Exploring the TW Skeletal System

What is the primary focus of orthopedics?

• Treatment of skin diseases

• Study of the nervous system

• Preservation and restoration of the skeletal system

• Treatment of muscle disorders

Which term refers to the study of bone structure and treatment of bone disorders?

• Cardiology

• Neurology

• Osteology

• Orthopedics

Which function of the skeletal system involves the production of blood cells?

• Mineral storage

• Hemopoiesis

• Protection

• Support

What percentage of the body's calcium is stored in the skeletal system?

• 50%

• 75%

• 99%

• 100%

What is the name of the hollow cavity in long bones that contains yellow bone marrow in adults?

• Epiphysis

• Diaphysis

• Metaphysis

• Medullary cavity

Which part of the long bone is responsible for its lengthening during growth?

• Epiphysis

• Diaphysis

• Epiphyseal plate

• Metaphysis

What is the tough outer membrane that covers the bone called?

• Epiphyseal plate

• Endosteum

• Periosteum

• Articular cartilage

Which type of bone cell is responsible for forming new bone matrix?

• Osteogenic cells

• Osteoblasts

• Osteocytes

• Osteoclasts

What is the function of osteoclasts?

• Forming new bone matrix

• Maintaining bone metabolism

• Destroying bone tissue

• Secreting collagen fibers

What are the concentric rings in compact bone called?

• Osteons

• Canaliculi

• Lacunae

• Lamellae