OEC Chapter 20 Exam Questions with Correct Answers

OEC Chapter 20 Exam Questions with Correct Answers 1. The type of muscle found in the forearm is: a. voluntary muscle. b. involuntary muscle. c. integumentary muscle. d. contractor muscle. - Answer-Answer: a Objective: 20-1 Reference: 608 2. The closed fracture of which of the following bone(s) has the greatest potential for internal blood loss? a. The tibia/fibula b. The femur c. The humerus d. The pelvis - Answer-Answer: d Objective: Supplemental Reference: 642 3. Which of the following statements about voluntary muscles is true? a. They are mostly located on the torso of the body. b. They make up less mass in the body than do involuntary muscles. c. They have the ability to cause movement by extending. d. They generally connect to the skeletal system. - Answer-Answer: d Objective: 20-1 Reference: 608 4. During your SAMPLE inquiry, a patient reports that he had surgery to repair a torn ligament. Based on your training, you know that a ligament is: a. a thick muscle that surrounds a joint. b. a tissue that stabilizes two contiguous bone ends. c. a muscle that connects to a bone. d. connective tissue that connects muscle and bone. - Answer-Answer: b Objective: 20-1 Reference: 607 5. Which of the following statements about musculoskeletal injuries is true? a. A sprain is an injury to a joint that involves the stretching or tearing of ligaments. b. Strains are injuries that occur to ligaments and to the joints to which they are attached. c. A fracture occurs when a tendon connecting a muscle to a bone is overstretched and becomes injured. d. A dislocation occurs when a bone that forms part of a joint is broken. - AnswerAnswer: a Objective: 20-4 Reference: 612 6. The _____________ can be injured when a hip is dislocated, resulting in numbness or paralysis of a lower extremity. a. cranial nerve b. sciatic nerve c. tibial nerve d. central nervous system - Answer-Answer: b Objective: 20-7 Reference: 631 7. You are assessing a 47-year-old woman who fell about 20 feet from a chair lift. When you palpate her pelvis you note instability, and she complains of pain. Which of the following is your primary concern for a patient who has a potential pelvic fracture? a. Risk of infection b. Internal blood loss c. Severe pain d. Permanent deformity - Answer-Answer: b Objective: Supplemental Reference: 631, 642 8. Which of the following signs has the potential for the most immediate life-threatening consequences? a. Deformity of the femur b. An open fracture of the forearm c. Dislocation of two fingers d. Crepitus in the mid-humerus - Answer-Answer: a Objective: 20-7 Reference: 615 9. You are treating a patient who is complaining of moderate pain in the right knee. The knee is swollen, ecchymotic, and flexed about 45 degrees. CMS is intact. How would you treat this patient? a. Place the patient on a long spine board and transport to the aid room, where you can examine the injury more efficiently. b. Straighten the injured knee and then immobilize it by attaching it to the other leg. c. Splint the knee in the position found before moving the patient. d. Apply a traction splint and straighten the knee until the pain is decreased. - AnswerAnswer: c Objective: 20-7 Reference: 665 10. Your patient was struck in the right upper arm with a baseball bat. Which of the following signs or symptoms indicates the highest probability that the humerus has been fractured? a. Crepitus felt on palpation b. Pain in the right upper arm c. Swelling in the upper arm d. Decreased sensation in the right hand - Answer-Answer: a Objective: 20-7 Reference: 621