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1. The extracellular fluid (ECF) volume varies with the size of the person. Suppose in an individual we determine that the ECF is 14 L. The average (Na’) in the ECF is about 140 mm. Assume the mass of Nat is 23. A. What is the total amount of Nat in the ECF in grams? (10 pt) B. Suppose this person works out and sweats 1.5L with an average (Na”) of 50 mM. During this time the urine butput is 30 mL with an average [Na] of 600 mm. How much Na+ is lost during the workout in grams? (10 pt) C. If the person does not drink fluids at all during the workout, what will be the [Na”) in the plasma at the end of the workout in mM? Assume that all of the fluid in the sweat and urine originated from the ECF (10 pt) MacBook Pro da F DIE FB DO FO
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