1) What are the five primary functions of the skeletal system? a) Support, movement b) Digestion, respiration c) Circulation, excretion d) Reproduction, growth 2) Name the five different shapes of bones. a) Long, short b) Round, flat c) Irregular, sesamoid d) Curved, hollow 3) What is the central shaft of a long bone called? a) Epiphysis b) Diaphysis c) Metaphysis d) Periosteum 4) Mature bone cells are known as? a) Osteoclasts b) Osteocytes c) Chondrocytes d) Fibroblasts 5) Bone building cells are known as? a) Osteoblasts b) Osteoclasts c) Osteocytes d) Chondroblasts 6) What are reabsorbing bone cells called? a) Osteoblasts b) Osteoclasts c) Osteocytes d) Chondrocytes 7) What happens if osteoclast activity exceeds osteoblast activity? a) Bone loss b) Bone growth c) Bone repair d) Bone stability 8) How can X-Rays show if full height is reached? a) Check growth plates b) Measure bone density c) Assess bone length d) Examine bone shape 9) Which bone shape is the femur? a) Long b) Short c) Flat d) Irregular 10) Which cells are involved in bone repair? a) Osteoblasts b) Osteoclasts c) Chondrocytes d) Fibroblasts

Skeletal System Quiz

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