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PE > The Respiratory System > Flashcards

The Respiratory System Flashcards

1
Q

Define Breathing Rate

A

Breathing Rate - The number of breathes per minute

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2
Q

What is the Resting Average for Breathing Rate?

A

The Resting Average for Breathing Rate is 12-15 breaths per minute

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3
Q

Define Tidal Volume

A

Tidal Volume - The volume of air inhaled/exhaled per breath

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4
Q

What is the Resting Average for Tidal Volume?

A

The Resting Average for Tidal Volume is 500ml

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5
Q

What is Tidal Volume measured in?

A

Tidal Volume is measured in ml

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6
Q

Define Minute Ventilation

A

Minute Ventilation - The volume of air inhaled/exhaled in one minute

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7
Q

What is the word equation for Minute Ventilation?

A

Minute Ventilation = Breathing Rate x Tidal Volume

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8
Q

What is the symbol equation for Minute Ventilation?

A

VE = f x TV

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9
Q

What is the Resting Average for Minute Ventilation?

A

The Resting Average for Minute Ventilation is 6000 ml/min
(12 x 500 = 6000)

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10
Q

What is the symbol for Breathing Rate?

A

The symbol for Breathing Rate is ‘f’

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11
Q

What is the symbol for Tidal Volume?

A

The symbol for Tidal Volume is ‘TV’

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12
Q

What is the symbol for Minute Ventilation?

A

The symbol for Minute Ventilation is ‘VE’

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13
Q

What is the Pathway of Air?

A

The Pathway of Air
- Mouth/Nose
-> Trachea
-> Bronchi
-> Bronchioles
-> Alveoli

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14
Q

What happens at the Alveoli?

A

Alveoli
- Oxygen diffuses into the blood from the Alveoli
- Carbon Dioxide diffuses out of the blood and into the Alveoli
(These happen at the same time)

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15
Q

How does diffusion work in the Alveoli in terms of a Concentration Grade?

A

In the Alveoli, gases diffuse Down the Concentration Grade

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16
Q

Define Inspiration

A

Inspiration - Breathing in

17
Q

Define Expiration

A

Expiration - Breathing out

18
Q

What happens during Inspiration?

A

Inspiration
-Intercostal muscles contract and pull ribs up and out
-> Diaphragm contracts and moves down
-> Lungs increase in size/volume and decrease in pressure
-> Air rushes into the lungs
-> Gaseous exchange takes place in the Alveoli

19
Q

What happens during Expiration?

A

Expiration
- Intercostal muscles relax and pushes ribs down and in
-> Diaphragm relaxes and moves in
-> Lungs decrease in size and increase in pressure
-> Air rushes out of the lungs

PE (11 decks)

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