Skeletal System
8. According to Figures 8-19 and 8-20
a. The humeroulnar joint is a hinge joint that is known as the elbow.
1. According to Figures 8-2 and 8-3
a. The osteon is the structural unit for compact bone.
9. Which of the following is true of the foramen magnum? It is
a. a large hole through which the brain exits the cranium.
6. Depression of the red bone marrow
a. causes a life-threatening decline in blood cells.
9. According to Figures 8-19 and 8-21
b. Movement at the hip joint allows for adduction and abduction of the thigh: it also allows for flexion, extension, and hyperextension of the thigh.
5. To determine the approximate length of the humerus, you would measure from the
b. acromion to the olecranon process.
Multiple Choice 1. The epiphyseal disc is
b. composed of cartilage and is involved in the growth of long bones.
10. C1 to C7, T1 to T12, and L1 to L5 are
b. vertebrae
3. Which of the following is not true of the acetabulum?
c. Articulates with the greater trochanter
8. Which of the following is not true of the skull?
c. Cranial bones include zygomatic, frontal, occipital, and temporal bones.
2. According to Figure 8-5
c. Osteoblasts are bone-building cells (as in the bricklayer).
4. According to Figures 8-10, 8-11, and 8-12
c. The atlas and axis are cervical vertebrae.
3. According to Figures 8-7, 8-8, and 8-9
c. The frontal, zygomatic, and sphenoid bones help form the eye socket.
2. Osteoclastic activity
c. stimulates bone breakdown
7. Identify the movement at the elbow that decreases the angle at the humeroulnar joint.
d. Flexion
6. According to Figure 8-15
d. The acetabulum is formed by all three parts of the coxal bone.
5. According to Figures 8-13 and 8-14
d. The second rib is at the level of the sternomanubrial joint.
7. According to Figures 8-16 and 8-17
d. The talus articulates with the distal tibia and fibula.
4. The atlas and axis
d. are vertebrae that allow the head to move
Matching: Joints and Joint Movement a. ball-and-socket b. adduction c. flexion d. pronation e. dorsiflexion f. circumduction g. extension h. plantar flexion i. abduction j. supination
1. C. Flexion 2. J. Supination 3. I. Abduction 4. H. Plantar flexion 5. C. Flexion 6. A. Ball-and-socket 7. F. Circumduction 8. B. Adduction 9. D. Pronation 10. G. Extension
Matching: Long Bone a. epiphysis b. spongy bone c. epiphyseal disc d. diaphysis e. medullary cavity f. haversian system g. osteoblast h. osteoclast i. red bone marrow j. periosteum
1. D. Diaphysis 2. C. Epiphyseal disc 3. G. Osteoblast 4. I. Red bone marrow 5. J. Periosteum 6. A. Epiphysis 7. B. Spongy bone 8. F. Haversian system 9. H. Osteoclast 10. E. Medullary cavity
Matching: Names of Bones a. femur b. scapula c. mandible d. ulna e. sternum f. coxal bone g. tibia h. calcaneus i. frontal j. phalanges
1. E. Sternum 2. F. Coxal bone 3. B. Scapula 4. D. Ulna 5. G. Tibia 6. H. Calcaneus 7. J. Phalanges 8. A. Femur 9. C. Mandible 10. I. Frontal