The Mother of a Newborn Asks Why the Baby Received

The mother of a newborn asks why the baby received a vitamin shot and what it was. What should the nurse respond to the mother about the vitamin and the purpose?

A) Vitamin A, which prevents vision problems
B) Vitamin E, which is an antioxidant that stimulates growth
C) Vitamin K, which prevents hemorrhagic conditions in newborns
D) Vitamin D, which is necessary for digestion and absorption of milk