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Systems 1 - The Respiratory System > Ventilation and Compliance 1 > Flashcards

Ventilation and Compliance 1 Flashcards

1
Q

What is the definition of anatomical dead space?

A

Approx. 150ml and is the volume of gas occupied by the conducting airway and this gas is not available for exchange

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2
Q

What is the definition of TV?

A

Tidal volume - the volume of air breathed in or out of the lungs at each breath at rest

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3
Q

What is the definition of ERV?

A

Expiratory reserve volume - the maximum volume of air which can be expelled from the lungs at the end of a normal expiration

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4
Q

What is the definition of IRV?

A

Inspiratory Reserve Volume - the maximum volume of air which can be drawn into the lungs at the end of a normal inspiration

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5
Q

What is the definition of RV?

A

Residual Volume - the volume of gas in the lungs at the end of a maximal expiration

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6
Q

What is the definition of VC?

A

Vital Capacity - Tidal Volume + Inspiratory Reserve Volume + Expiratory Reserve Volume

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7
Q

What is the definition of TLC?

A

Tender loving care… jokes none of you degenerates deserve that get on and revise.

TLC - Total Lung Capacity - Vital Capacity + Residual Volume

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8
Q

What is the definition of IC?

A

Inspiratory Capacity - Tidal Volume + Inspiratory Reserve Volume

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9
Q

What is the definition of FRC?

A

Functional Residual Capacity = Expiratory Reserve Volume + Residual Volume

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10
Q

What is the definition of FEV1?

A

Forced Expiration in 1 second

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11
Q

What is the definition of FEV1:FVC?

A

Fraction of Forced Vital Capacity expired in 1 second

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12
Q

What is Pulmonary (Minute) Ventilation?

A

Total air movement into/out of lungs (totally useless)

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13
Q

What is Alveolar Ventilation?

A

Fresh air getting to alveoli and therefore available for gas exchange

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14
Q

What is the typical Tidal Volume?

A

500ml

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15
Q

What is the typical Inspiratory Inspiratory reserve volume?

A

3000ml

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16
Q

What is the typical Expiratory reserve volume?

A

1100ml

17
Q

What is the typical reserve volume?

A

1200ml

18
Q

What is the typical Vital Capacity?

A

4600ml

19
Q

How is Alveolar Ventilation measured?

A

Tidal volume - Anatomical dead space (150ml) multiplied by breath rate

20
Q

What is the typical alveolar ventilation?

A

4200ml/min

21
Q

How is partial pressure determined?

A

The percentage of the given gas as a proportion of the total atmospheric pressure

Systems 1 - The Respiratory System (25 decks)

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