Problem: The nurse is administering oral metoprolol. Where are the receptor sites mainly located? Bronchi Uterus Heart Blood vesselsThe nurse working in the emergency department receives a call from the x-ray department communicating that the client the nurse is caring for has a fracture in the shaft of the tibia. The nurse tells the health care provider that the client's fracture is in the epiphysis. lordosis. diaphysis. scoliosis.