The Nurse Is Teaching the Parents of a Boy Who

The nurse is teaching the parents of a boy who has inadequate pituitary function and delayed puberty about testosterone cypionate injections. Which statement by the parents indicates a need for further teaching?

A) "He will need radiographs (x-rays) of his hands every 6 months."
B) "Injections will be given deep into his gluteal muscles."
C) "Sexual development will occur in 3-4 months."
D) "His serum testosterone levels will need to be monitored."