SOLVED

41) Which of the following statements about the impact of motorcycle helmet usage is TRUE? A) Helmet use moderately increases the incidence of cervical spine injury. B) Helmet use moderately decreases the incidence of cervical spine injury. C) Helmet use substantially decreases the incidence of cervical spine injury. D) Helmet use neither increases nor decreases the incidence of cervical spine injury. 42) Which of the following mechanisms in a motor vehicle collision would most likely result in a tear of the liver at the ligamentum teres? A) Gradual deceleration B) Sudden acceleration C) Sudden deceleration D) Gradual acceleration 43) Which of the following statements is NOT true of occupant ejection in motor vehicle collisions? A) Ejection accounts for 27 percent of motor vehicle fatalities. B) The number of occupant impacts increases with ejection. C) Ejection has not been reported with lateral-impact collisions. D) Ejection is most often associated with frontal-impact collisions. 44) Which of the following may result from aggressive ventilation of the blast patient? A) Emboli B) Pericardial tamponade C) Hemorrhage D) Acidosis 45) A vehicle is struck in its right front as it passes through an intersection, resulting in an oblique impact. Which of the passengers is subjected to the greatest acceleration forces? A) The right-rear passenger B) The left-rear passenger C) The front-seat passenger D) The driver 46) You have responded to a soccer field on which two 13-year-olds have collided during a game. Which of the following findings in either patient requires ambulance transport for further evaluation in the emergency department? A) Weakness in the upper extremities B) Complaint of “getting the wind knocked out of me” C) Contusion to the thigh D) Minor epistaxis 47) Which type of motor vehicle collision is most common in rural areas? A) Frontal B) Lateral C) Rollover D) Rear-end 48) You are the first arriving unit for injured persons due to a propane tank explosion. The first patient you notice is a young adult male who appears to be seriously injured. Which of the following should you do first? A) Request an arson investigator to come to the scene. B) Locate all patients. C) Do a scene size-up and establish incident command. D) Begin resuscitation of any patients who are apneic and/or pulseless. 49) Which of the following is TRUE of supplemental restraint systems? A) They may deploy during rescue operations, injuring the patient and/or EMS personnel. B) When worn incorrectly, they may cause spinal injury or decapitation. C) They guard against thoracic impact with the steering wheel. D) They are primarily useful in preventing injury to infants and children riding in the front seat. 50) Which of the following mechanisms may result in a conventional explosion? A) Fumes B) Dust C) Aerosol propellants