Understanding Long Bones Structure

What is the primary function of long bones in the human body?

• Protection of internal organs

• Support and movement

• Production of hormones

• Storage of vitamins

Which part of a long bone is responsible for the production of red blood cells?

• Periosteum

• Epiphysis

• Diaphysis

• Bone marrow

What is the name of the outer layer of a long bone that provides a surface for muscle attachment?

• Endosteum

• Periosteum

• Medullary cavity

• Cartilage

Which part of the long bone is primarily responsible for its length growth during childhood and adolescence?

• Diaphysis

• Epiphyseal plate

• Medullary cavity

• Articular cartilage

What is the term for the central cavity of a long bone where yellow marrow is stored?

• Epiphysis

• Diaphysis

• Medullary cavity

• Periosteum

Which type of bone tissue is found at the ends of long bones and is characterized by a porous, honeycomb structure?

• Compact bone

• Spongy bone

• Cartilage

• Fibrous bone

What is the main mineral stored in long bones that is essential for various body functions?

• Iron

• Calcium

• Potassium

• Sodium

Which part of the long bone is covered with articular cartilage to reduce friction in joints?

• Diaphysis

• Epiphysis

• Medullary cavity

• Periosteum

What is the function of the diaphysis in a long bone?

• To produce red blood cells

• To store fat

• To provide strength and support

• To facilitate joint movement

Which cells are responsible for the breakdown of bone tissue?

• Osteoblasts

• Osteoclasts

• Chondrocytes

• Fibroblasts