This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head Injury, Subject name: Surgery
[{'content': 'Lucid Interval is seen in? \nSelect and explain. \nA. Extradural hemorrhage, B. Subdural hemorrhage, C. Subarachnoid hemorrhage, D. All of these', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ANSWER: (A) Extradural hemorrhageREF: Bailey and love 25tn edition page 303, Schwartz\'s Principles of Surgery 9th edition chapter 42. Neurosurgery,"The classical presentation of an EDH, occurring in less than one-third of cases, is initial injury followed by a lucid interval when the patient complains of a headache but is fully alert and orientated with no focal deficit. After minutes or hours a rapid deterioration occurs, with contralateral hemiparesis, reduced conscious level and ipsilateral pupillary dilatation as a result of brain compression and herniation"', 'role': 'assistant'}]