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20 Cards in this Set
- Front
- Back
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What controls breathing?
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the Medulla Oblongata
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What is the normal pH for blood?
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7.4 (just slightly basic/alkalytic)
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Forced deep breathing that occurs when the body is pushing out too much CO2.
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Hyperventilation
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During Hyperventilation, blood pH changes to___ Indicating Respiratory Alkalosis?
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7.5-7.6
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During hyperventilation, the respiratory center in the medulla oblongata is?
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depressed
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Hyperventilation is reversed by?
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rebreathing
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breathing in and out of a paper bag to increase CO2 and decrease pH is called?
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rebreathing
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this instrument measures the volume of air in/out of the lungs
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spirometer
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The normal amount of air that moves in/out with a breath
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Tidal Volume (TV)
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What three things affect Tidal Volume?
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Age, Weight and sex
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the amount of air that passes in/out of the lungs in one minute
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Minute Respiratory Volume (MRV)
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what is the formula to determine Minute Respiratory Volume (MRV)?
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# of Resp/minute x TV= MRV
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extra amount of air expired beyond Tidal Volume (TV)
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Expiratory Reserve Volume (ERV)
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Most air in/out. Big breath in/Big breath out
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Vital Capacity (VC)
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what is the formula to determine Vital Capacity?
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TV+ERV+IRV=VC
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the most amount of air INTO the lungs
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Inspiratory Capacity (IC)
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what is the formula to determine Inspiratory Capacity (IC)
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VC-ERV=IC
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Extra air breathed in beyond the tidal volume (TV)
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Inspiratory Reserve Volume (IRV)
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What is the formula to determine IRV?
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IC-TV=IRV
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Air that cannot be expelled from the lungs
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Residual Volume (RV)
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