An emergency department nurse is admitting a 16-year-old client who has acute abdominal pain and is accompanied by his grandmother. The client requires an emergency appendectomy. Which of the following statements should the nurse make to the grandmother?

"If his parents agree by phone that you may give consent, we'll need you to sign the form."

"Because he is 16 and this is an emergency, he has to sign the consent form."

"We cannot take him to the surgical suite until one of his parents signs the consent form."

"The doctor will provide consent because his parents are not with him."