Quiz 1

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11 Terms

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stroke volume
amount of blood pumped per heart beat
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cardiac output (q)
amount of blood pumped by the heart per minute
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cardiac output equation
Q \= SV x HR
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Fick equation
VO2 \= Q x a-vO2 difference
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what is VO2
oxygen consumption; rate at which oxygen is taken from the environment by the body, pumped to the tissues, and used by the tissues
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what is VO2 max
Maximum ability of CV system to transport O2 to working muscles from the environment
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what are units of VO2
L/min or mL/kg*min
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how can you increase Q
increase SV, HR, or a-v O2 diff
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what is a-v O2 diff
arterial venous oxygen difference
\= difference in the amount of oxygen in the arteries and veins
(the more oxygen is used, the greater the difference)
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what is HRmax based off of
age (220 - age)
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why do athletes