The Nurse Is Teaching a Patient How to Administer Insulin

The nurse is teaching a patient how to administer insulin. The patient is thin with very little body fat. The nurse will suggest injecting insulin:

A) by pinching up the skin and injecting straight down.
B) in the abdomen only with the needle at a 90-degree angle.
C) subcutaneously with the needle at a 45- to 60-degree angle.
D) using the thigh and buttocks areas exclusively.