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Body Systems > Lungs > Flashcards

Lungs Flashcards

1
Q

What is the upper respiratory tract?

A

Nose, paranasal sinuses, pharynx, larynx

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2
Q

How would you measure airway resistance?

A

Volume of air expired in one second / forced breathing out

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3
Q

Tidal Volume?

A

Normal breathing, from expiration to inspiration. M= 500 mLs. F= 400mLS

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4
Q

Functional Residual capacity (FRC)?

A

After normal expiration the volume of air left in the lungs.

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5
Q

How would you calculate FRC?

A

FRC = Residual volume + Expiratory Reserve volume

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6
Q

Expiratory Reserve Volume (ERV)?

A

The amount of air that can be exhales forcefully, after normal exhale. M= 1000 F= 700

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7
Q

Inspiratory Reserve Volume (IRV)?

A

After normal inspiration the amount of air that can be forcefully inspired. M=4900, F= 4200

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8
Q

Residual Volume (RV)?

A

The air remaining in the lungs after maximum expiration. M=1200 F= 1100

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9
Q

What is the equation for VC?

A

VC=IRV + TV + ERV

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10
Q

What is the equation for VC?

A

VC=IRV + TV + ERV

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11
Q

Inspiration Capacity

A

Maximum amount of air that can be inspired after a normal expiration,

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12
Q

Give an equation for IC

A

IC = TV + IRV

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13
Q

Functional Residual capacity (FRC)?

A

Volume of air remaining in the lungs after a normal tidal expiration

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14
Q

Give an equation for FRC

A

FRC = RV + ERV

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15
Q

Total Lung capacity (TLC)?

A

Maximum amount of air contained in lungs after a maximum inspiratory effort. M=6000 F= 4200

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16
Q

Give an equation for TLC

A

TLC = TV + ERV _RV

17
Q

Pulmonary Ventilation (Minute) Rate?

A

Amount of air moved per minute

18
Q

Equation for pulmonary Ventilation rate

A

Tidal volume x breathing rate

19
Q

Why is pulmonary ventilation different from alveolar ventilation?

A

Not all air inspired reached the alveoli as it goes through conducting passages

20
Q

Alveolar ventilation?

A

The amount of air reaching the alveoli each minute.

21
Q

Equation for Alveolar Ventilaiton?

A

Respiratory rate x (TV - anatomical dead space)

Body Systems (8 decks)

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