After Assisting with a Needle Biopsy of the Liver at a Patient's

After assisting with a needle biopsy of the liver at a patient's bedside,the nurse should

A) put pressure on the biopsy site using a sandbag.
B) elevate the head of the bed to facilitate breathing.
C) place the patient on the right side with the bed flat.
D) check the patient's postbiopsy coagulation studies.