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15
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The body’s detergent-like lipid and protein complex that helps reduce surface tension of alveolar fluid.
Surfactant
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15
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What is anatomical dead space?
Does not contribute to gas exchange. Consists of air that remains in passageways; ~150 ml out of 500 ml TV
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What is total dead space?
sum of anatomical and alveolar dead space
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15
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What is space occupied by nonfunctional alveoli? Can be due to collapse or obstruction.
Alveolar dead space
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What is a spirometer?
Apparatus which is often used to measure the volume of air exchange
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trap
No points!
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seesaw
Swap points!
Okay!
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gift
Win 10 points!
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lifesaver
Give 15 points!
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15
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What is decompression sickness? ("the bends")
occurs when a diver is submerged in water beyond a certain depth and returns too quickly to the surface
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thief
Give points!
5
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25
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rocket
Go to first place!
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fairy
Take points!
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25
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banana
Go to last place!
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25
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What is Vital capacity (VC)?
sum of TV + IRV + ERV
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25
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What is Functional residual capacity (FRC)?
sum of RV + ERV
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boom
Lose 50 points!
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seesaw
Swap points!
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shark
Other team loses 20 points!
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thief
Give points!
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20
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What law states that when a gas is in contact with a liquid, the gas will dissolve in the liquid in proportion to its partial pressure?
Henry's law
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20
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What law states that the total pressure exerted by mixture of gases is equal to sum of partial pressures exerted by each gas?
Dalton's law
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20
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Flow of gases into and out of alveoli over time
Alveolar ventilation rate (AVR)
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heart
Other team wins 20 points!
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shark
Other team loses 15 points!
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rocket
Go to first place!
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banana
Go to last place!
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20
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What is residual volume (RV)?
Amount of air that always remains in lungs. Needed to keep alveoli open
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