Physical Activity & Disease - ES 2100
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each of the black spaces below before clicking
on it to display the answer.
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| our energy currency is known as... | ATP
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| ATP can be broken down into __ and __ | anaerobic & aerobic
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| we have very little ATP in our body therefore... | it must be replenished at same rate its used
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| anaerobic respiration | fast - no need for O2
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| this type of ATP is slow, has unlimited quantity & requires O2 | aerobic
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| energy is made available when... | ATP splits into ADP
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| as ATP increases , aerobic respiration ___ | increases
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| anaerobic respiration ___ as ATP increases | decreases
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| the ratio between amount of carbon dioxide you breath out & consume | respiration exchange ratio (RER)
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| the RER is determined to see.. | what carbon dioxide is being created
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| as intensity of exercise increases, ___ becomes the main fuel | carbohydrates
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| r= 0.70 when... | fat is only fuel
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| r=1 when... | carbohydrates are main fuel
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| r is between 0.70 and 1 when... | fuel is composed of carbohydrates & fats
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| RER= | volume CO2/ volume O2
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| when the r value is greater than 1 this means... | your'e reaching maximum levels
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| intensity is inversely related to __ | duration
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| your body gets more energy from __ versus sugar | fats
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| vo2 difference is... | how much oxygen is released from arteries by whats left in veins
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| the greater the force or rate at which power is developed, the greater the need for... | ATP
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| long term sources of ATP are provided by: | fat & oxidative metabolism of carbohydrate (CHO)
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| vo2= | volume of oxygen
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| the magnitude of change in vo2 is influenced by.... | vo2 max
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| ___ doesn't increase instantaneously to the level required to generate ATP..it gradually increases until vo2 reached | vo2
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| this type of test is used to evaluate a person's metabolic, cardiovascular and respiratory responses to increase in exercise intensity. | graded exercise test
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| the GXT measurement is usually taken in the... | last 30 seconds
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| oxygen consumption is the product of___ | cardiac output
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| college male vo2max | 45-50 ml/kg/min
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| college femal vo2 max | 35-40 ml/kg/min
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| cardiac patient vo2max | <20 ml/kg/min
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| elite athlete vo2max | >80 ml/kg/min
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| accumulation of lactic acid = | product of the rate & product of clearance
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| LA production increases due to: | increased ADP & EPI levels. increased FT fibers
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| clearance rate decreases due to: | less hepatic blood flow & flow during working muscles
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| venous blood returns the blood from// | the tissues
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| the difference between ocygen content of arterial blood and venous blood is called | oxygen extraction
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