A nurse is reinforcing teaching with a client who was diagnosed with diabetes mellitus and requires Insulin injections. Which of the following client statements indicates an understanding of the teaching?

"I should dispose of my used syringes in the household trash."

"I will store my current bottle of insulin in the refrigerator."

"I will hold the needle at a 15° angle to my skin."

"I should use an injection site that is 1 inch from the previous site."