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A 2 mL solution containing 1.40 uCi/mL is injected into the blood stream of a patient. After dilution, a 1 mL sample is withdrawn and found to have an activity of 2.9 * 10-4uCi. Calculate the blood volume,

A 1.40 mL sample of red blood cells containing chromium -51 as a tracer was injected into a patient. After several hours a 5.50 mL sample of blood was drawn and its activity. If the collected sample activity was 0.19% of the orginal tracer, calculate the total blood volume of the patient.

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