chapter 6

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Questions and Answers

Which type of cartilage contains elastic fibers and is similar to hyaline cartilage?

  • Axial cartilage
  • Interstitial cartilage
  • Appositional cartilage
  • Fibrocartilage (correct)

What are the two types of growth of cartilage?

  • Axial and appendicular growth
  • Appositional and interstitial growth (correct)
  • Hyaline and fibrocartilage growth
  • Elastic and irregular growth

What are the two classifications of bones?

  • Hyaline and fibrocartilage bones
  • Long and short bones
  • Axial and appendicular bones (correct)
  • Flat and irregular bones

Which shape of bone is found in the knee joint?

<p>Irregular bone (B)</p> Signup and view all the answers

Where is red marrow located in infants?

<p>Medullary cavity and all areas of spongy bone (D)</p> Signup and view all the answers

Which hormones regulate bone growth?

<p>Growth hormone and insulin-like growth factors (A)</p> Signup and view all the answers

Which vitamins are needed for bone growth and remodeling?

<p>All of the above (D)</p> Signup and view all the answers

Which type of bone fracture occurs when excessive twisting forces are applied, resulting in a ragged break?

<p>Spiral fracture (D)</p> Signup and view all the answers

What is the structural unit of compact bone?

<p>Osteon (A)</p> Signup and view all the answers

Which hormone primarily controls blood calcium levels?

<p>Parathyroid hormone (PTH) (A)</p> Signup and view all the answers

What are the two types of ossification?

<p>Intramembranous ossification and endochondral ossification (A)</p> Signup and view all the answers

Where is red marrow located in infants?

<p>Medullary cavity and all areas of spongy bone (A)</p> Signup and view all the answers

What are the functions of bones?

<p>Support, protection, movement, storage, and blood cell formation (B)</p> Signup and view all the answers

What are the two textures of bone?

<p>Compact bone and spongy (cancellous) bone (D)</p> Signup and view all the answers

What is the outer fibrous layer of bone that contains osteoblasts and osteoclasts called?

<p>Periosteum (B)</p> Signup and view all the answers

What is the hormone that regulates bone growth and remodeling?

<p>Growth hormone (B)</p> Signup and view all the answers

What is the process of bone tissue formation called?

<p>Osteogenesis (A)</p> Signup and view all the answers

Which factors affect bone growth and remodeling?

<p>Minerals, vitamins, and hormones (A)</p> Signup and view all the answers

What are the stages in the healing of a bone fracture?

<p>Hematoma formation, fibrocartilaginous callus formation, bony callus formation, bone remodeling (A)</p> Signup and view all the answers

What are the treatments for Paget's disease?

<p>Natural progesterone cream and bisphosphonates (B)</p> Signup and view all the answers

At what age are nearly all bones completely ossified?

<p>By age 25 (A)</p> Signup and view all the answers

What happens during the fibrocartilaginous callus formation stage of bone fracture healing?

<p>Mass of repair tissue now called fibrocartilaginous callus (A)</p> Signup and view all the answers

What happens during the bony callus formation stage of bone fracture healing?

<p>New trabeculae form a bony (hard) callus (D)</p> Signup and view all the answers

When does bone mass start to decrease?

<p>In the 4th decade of life (A)</p> Signup and view all the answers

What is rickets?

<p>A childhood disease causing bowed legs due to vitamin D deficiency (C)</p> Signup and view all the answers

What happens during the bone remodeling stage of bone fracture healing?

<p>Final structure resembles original (C)</p> Signup and view all the answers

What is Paget's disease?

<p>Excessive and haphazard bone formation and breakdown (A)</p> Signup and view all the answers

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