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ESA3 > Respiratory > Flashcards

Respiratory Flashcards

1
Q

State Boyle’s Law

A

Pressure is inversely proportional to volume

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2
Q

State Charles’ Law

A

Pressure is directly proportional to temperature

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3
Q

State the universal gas law

A

Pressure x Volume = Gas Constant x Temperature (Kelvin)

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4
Q

What is partial pressure of a gas?

A

The pressure exerted by a single gas in a mixture of gases

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5
Q

Define vapour pressure

A

The pressure of water in vapour form in a gas

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6
Q

Define saturated vapour pressure

A

When rate of gases entering and leaving water at the same time is equal. Sets up an equilibrium.

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7
Q

What is gas tension?

A

How readily a gas will leave a liquid it is dissolved in. At equilibrium/in the body, tension is equal to partial pressure of the gas.

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8
Q

What is the equation used to calculate how much gas is in a liquid?

A

Content = solubility of gas x tension

how easily gas dissolves x how readily it will leave

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9
Q

What two components must be considered to calculate how much gas is in blood?

A

Gas dissolved in plasma and gas bound to heamoglobin

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ESA3 (4 decks)

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