

A

46 mmHg

34
Q

what are the general trends of changes in PO2 through the circulation?

A

in systemic venous blood stays same at around 40 mmHg, once enters pulmonary capillaries goes up to around 100 mmHg, drops slightly as mixed with pulmonary shunt blood then plateaus at just under 100 mmHg in systemic arterial blood, drops as in systemic capillaries and plateaus again at 40 when returns to systemic venous blood

HSF (23 decks)

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