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Bone Structure and Ossification Quiz

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Questions and Answers

What are the 5 primary functions of bone?

Support, storage, blood cell production, protection, leverage (correct)

Support, storage, blood clotting, protection, leverage

Support, flexibility, blood cell production, protection, movement

Support, storage, energy production, protection, leverage

What is the composition of bone matrix?

70% inorganic CaPO4 and 30% organic

80% inorganic CaPO4 and 20% organic (correct)

90% inorganic CaPO4 and 10% organic

60% inorganic CaPO4 and 40% organic

Which of the following cells is responsible for bone resorption?

Osteocytes

Chondrocytes

Osteoblasts

Osteoclasts (correct)

How many bones are there in the adult human skeleton?

<p>206</p> Signup and view all the answers

What are the 3 main types of bone cells?

<p>Osteoblasts, Osteocytes, Osteoclasts</p> Signup and view all the answers

Study Notes

Bone Functions

The 5 primary functions of bone are: support, protection, movement, blood cell production, and storage of minerals
Bones provide a framework for the body, allowing it to maintain its shape and facilitating movement
They also protect internal organs, such as the brain, heart, and lungs
Bones are responsible for producing blood cells, storing minerals like calcium and phosphorus, and regulating hormone production

Bone Composition

Bone matrix is composed of 65-70% inorganic minerals, mainly hydroxyapatite (calcium phosphate)
Organic components, such as collagen, make up the remaining 30-35% of the bone matrix

Bone Resorption

Osteoclasts are the cells responsible for bone resorption, or the breakdown of bone tissue

Human Skeleton

The adult human skeleton is composed of 206 bones

Bone Cells

The 3 main types of bone cells are: osteoblasts (responsible for bone formation), osteoclasts (responsible for bone resorption), and osteocytes (mature bone cells embedded in the bone matrix)

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Description

Test your knowledge of bone and ossification with this quiz on the structure of bone and cartilage, endochondral ossification, and the different categories of skeleton such as axial and appendicular skeleton, vertebrae, girdles, and limbs. This quiz is a valuable learning tool for medical students and anyone interested in anatomy.