A Teen Is Experiencing a Headache and Dizziness After Falling

A teen is experiencing a headache and dizziness after falling of a bicycle and hitting the head.The physician diagnoses a concussion.What explanation should the nurse provide to the patient's mother?

A) The patient may lose consciousness before beginning to recover.
B) The patient has had some intracranial bleeding but should recover in time.
C) The patient has had a minor head trauma and should recover spontaneously.
D) The patient may need to have surgery to relieve increased intracranial pressure.