Traumatic Brain Injury (TBI) Exam Questions with 100% Correct Answers

Concussion Correct Answer Momentary loss of consciousness and reflexes. Contusion Correct Answer Bruising on the surface of the brain is sustained at the time of injury. Small blood vessels on the surface of the brain hemorrhage and lead to condition. Definition of TBI Correct Answer an insult to the brain caused by an external physical force; results in impairment of cognitive/physical function; produce diminished state of consciousness; result in disturbance of behavioral/emotional function What are the two types of head injuries? Correct Answer open and closed head injury Cause of open injury Correct Answer Direct penetration through skull to the brain. (gun shot wounds, knife or sharp object penetration) Outcomes of open injury Correct Answer Location, depth of penetration and pathway determine the extent of brain damage. Cause of closed head injury Correct Answer Concussions, contusions, hematomas, injury to extra cranial blood vessels, hypoxia, drug over dose, near drowning & acceleration or deceleration injuries. Closed or intracranial injury Correct Answer Injury without penetration through skull. Coup injury Correct Answer occurs in the same side of the brain as the impact. (Initial site of injury) Contrecoup injury Correct Answer surface hemorrhages that occur on the opposite side of the trauma as a result of deceleration. (rebound area of impact) Cerebral concussion Correct Answer alteration in mental status followed by brief period of post-traumatic amnesia; complaints of headache, dizziness, lack of coordination in hands, impaired concentration, or memory problems; no structural brain lesions Cerebral contusion Correct Answer brain bruise; objective changes; seen in coup and contra coup; leads to cerebral edema and increase intracranial pressure Cerebral laceration Correct Answer always associated with open head injury; may damage skull, scalp or meninges; pia arachnoid membranes are torn Secondary brain damage Correct Answer occurs as result of primary lesion usually within a few hours; intracranial hematoma, cerebral ischemia and anoxia (caused by swelling), intracranial infection, hydrodcephalus, post traumatic epilepsy, nerve