A home health nurse is providing teaching to a client who has diabetes mellitus about the proper disposal of insulin syringes. Which of the following statements by the client indicates an understanding of the teaching?

"I will wear gloves when I discard the syringes."

"I will store used syringes in a biohazard bag before discarding."

"I will take containers of used syringes to the local recycling center."

"I will discard the syringes in a metal container."