Properties of Bone

Question 1

Bone remains _____ throughout life

Answer 1

Metabolically active

Question 2

Bone vascularity

Answer 2

Highly vascular

Question 3

What changes in bone are observed throughout life?

Answer 3

• Density
• Shape

Question 4

What does bone adapt to?

Answer 4

Mechanical demands

Question 5

Bone composition

Answer 5

• Cells
• Matrix
• Ground substance

Question 6

Bone fibers

Answer 6

Collagen

Question 7

Collagen characteristics

Answer 7

• Tough and pliable
• Resistant to stretch

Question 8

Bone ground substance contents

Answer 8

GAGs

Question 9

Bone mineral content

Answer 9

• Calcium carbonate
• Phospate

Question 10

What gives bone its strength?

Answer 10

• Collagen
• Ground substance
• Minerals

Question 11

The external contour and internal architecture of bones conform to the frequency and intensity of the stresses to which they are subjected

Answer 11

Wolff’s law

Question 12

Parts of bone

Answer 12

• Cortical
• Cancellous/trabecular

Question 13

High density part of the bone

Answer 13

Cortical

Question 14

Part of the bone varying widely in density

Answer 14

Cancellous/trabecular

Question 15

When is mature bone stiffest and strongest?

Answer 15

Compression

Question 16

Dense fibrous CT attached to deep bone with fibers

Answer 16

Periosteum

Question 17

Periosteum vascularity

Answer 17

Rich vascular supply

Question 18

Part of the bone in which muscles and tendons insert and blend into its fibers

Answer 18

Periosteum

Question 19

Bone and aging

Answer 19

• Reduction of cancellous bone
• Decrease in cortical bone thickness

Question 20

Osteoporotic bone is less resistant to which type of force?

Answer 20

Compression