Human Phys 6.2 Flashcards

1
Q

A

A

Alveolar

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2
Q

a

A

Arterial

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3
Q

Tidal volume

A

Breathing normal (500mL)

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4
Q

Inspiratory reserve volume

A

Breathing in as much air as possible (3000 mL)

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5
Q

Expiratory reserve volume

A

Breathing out as much as possible (1200mL)

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6
Q

Residual volume

A

The air left over in lungs after you have breathed out as much as you can (1200mL)

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7
Q

Lung capacity

A

2 or more lung volumes added together

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8
Q

Inspiratory capacity

A

Tidal volume + inspiratory reserve volume

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9
Q

Vital capacity

A

IRV + TV + ERV

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10
Q

Functional residual capacity

A

ERV + RV

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11
Q

Total lung capacity

A

IRV + TV + ERV + RV

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12
Q

Functional residual capacity line

A

Represents equilibrium point for your lungs (in between TV and ERV)

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13
Q

Dead space

A

Volume of airways and lungs that does not participate in gas exchange

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14
Q

Anatomical dead space

A

Volume of the conducting airways (150 mL of the 500mL of TV)

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15
Q

Physiological dead space

A

Total volume of lungs that does not participate in gas exchange

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16
Q

Minute ventilation

A

Total amount of air moved into and out of respiratory system per minute

17
Q

Respiratory rate of frequency

A

Number of breaths taken per minute

18
Q

Alveolar ventilation

A

TV - dead space (350mL)

19
Q

VC

A

Volume that can be expired after maximal inspiration

20
Q

FVC

A

Volume that can be forcibly expired after maximal inspiration

21
Q

FEV1

A

Volume that can be forcibly expired in 1 second

22
Q

How long does it take for VC to be forcibly expired?

A

3 seconds

23
Q

What is a normal FEV1/FVC ratio?

A

.8 (below indicates COPD)