A nurse is reinforcing teaching about insulin injections with a client who is newly diagnosed with type I diabetes mellitus. Which of the following information should the nurse include about site selection?

Rotate the injection site after 4 to 6 injections to prevent lipohypertrophy.

Insulin is absorbed most rapidly when injected in the thigh.

Use cold insulin for injection to minimize site pain.

Massage the site after injection to promote absorption.