Apitcher was hit on the right side of his head by a baseball. he fell to the ground and was unconscious for about four minutes. when he awoke, he complained of a severe headache and considerable pain and was rushed to hospital. he was initially conscious but suddenly became drowsy. on examination, a large bruise was observed on his right temple and his right pupil was dilated. a radiograph of his cranium revealed a fracture of the squamous part of the temporal bone. an mri showed an extradural (epidural) hematoma. which of the following statements best describes the most likely cause of the pitcher’s symptoms and signs? fracture of the calvaria and rupture of the anterior branch of the middle meningeal artery. compression of the brain by a dural border (subdural) hematoma. hemorrhage into the subarachnoid space. a cerebral laceration resulting from a depressed cranial fracture.