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BMS 251 Lab > Quiz 7 > Flashcards

Quiz 7 Flashcards

1
Q

Device that recaptures expired breath and records such variables such as rate and the depth of breathing, speed of expiration, and rate of oxygen consumption

A

Spirometer

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2
Q

Amount of air inspired or expired

A

Spirometry

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3
Q

1 inspiration, 1 expiration

A

Respiratory cycle

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4
Q

Amount of air that enters or leaves during one cycle

A

Tidal volume

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5
Q

What is the average tidal volume at rest?

A

500 mL

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6
Q

During forced maximal inspiration, volume of air in addition to tidal volume

A

Inspiratory reserve volume

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7
Q

What is the average inspiratory reserve volume?

A

3000 mL

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8
Q

During forced maximal expiration, volume of air in addition to tidal volume is expelled from the lungs

A

Expiratory reserve volume

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9
Q

What is the average expiratory reserve volume?

A

1,100 mL

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10
Q

Amount left in lungs even after the most forceful expiration; maintains oxygen and carbon dioxide levels within the lungs

A

Residual volume

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11
Q

What is the average residual volume?

A

1200 mL

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12
Q

Maximum volume of air a person can exhale after taking the deepest breath possible

A

Vital capacity

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13
Q

How do you find vital capacity?

A

IRV + TV + ERV

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14
Q

What is the average male vital capacity?

A

4800 mL

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15
Q

What is the average female vital capacity?

A

3100 mL

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16
Q

How do you find total lung capacity?

A

Vital lung capacity + residual volume

17
Q

What is the average total lung capacity?

A

5800 mL

18
Q

How do you find minute volume?

A

respiratory rate x TV

19
Q

How do you find airway resistance

A

FEV1/FVC

20
Q

What is considered a healthy airway resistance?

A

Above 75%

21
Q

Found in medulla monitor pH of CSF

A

Central chemoreceptors

22
Q

Found in aortic and carotid bodies

A

Peripheral chemoreceptors

23
Q

Detect CO2 levels in blood and CSF

A

Chemoreceptors

24
Q

If CO2 increase too high, then breathing and heart rate __ to ___ levels to normal

A

increase, decrease

25
Q

While holding your breath, the point in time when another breath needs to be taken

A

Breaking point

26
Q

What determines the breaking point?

A

CO2 levels getting too high

27
Q

What decreases levels of CO2?

A

Hyperventilation

BMS 251 Lab (11 decks)

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