单项选择题
是指身体活动对运动员有机体刺激的工作量值与机体应答量值的总和。（ ）
A．运动负荷
B．运动强度
C．运动量
D．运动时间
是指身体活动对运动员有机体刺激的工作量值与机体应答量值的总和。（ ）
A．运动负荷
B．运动强度
C．运动量
D．运动时间
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单项选择题
A nephrologist is educating her patients who has chronic kidney failure secondary to diabetes about how to evaluate the degree of kidney failure progression.She tells her patient that glomerular filtration rate () can be estimated by measuring the levels of some substances. The clearance of which of the following substances is the most accurate estimate for GFR? ()
A nephrologist is educating her patients who has chronic kidney failure secondary to diabetes about how to evaluate the degree of kidney failure progression.She tells her patient that glomerular filtration rate () can be estimated by measuring the levels of some substances. The clearance of which of the following substances is the most accurate estimate for GFR? ()
A．Creatinine
B．Glucose
C．Inulin
D．Paraaminohippurate
(PAH)
E．Sodium