Lecture 4-Properties of Gases Flashcards

1
Q

What is the atmospheric pressure at sea level?

A

101 kPa

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2
Q

What is the equation to calculate the amount of gas dissolved?

A

Partial pressure x solubility coefficient of the gas

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3
Q

What is the pO2 in alveolar air and arterial blood supposed to be?

A

13 kPa

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4
Q

What is the pCO2 in alveolar air and arterial blood supposed to be?

A

5.3 kPa

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5
Q

What is decompression sickness or the Bends?

A

As a diver goes deeper, nitrogen moves from high to low pressure ie lungs to blood. A slow return to the surface lets nitrogen return to the lungs but swimming up too quickly doesn’t give enough time and can lead to painful gas bubbles in the blood

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