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appendicular skeleton - 7 Skeletal System The Appendicular...

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1 7 Skeletal System: The Appendicular Skeleton Answers and Explanations I. Pectoral Girdle and Upper Extremity A. Multiple Choice Questions 1. (c) – The pectoral girdle is a part of the appendicular skeleton. 2. (c) – Only the clavicle has a conoid tubercle. 3. (d) – There is a coronoid process on the mandible and on the ulna, but not on the scapula. 4. (b) – The glenoid cavity is located on the lateral end of the scapula, where it forms a freely movable joint with the head of the humerus. 5. (b) – The ulnar notch is located on the proximomedial end of the radius and articulates with the head of the ulna. 6. (a) – Neither the humerus nor the scapula has a styloid process. 7. (e) – The capitate and trapezium are located in the distal row of carpal bones and do not contact either the radius or ulna. 8. (d) –The trapezium is the most medial of the distal row of carpal bones. B. True–False Questions 1. True – The various borders, fossae, processes, and spine are all sites of muscle attachment. 2. False – The femur is the longest bone in the body. 3. False – The brachium is the proximal region of the upper extremity; the antebrachium is the technical term for the forearm.
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