Question: The isotope 24 Na is a emitter with a half-life of 15 h. A saline solution containing this radioactive isotope with an activity of

The isotope ²⁴Na is a β emitter with a half-life of 15 h. A saline solution containing this radioactive isotope with an activity of 600 kBq is injected into the bloodstream of a patient. Ten hours later, the activity of 1 mL of blood from this individual yields a counting rate of 60 Bq. Determine the volume of blood in this patient.

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