You inject a 160 lb male patient with 1.0 ml of a saline solution containing a radioactive form of sodium. It has an activity of 5.0 × 10⁴ dpm. After allowing sufficient time for the solution to mix, you remove a 1.0 ml sample of blood and measure its radioactivity. You discover it to have an activity of 11 dpm. What is the patient's blood volume? (Hint: this is similar to a M₁V₁ = M₂V₂ type problem.)

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The Answer of You inject a 160 lb male patient with 1.0 ml of a saline solution containing a radioactive form of sodium. It has an activity of 5.0 × 10⁴ dpm. After allowing sufficient time for the solution to mix, you remove a 1.0 ml sample of blood and measure its radioactivity. You discover it to have an activity of 11 dpm. What is the patient's blood volume? (Hint: this is similar to a M₁V₁ = M₂V₂ type problem.)

You Inject a 160 Lb Male Patient with 1