Bone Structure and Function- Prof Dave

Which type of cartilage is found in the ears and epiglottis?

• Hyaline cartilage

• Elastic cartilage

• Fibrocartilage

• Articular cartilage

Which of the following is considered an appendicular bone?

• Skull

• Rib cage

• Pelvis

• Spine

Besides support and protection, what other vital function do bones perform?

• Digesting food

• Filtering blood

• Producing hormones

• Generating nerve impulses

What is the tubular shaft of a long bone called?

• Epiphysis

• Periosteum

• Diaphysis

• Medullary cavity

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What is the primary function of osteogenic cells found in the inner layer of the periosteum?

• Secreting bone matrix for growth

• Breaking down bone tissue

• Monitoring and maintaining the bone matrix

• Differentiating into other bone cell types

Which type of bone cell is responsible for secreting the bone matrix and promoting bone growth?

• Osteogenic cells

• Osteocytes

• Osteoclasts

• Osteoblasts

What structural feature of compact bone allows it to withstand torsion or twisting forces?

• The presence of perforating canals

• The alternating pattern of collagen fibers within concentric lamellae

• The network of canaliculi connecting lacunae

• The presence of interstitial lamellae

What inorganic component is primarily responsible for the hardness of bone?

• Collagen fibers

• Osteoid

• Hydroxyapatites

• Ground substance