OEC Chapter 21 Exam Questions and Answers All Correct

OEC Chapter 21 Exam Questions and Answers All Correct 1. For a person to make a fist, which of the following must occur? a. The central nervous system must send a message through the spinal cord and then through the peripheral nerves. b. The central nervous system must send a message through the spinal cord and then through the autonomic nervous system. c. The peripheral nervous system must send a message to the brain and then back through the peripheral nervous system. d. The muscles must signal the brain to send a message through the autonomic nervous system. - Answer-Answer: a Objective: 21-1 Reference: 700 2. Based on the structure of the nervous system, which of the following statements is true? a. A stroke represents an injury to the peripheral nervous system. b. A gunshot wound to the spinal cord will directly damage the peripheral nerves. c. A deep laceration to an arm can sever peripheral nerves. d. Numbness of a leg secondary to a fracture is caused by a central nervous system injury. - Answer-Answer: c Objective: 21-1 Reference: 700 3. Which of the following signs or symptoms might be evident for an injury to the autonomic nervous system? a. Vomiting b. Elevated heart rate c. Inability to move facial muscles d. Trouble remembering one's own name - Answer-Answer: b Objective: 21-5 Reference: 700 4. You are notified that a patient is coming to the first-aid room with bruising to the lumbar area of the back. Based on this statement, you would expect to find bruising in which area? a. The upper back b. The neck c. The lower back d. The buttocks - Answer-Answer: c Objective: 21-3 Reference: 711 5. You respond to an accident at which a male patient is complaining of severe back pain. He informs you that his back pain is coming from a recent fracture of his coccyx. Based on this information, what area of the back would the pain be emanating from? a. The neck b. The upper back c. The tailbone d. The lower back - Answer-Answer: c Objective: 21-3 Reference: 711 6. A patient involved in a motor-vehicle collision has suffered the separation of a rib from a spinal vertebra. Based on the anatomy of the spine, where has this injury occurred? a. The lumbar spine b. The cervical spine c. The middle spine d. The thoracic spine - Answer-Answer: d Objective: 21-3 Reference: 712 7. Based on the anatomy of the spine, which one of the following injuries is possible? a. A fracture of the ninth cervical vertebra b. A dislocation of lumbar vertebra 7 c. A disk injury between thoracic vertebrae 11 and 12 d. A compression fracture of lumbar vertebra 12 - Answer-Answer: c Objective: 21-5 Reference: 699 8. A young intoxicated male patient cannot move his lower extremities after diving into the shallow end of a pool and hitting the bottom with his head. Which of the following mechanisms is most likely to be responsible for this injury? a. Compression b. Rotation c. Distraction d. Penetration - Answer-Answer: a Objective: 21-4 Reference: 702 9. A young female was involved in a motor-vehicle collision in which her car struck the rear end of another vehicle. As a result of the impact, her neck muscles were overstretched and torn. She is complaining of neck pain. Based on this mechanism, the most likely type of injury she has is: a. neural ischemia. b. whiplash. c. translational strain. d. a Jefferson fracture. - Answer-Answer: b Objective: 21-6 Reference: 711