BIOL 19207 Review of the Skeletal System

BIOL 19207 Review of the Skeletal System Match the following terms with their definition: Terms: 1. Epiphyseal disc ______ 2. Diaphysis ______ 3. Epiphysis ______ 4. Osteoclast ______ 5. Bone marrow ______ 6. Periosteum ______ 7. Osteoblast ______ Definitions: a) Shaft of a long bone b) Site of longitudinal bone growth c) Site of blood cell production d) Tough outer covering of the bone e) A bone-eroding cell that helps in bone remodeling f) Bone depositing cell g) Enlarged end of a long bone Match the terms to the most appropriate answer: Terms: 1. Ribs ______ 2. Sternum ______ 3. Occipital ______ 4. Sutures ______ 5. Vertebrae ______ 6. Maxilla ______ 7. Mandible ______ Answers: a) Manubrium, body, xyphoid process b) True, false, floating c) Contains the foramen magnum d) Home of the upper teeth e) Forms the chin f) Includes the sacrum and the coccyxg) Coronal, squamosal, and lambdoidal Multiple Choice: 1. The epiphyseal disc is a) Located only in the fetal skeleton b) Is also called a Haversian system or osteon c) Composed of cartilage and is involved in the growth of a long bone d) Covered by articular cartilage 2. Osteoblast activity a) Builds bone b) Raises blood calcium levels c) Hollows out bones d) Is regulated by parathyroid hormone (PTH) 3. Which of the following is true of the acetabulum? a) Receives the head of the humerus b) Formed by the ilium, ischium, and pubis c) Articulates with the greater trochanter d) Forms the greater fontanel 4. The diaphysis is a) Composed primarily of cancellous bone b) The end of the long bone c) The shaft of a long bone that is located between the epiphyses d) The outer lining of a long bone 5. The distal humerus and the proximal ulna form a) The hip b) A hinge-joint c) A semi-movable joint d) The shoulder 6. Which of the following is true of the sternum? a) Articulates with floating ribs b) Is part of the appendicular skeleton c) Articulate with the clavicle d) Articulates with the acromion process 7. Which of the following is true of the occipital bone? a) Contains the condyles that articulate with C7, the vertebra prominens b) Contains the mastoid process and the external auditory meatus c) Contains the foramen magnum d) Is a facial bone 8. Which of the following is true of the manubrium? a) Contains the suprasternal notchb) Forms a hinge joint with the sternal body c) Articulates with the scapula d) Articulates with the coracoid process 9. The zygomatic bone is a) Part of the temporal bone b) A cranial bone c) The cheekbone d) The site of attachment for the sternocleidonmastoid

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