A) there is no turnover of minerals.
B) a portion of the protein and mineral content is replaced each year.
C) osteoblast activity exceeds osteoclast activity,once bone has been formed.
D) osteoclasts continue to be active long after osteoblast activity ceases.
E) exercise will have no effect on bone remodeling.
Correct Answer
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Multiple Choice
A) 3,1,5,4,2
B) 1,3,5,4,2
C) 1,5,3,4,2
D) 2,3,1,5,4
E) 3,1,4,5,2
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Multiple Choice
A) Vitamin D provides a framework for calcium in the matrix.
B) Vitamin D is regulated by osteoclast activity.
C) Vitamin D is produced by osteoblasts during endochondral ossification.
D) Vitamin D is involved in calcium absorption by the digestive tract so calcium is available for ossification and remodeling.
E) Vitamin D replaces calcium in the skeleton.
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Multiple Choice
A) is released in large amounts early in life.
B) increases the number of osteoclasts.
C) increases the activity of osteoclasts.
D) produces a severe osteoporosis.
E) is released by some cancer tumors.
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Multiple Choice
A) affects mostly women.
B) causes a gradual reduction in bone mass.
C) is caused by too much vitamin D in the diet.
D) is rarely seen as people age.
E) only affects the femur.
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Multiple Choice
A) Osteocyte
B) Osteoclast
C) Osteoid
D) Osteoprogenitor
E) Chondroblast
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Multiple Choice
A) Volkmann's canal.
B) lacuna.
C) trabecula.
D) Haversian canal.
E) Venetian canal.
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Short Answer
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Multiple Choice
A) irregular
B) sesamoid
C) sutural
D) Wormian
E) tendon
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Multiple Choice
A) oversized facial bones.
B) long fingers.
C) frequent bruises.
D) bowed legs.
E) inadequate muscle development.
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Essay
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View Answer
Short Answer
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verified
Multiple Choice
A) The bone matrix is very dense and contains deposits of calcium salts.
B) The matrix of the bone contains osteoclasts.
C) Narrow channels pass through the matrix to allow for muscle attachment.
D) The matrix of bone is mostly collagen with very little calcium.
E) For strength,compact bone is organized into a meshwork of matrix called trabeculae.
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Short Answer
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verified
Multiple Choice
A) denser.
B) thicker.
C) osteopenic.
D) stronger.
E) calcified.
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Multiple Choice
A) bone cells adding matrix between existing osteons
B) surface growth of bone
C) remodeling of compact bone
D) remodeling of spongy bone
E) osteoporosis
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Multiple Choice
A) primary ossification
B) secondary ossification
C) length growth
D) width growth
E) fracture repair
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Multiple Choice
A) concentric lamellae.
B) cartilage cells in the epiphyseal side of the metaphysis.
C) growth of trabeculae.
D) osteoblasts in the endosteum.
E) cartilage cells in the diaphyseal side of the metaphysis.
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