plasma fluid , electrolyte , protein , renin , and vasoactive hormone ( epinephrine , norepinephrine , vasopressin ) responses were measured in six women ( 21-23 yr ) and four men ( 21-38 yr ) before and immediately following an orthostatic tolerance test ( 70 degrees head-up tilt ) and a +gz ( head-to-foot ) acceleration tolerance test ( 0.5 g x min-1 linear ramp to grayout ) .
C0014563
epinephrine
C0028351
norepinephrine