A nurse is providing discharge teaching to the parents of a child who has a new diagnosis of diabetes mellitus. Which of the following statements by the parents indicates an understanding of the teaching?

"My son might have nausea and vomiting with hypoglycemia."

"My son might complain of feeling shaky when he has a low blood glucose level."

"The onset of low blood glucose usually occurs slowly."

"Sweating can occur with hyperglycemia."