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Physiology > Pulmonary Volumes and Capacities > Flashcards

Pulmonary Volumes and Capacities Flashcards

1
Q

SaO2

A

Percent saturation of hemoglobin of oxygen in arterial blood

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2
Q

PCO2

A

Partial pressure of carbon dioxide

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3
Q

Palv

A

Alveolar pressure

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4
Q

Functional residual capacity

A

ERV + RV

This capacity is the amount of air that remains in the lungs at the end of normal expiration (about 2300 milliliters).

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5
Q

PAO2 and PACO2 in alveolar capillaries

A

PAO2 = 100mmHg

PACO2 = 40mmHg

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6
Q

PO2 and PCO2 in systemic circulation at site of cells

A

PO2 = 40mmHg

PCO2 = ~46mmHg

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7
Q

Dyspnea

A

Shortness of breath or air hunger

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8
Q

VO2

A

Rate of oxygen uptake per minute

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9
Q

SO2

A

Percent saturation of hemoglobin with oxygen

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10
Q

Label pulmonary values for men and women

A
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11
Q

VCO2

A

Amount of CO2 eliminated per minute

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12
Q

PvCO2

A

Partial pressure of CO2 in venous blood

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13
Q

PaO2 and PaCO2 in arterial blood

A

PaO2 = 95mmHg

PaCO2 = 40mmHg

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14
Q

Eupnea

A

Normal or quiet breathing

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15
Q

CvO2

A

Total concentration of oxygen in venous blood

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16
Q

Q

A

Cardiac output

17
Q

PvO2 and PvCO2 in venous blood

A

PvO2 = 40mmHg

PvCO2 = 46mmHg

18
Q

Apnea

A

Cessation of breathing

19
Q

PACO2

A

Partial pressure of carbon dioxide in alveolar gas

20
Q

PaO2

A

Partial pressure of O2 in arterial blood

21
Q

Total lung capacity

A

IRV + TV + ERV + RV

The total lung capacity is the maximum volume to which the lungs can be expanded with the greatest possible effort (about 5800 milliliters).

22
Q

PAO2

A

Partial pressure of oxygen in alveolar gas

23
Q

PaCO2

A

Partial pressure of CO2 in arterial blood

24
Q

CaO2

A

Total concentration of oxygen in arterial blood

25
Q

PvO2

A

Partial pressure of O2 in venous blood

26
Q

PO2

A

Partial pressure of O2

27
Q

Vital capacity

A

IRV + TV + ERV

This capacity is the maximum amount of air a person can expel from the lungs after first filling the lungs to their maximum extent and then expiring to the maximum extent (about 4600 milliliters).

28
Q

VA

A

Volume of alveolar gas

29
Q

R

A

Respiratory exchange ratio

30
Q

Inspiratory capacity

A

IRV + TV

This capacity is the amount of air (about 3500 milliliters) a person can breathe in, beginning at the normal expiratory level and distending the lungs to the maximum amount.

Physiology (17 decks)

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