A Ten-Month-Old Infant Was Admitted to the Pediatric Unit for an Emergency

A ten-month-old infant was admitted to the pediatric unit for an emergency major surgical procedure. The seventeen-year-old mother and the grandfather are present at the bedside when the nurse is about to obtain the consent for the operation. Legally, consent for the infant's medical care:

A) Is not needed since it is an emergency situation
B) Is the responsibility of the mother and she should be the one to sign the consent
C) Should be decided by the family court since the parent is a minor
D) Should be obtained from the grandfather, as he is over eighteen years of age