A 4-Year-Old Patient Is Transported to the Emergency Department by His

A 4-year-old patient is transported to the emergency department by his mother. The patient presents with bruising on his chest and facial contusions. The patient's mother reports that her boyfriend became angry and intentionally pushed the patient down the stairs. The patient appears to be experiencing significant pain. Which action does the nurse take first?

A) Notify the nursing supervisor of the suspected physical abuse.
B) Complete a physical assessment of the child.
C) Obtain an order for pain medication.
D) Notify Child Protective Services of the suspected abuse.