A 020-ML Sample of a Solution Containing H That Produces

Multiple Choice

A 0.20-mL sample of a solution containing H that produces 3.7 $\times$ 10³ cps is injected into the bloodstream of an animal.After allowing circulatory equilibrium to be established,a 0.20-mL sample of blood is found to have an activity of 37 cps.Calculate the blood volume of the animal.

A) 0.50 L
B) 20 mL
C) 10 mL
D) 100 mL
E) none of these