A nurse is reinforcing discharge teaching about preventing infections with the parent of a child who is receiving chemotherapy and has a platelet count of 100,000/mm3. Which of the following statements by the parent indicates an understanding of the teaching?

"I will take my child's rectal temperature daily to ensure the most accurate reading."

"I will make sure my child receives the MMR vaccine by the end of the week."

"I will take my child to the park to ride her new bike."

"I will inspect the inside of my child's mouth for sores every day."