Musculoskeletal CHIMA NCE Review

Musculoskeletal CHIMA NCE Review


What are the functions of the bones? - ANSWER --Shape, Support,
Protection, Movement, Electrolyte balance, Blood Production, Acid
Base Balance


What are the classification of bones by shape? - ANSWER --Long
bones, short bones, Flat bones, Irregular bones


What are the parts of a long bone? - ANSWER --Epiphysis, Diaphysis,
Articular Cartilage, Medullary Cavity, Endosteum, Periosteum


What are Osetoblasts? - ANSWER --Bone cell, helps form bone


What are osteoclasts? - ANSWER --Bone cell, dissolves unwanted or
unhealthy bone


What are osteocytes? - ANSWER --Bone cell, mature osteoblasts that
both dissolve bone and deposit new bone

, Where do you find compact bone? - ANSWER --Shafts of long bone,
outer surfaces of bone


Where do you find cancellous (spongy) bone? - ANSWER --Ends of long
bone, middle of most other bones


What is an osteon? - ANSWER -Basic structural unit of bone composed
of the lamellae and an haversion canal


What are the lamellae? - ANSWER -Compact bone in layers arranged
in rings around a haversian canal


What structures pass through the haversian canals? - ANSWER --Blood
vessels
-Nerves


What are lacunae? - ANSWER --Gaps between the rings of the
lamellae that contain osetocytes


What are canaliculi? - ANSWER -Microscopic passage ways that
connect the lamellae to each other