The nurse is preparing NPH insulin and regular insulin in the same syringe. Which step is correct?

Question

Accepted Answer

B. Draw up regular insulin before NPH insulin — When mixing insulins, draw up the clear (regular) insulin before the cloudy (NPH) insulin to avoid contaminating the regular insulin vial.

Answer

A. Draw up NPH insulin before regular insulin

Answer

C. Shake the NPH vial vigorously before drawing it up

Answer

D. Use two different needles to prevent contamination