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WorksheetsBone Structure and Composition Quiz
Total questions: 15
Worksheet time: 8mins
What is the primary function of compact bone?
Resist breakage
Contains osteons
Absorbs shock
Stores red marrow
What is the function of spongy bone?
Resist breakage
Absorbs shock
Contains central canals
Stores yellow marrow
What is the periosteum?
A dense outer layer of compact bone
A cavity containing yellow marrow
A delicate membrane on internal surfaces of bone
A membrane that covers the outer surface of bone
What type of cells are responsible for bone formation?
Osteoclasts
Osteocytes
Osteoblasts
Osteogenic cells
What is the function of osteoclasts?
Connect lacunae
Provide nutrients to bone
Break down bone matrix
Form new bone
What is the structural unit of compact bone?
Lamellae
Osteon
Trabeculae
Canaliculi
What is the role of collagen fibers in bone?
Store calcium
Provide hardness
Connect blood vessels
Provide tensile strength and flexibility
What is the main component of the inorganic part of bone?
Osteogenic cells
Hydroxyapatites
Osteoid
Collagen fibers
Where is red marrow found in adults?
Medullary cavities of long bones
Trabecular cavities of the heads of the femur and humerus
Periosteum
Central canals of compact bone
What is the function of Volkmann's canals?
Connect blood vessels and nerves of the periosteum and central canal
Store red marrow
Contain osteocytes
Provide tensile strength
What is the function of Sharpey's fibers?
Secure periosteum to underlying bone
Connect osteocytes
Store yellow marrow
Absorb shock
What is the function of the central canal in an osteon?
Contains blood vessels and nerves
Provides tensile strength
Stores red marrow
Connects lacunae
What is the function of canaliculi in bone?
Connect lacunae to each other and the central canal
Store yellow marrow
Provide hardness
Absorb shock
What is the function of the epiphyseal line?
Stores yellow marrow
Remnant of the growth plate
Lines trabeculae
Connects blood vessels
What is the primary component of the organic part of bone?
Trabeculae
Calcium phosphate
Osteoid
Hydroxyapatites
