9
37 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the origin of the cells involved in endochondral ossification?

  • Ectoderm
  • Mesoderm (correct)
  • Neuroectoderm
  • Endoderm
  • What type of bone is formed initially during endochondral ossification?

  • Spongy bone
  • Compact bone
  • Woven bone (correct)
  • Lamellar bone
  • What is the function of osteoprogenitor cells?

  • To differentiate into osteoclasts
  • To differentiate into osteoblasts (correct)
  • To produce collagen
  • To produce bone matrix
  • What is the name of the region where secondary ossification occurs?

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

    What is the name of the canal found in compact bone?

    <p>Haversian canal</p> Signup and view all the answers

    What is the function of the periosteum?

    <p>To form the bone collar</p> Signup and view all the answers

    What is the term for the process of bone cell differentiation?

    <p>Migration and differentiation</p> Signup and view all the answers

    When does the primary ossification center form in the diaphysis?

    <p>During the 3rd month of fetal development</p> Signup and view all the answers

    How many secondary ossification centers form in the epiphyses?

    <p>4</p> Signup and view all the answers

    What type of bone replaces the epiphyseal plate cartilage?

    <p>Spongy bone</p> Signup and view all the answers

    What is the function of the epiphyseal plate?

    <p>To allow for bone growth</p> Signup and view all the answers

    What is the term for the line that forms when the epiphyseal plates ossify?

    <p>Epiphyseal line</p> Signup and view all the answers

    During which stage of life do most primary ossification centers appear in the diaphyses of long bones?

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

    What type of cartilage is not replaced by bone?

    <p>Articular cartilage</p> Signup and view all the answers

    What is the primary bone tissue that appears first in the development of bone?

    <p>Woven bone</p> Signup and view all the answers

    What is the main characteristic of woven bone?

    <p>Irregular arrangement of bone tissue</p> Signup and view all the answers

    What is the predominant type of collagen found in osteoid?

    <p>Type I collagen</p> Signup and view all the answers

    What is the main component of the ground substance in osteoid?

    <p>Chondroitin sulfate</p> Signup and view all the answers

    What type of ossification involves a cartilage model?

    <p>Endochondral ossification</p> Signup and view all the answers

    Which part of the skull undergoes intramembranous ossification?

    <p>Cranial vault</p> Signup and view all the answers

    What is the reason for the rapid ossification of the skull?

    <p>To ensure the skull is strong enough to withstand impacts</p> Signup and view all the answers

    What is the term for the shaft of a long bone?

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

    What is the percentage of organic components in bone matrix?

    <p>25%</p> Signup and view all the answers

    What is the process of laying down new bone material by osteoblasts?

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

    What type of fibers are found in bone matrix?

    <p>Type I collagen fibers</p> Signup and view all the answers

    What is the term for the narrow portion between the epiphysis and the diaphysis?

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

    What is the term for the process of bone formation that involves cartilage as a precursor?

    <p>Endochondral ossification</p> Signup and view all the answers

    What is the term for another name for spongy bone?

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

    What is the major cause of decalcification of bones?

    <p>Loss of calcium</p> Signup and view all the answers

    What is a risk factor for decalcification of bones in women?

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

    What is a consequence of decalcification of bones?

    <p>Brittle and fragile bones</p> Signup and view all the answers

    What is a complication of other diseases that can cause decalcification of bones?

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

    What is the age range when children are at the highest risk of developing rickets?

    <p>6-36 months</p> Signup and view all the answers

    What is a reason why children may not get enough vitamin D?

    <p>Following a vegetarian diet</p> Signup and view all the answers

    What is a characteristic of bones in people with rickets?

    <p>Weak and soft</p> Signup and view all the answers

    What is a cause of rickets in children?

    <p>Lack of vitamin D</p> Signup and view all the answers

    What is a consequence of severe rickets?

    <p>Skeletal deformities</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Browser