29 Questions
What type of bone tissue is also known as cortical bone?
Compact bone
Which process of bone formation involves the replacement of preexisting cartilage?
Endochondral ossification
What is the name of the narrow portion between the epiphysis and the diaphysis of a long bone?
Metaphysis
What percentage of bone matrix is composed of inorganic components (bone mineral)?
75%
Which type of bone is characterized by a haphazard organization of collagen fibers and trabeculae?
Woven bone
Which bones are formed by the process of intramembranous ossification?
Flat bones
What is the name of the shaft of a long bone?
Diaphysis
What is the process of laying down new bone material by osteoblasts called?
Osteogenesis
Which type of bone tissue is also known as trabecular bone?
Spongy bone
What percentage of bone matrix is composed of organic components (osteoid)?
25%
What is the predominant fiber type in osteoid?
Type I collagen
Which type of bone has a regular parallel alignment of collagen into lamellae?
Lamellar bone
In intramembranous ossification, bone is formed from which type of tissue?
Membranous connective tissue
Which type of bone has an irregular arrangement and is considered weak?
Woven bone
Where does bone tissue first appear in endochondral ossification for long bones?
Diaphysis
What is the function of growth plates in children?
To enable bone elongation
During the healing process of a bone fracture, what is formed at the injury site that is invaded by macrophages and new blood vessels?
Granulation tissue
What is the role of osteoclasts in bone healing after a fracture?
Removing dead tissue
What is the primary difference between woven and lamellar bone?
Lamellar bone is strong and has a regular arrangement, while woven bone is weak with an irregular arrangement.
What is the primary function of callus formation during bone healing?
To provide a temporary structural support for the fractured bone
Which of the following is a characteristic feature of woven bone?
Haphazard arrangement of collagen fibers
In which of the following conditions is woven bone commonly found?
Bone diseases like Paget's disease and bone tumors
What is the primary cause of decalcification of bones?
Loss of calcium from the bones
Which of the following conditions is characterized by a defect in bone matrix mineralization?
Rickets/Osteomalacia
What is the primary cause of osteoporosis?
Reduction in collagen and mineral deposition
Which of the following is a common symptom of osteoporosis?
Vertebral crush fractures
What is the primary cause of rickets in children?
Lack of vitamin D, calcium, or phosphate
Which of the following factors can contribute to the development of osteoporosis?
Prolonged use of corticosteroid medications
Which type of bone is more severely affected in osteoporosis?
Trabecular bone
This quiz covers topics related to bone tissue, including types of bone tissue like compact and spongy bone, parts of long bones like epiphysis and diaphysis, and the bone matrix composition. It also touches on osteogenesis, the process of laying down new bone material.
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