SCN1111 Musculoskeletal Exam Questions and Answers 100% Pass
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Course
SCN1111
Institution
SCN1111
SCN1111 Musculoskeletal Exam
Questions and Answers 100% Pass
Identify the different cells of bone tissue - Osteoblasts, osteoclasts,
osteocytes and bone matrix
What is the function of osteoblasts - a cell that makes bone. Produce
collagen and proteoglycans (these make up the bone matrix), stim...
strong. Structural unit of compact bone is the haversian system (also called
an osteon)
Describe spongy bone - ✔✔(15%); less complex, lacks haversian systems,
lamellae are not arranged in concentric layers but in plates or bars termed
trabeculae which branch and unite with one another to form an irregular
meshwork. Contains red bone marrow (fills the open spaces between
sponge). Spongey bone is used for iron and nutrient exchange
What are the different shapes of bone - ✔✔long, short (cuboidal), flat,
irregular
Examples of long bones - ✔✔humerus, radius, ulna, femur, tibia, fibula
Examples of short bones - ✔✔carpals and tarsals (wrist and ankle)
examples of irregular bones - ✔✔vertebrae and facial bones
examples of flat bones - ✔✔cranial bones, sternum, ribs, scapulae
Two types of skeletons, how many bones and where - ✔✔axial (80 bones)-
skull, vertebral column and thorax
appendicular (126 bones)- upper and lower extremities
What is bone remodeling? - ✔✔It's the process by which bone tissue is
removed and new tissue forms. Repairs microscopic bone injuries.
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