Which of the following structures make up the appendicular skeleton? A) The uppe

Question

Which of the following structures make up the appendicular skeleton? A) The upper & lower limbs. B) The pelvic girdle. C) The shoulder/pectoral girdle. D) All the above. 1. E) A & B only. 2. The bones are in the wrist & there are of them. A) metacarpal; 8 B) metacarpal; 4 C) carpal; 6 D) carpal; 8 The pectoral girdle is comprised of the A) clavicles& sternum. B) clavicles & ribcage. c) sternum & scapulae. D) sternum & ribcage. E) scapulae & clavicles. At A) E) tarsal; 8 3. distal (lateral) end, the clavicle attaches to what part of the scapula? D) Body. 4. B) Acromion process. C) Spine. 5. 6. 7. What part of the scapula does the bumerus articulate with to form the "shoulder joint? A) What muscles lie (attach) above & below the spine of the scapula? A) The A) radius Coracoid process. Glenoid cavity. 30f the 4 rotator cuff muscles. B)Lateral border. C)Acromion. D) Coracoid process. B) The deltoid. C)The teres major. D) The at is the medial forearm bone that articulates with the pinky side of the wrist. E) capitellum C) ulna D) trochlea B) bumerus bone is the most commonly fractured carpal bone and articulates with the bone to form the wrist joint. D) scaphoid; radius A) lunate; ulna B) lunate; radius C scaphoid; uina What structures lie in the carpal tunnel? A) The median nerve. B) The ulnar nerve. C) The flexor tendons of the muscles that flex the fingers. D) A& C. 9. E) B & C are the long bones in the hand (just distal to the wrist bones)& there areof them. A) metatarsals; 8 B) metatarsals; 5 C) metacarpals; 8 D) metacarpals; & there are of them. D) acetabulum; 2 11. The bones we sit on are called the E) ischium; 4 A) ilium; 2 8) pubic; 2 C) ischium; 2

Explanation / Answer

1. (D)

The appendicular skeleton is divided into six major regions: Pectoral girdles (4 bones) - Left and right clavicle (2) and scapula (2). Arms and forearms (6 bones) - Left and right humerus (2) (arm), ulna (2) and radius (2) (forearm).

2. ( D) 8 carpal bones are present in the wrist

3. ( e)

4 ( B) avromion process

5. ( A) he glenoid fossa of the scapula articulates with the humerus to form the glenohumeral joint, better known as the shoulder joint. The clavicle and the acromion join to form the acromioclavicular joint, just superior to the shoulder joint.

6.( c ) teres major

7.( B) humerus

8. ( d)

9. ( d) a,c

10 ( D) 5

11 ( C) The ischial tuberosity (or tuberosity of the ischium, tuber ischiadicum), also known informally as the sit bones, or as a pair the sitting bones is a large swellingposteriorly on the superior ramus of the ischium. It marks the lateral boundary of the pelvic outlet.

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