PowerPoint® Lecture Slides prepared by Agnes Yard and Michael Yard C h a p t e r 7 The Skeletal System: Appendicular Division PowerPoint® Lecture Slides prepared by Agnes Yard and Michael Yard Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings

The perineum corresponds to the region of the: a. pelvic brim b. pelvic inlet c. pelvic angle d. pelvic outlet Answer: D

Which bone feature is found on the lateral surface of the hip bone? a. ischial tuberosity b. auricular surface c. acetabulum d. obturator groove Answer: C

Which bone lies medial in the anatomical position? a. ulna b. cuboid c. fibula d. trapezium Answer: A

Which of the following statements regarding the navicular bone is false? a. It is located on the lateral side of the ankle. b. The distal surface articulates with the three cuneiform bones. c. It articulates with the anterior surface of the talus. d. It has an attachment site for the Achilles tendon. Answer: A

Which of the following statements is true? a. The lesser pelvis is formed by structures inferior to the iliopectineal line. b. The lesser pelvis forms the boundaries of the pelvic cavity. c. The bony edge of the lesser pelvis is called the pelvic brim. d. all of the above Answer: D

Which bone feature forms the point of the elbow? a. capitulum b. coronoid process c. trochlea d. olecranon process Answer: D

Which of the following information can be revealed by a comprehensive study of a human skeleton? a. medical history and race b. sex and age estimation c. number of births, if an adult female skeleton d. a and b Answer: D

Which bone feature of the upper extremity marks the attachment site of the biceps brachii muscle? a. lesser tubercle b. greater tubercle c. radial tuberosity d. ulnar tuberosity Answer: C

When seated, the body weight is borne by which of the following? a. ischial tuberosity b. ischial spines c. inferior rami of pubis d. posterior inferior iliac spines Answer: A

Which statement regarding distribution of body weight is true? a. During dorsiflexion of the foot, all of the body weight rests on the calcaneus. b. During dorsiflexion of the foot, all of the body weight rests on both the talus and calcaneus. c. During plantar flexion, both the talus and calcaneus bear the weight of the body. d. When standing normally, the body weight is distributed evenly between the calcaneus and the distal ends of the tarsal bones. Answer: A

Which of the following accurately describes the only direct connection between the pectoral girdle and the axial skeleton? a. the acromioclavicular joint b. the glenohumeral joint c. the sternoclavicular joint d. the xiphisternal joint Answer: C

Most of the anterior surface of the scapula is formed by: a. the suprascapular fossa b. the subscapular fossa c. the infraspinous fossa d. the supraspinous fossa Answer: B

Which humeral feature marks the insertion point of the subscapularis muscle? a. greater tubercle b. coracoid process c. supraglenoid tubercle d. lesser tubercle Answer: D

Which of the following statements regarding the pelvic girdle and lower limbs is not accurate? a. The term “leg” refers only to the distal portion of the limb. b. The bones of the pelvic girdle support and protect the lower viscera, including the reproductive organs and developing fetus in females. c. The “pelvis” is a composite structure that consists of the hip bones plus the sacrum and coccyx of the appendicular skeleton. d. none of the above Answer: C

Which of the following features is/are attached to ligaments and tendons associated with the shoulder joint? a. scapular spine b. coracoid process c. supraglenoid tubercle d. coronoid process Answer: B

The intertrochanteric line does not: a. develop where large tendons attach to the femur b. mark the distal edge of the articular capsule c. continue around to the posterior surface d. None of the above Answer: A

A stabilizing ligament attaches to the femoral head at the: a. neck b. greater trochanter c. fovea d. lesser trochanter Answer: C

The male pelvis differs from the female pelvis in that: a. It has a wider, more circular pelvic inlet. b. Its pubic angle is less than 100 degrees. c. The curvature of the sacrum and coccyx is less and does not arc into the pelvic outlet. d. b and c Answer: B

Which of the following bones articulate(s) with the radius? a. pisiform b. triquetrum c. scaphoid d. b and c Answer: C

Which of the following statements regarding the ulna is false? a. A triangular articular cartilage attaches to the ulnar styloid process. b. The olecranon process is the superior and posterior portion of the distal epiphysis. c. The coronoid process forms the inferior lip of the trochlear notch. d. The radial notch accommodates the head of the radius. Answer: B

Which of the following statements regarding the humerus is false? a. The trochlea is the spool-shaped, medial condylar structure, which articulates with the ulna. b. The articular condyle dominates the distal, inferior surface of the humerus, divided by a low ridge. c. The rounded capitulum forms the lateral surface of the humeral condyle, which articulates with the head of the radius. d. On the anterior surface, the radial groove runs along a margin of the deltoid tuberosity. Answer: D

The ischial ramus fuses with the: a. superior ramus of the pubis b. inferior ramus of the pubis c. iliac body d. pubic crest Answer: B

Which of the following does not accurately describe the pectoral girdle? a. The scapula is the only direct connection between the pectoral girdle and the axial skeleton. b. The scapula has no direct bony or ligamentous connections to the thoracic cage. c. The clavicle articulates with the manubrium of the sternum. d. Movements of the clavicle and scapula position the shoulder joint and provide a base for arm movement. Answer: A

When comparing the male skull to the female skull, which of the following is false? a. The teeth of the male skull are larger. b. The forehead of the male skull is more sloping. c. The general appearance of the female skull is lighter with a smoother surface. d. The sinuses of both male and female skulls are about the same. Answer: D

Which of the following statements is an inaccurate description of the clavicle? a. It braces the shoulder. b. It transfers some of the weight of the upper limb to the axial skeleton. c. It originates at the medial border of the manubrium. d. It curves laterally and dorsally until it articulates with the acromion of the scapula. Answer: C