A nurse is teaching the parent of a preschool-age child about digoxin administration. Which of the following statements by the parent indicates an understanding of the teaching?

"I will take my child's pulse for 30 seconds before giving the medication."

"I will mix the medication in a glass with 4 ounces of orange juice."

"I will repeat the dose if she vomits after taking the medication."

"I will tell my child to brush her teeth after she takes this medication."