The nurse needs to prepare 500 mL of 1/3 strength Ensure solution for a tube feeding. How many milliliters of full-strength Ensure will the nurse use to make this solution?
1. 126 mL
2. 138 mL
3. 149 mL
4. 167 mL
4
Rationale 1: The nurse would use the equation 500 mL x 1/3 = 500/3 = 166.67 or 167 mL of full-strength Ensure to make the solution.
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