A nurse is reinforcing teaching about self-administration of insulin with a parent of a school-age child who has a new diagnosis of diabetes mellitus. Which of the following statements by the parent indicates a need for further teaching?

I will be sure my child aspirates before injecting the insulin

The insulin can be injected anywhere there is adipose tissue

The insulin should be injected at a 90-degree angle

I will be sure my child rotates sites after two injections into one site