17. which ofth·following is not.ype or bone cell long bonen, is cal
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HBO Small Business en Ondernemerschap
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HBO Small Business En Ondernemerschap
17. which ofth·following is not."ype or bone cell long bonen, is calied a(n) b. Osteoclast G.
Osteocyte d. Osteoolasp b. osteon e pillar system d. Sharpey's system 20. Which characteristic
of cartilage enhances its job as the precursor to endochondral bone? gap junctions found within
a. lacunae...
17. which ofth·following is not.\"ype or bone cell long bonen, is calied a(n) b. Osteoclast G.
Osteocyte d. Osteoolasp b. osteon e pillar system d. Sharpey\'s system 20. Which characteristic
of cartilage enhances its job as the precursor to endochondral bone? gap junctions found within
a. lacunae b. Volkmann\'s canals c. Haversian canals a. Cartilage can decay easily. b. Cartilage
can accommodate mitosis. c. Cartilage is a weak tissue. d. Cartilage is retained as part of the
skeletal d. canaliculi system. 21. Most bones formed via intramembranous ossification are bones.
22. What would long bone growth look like in an individual whose cartilage in both epiphyseal
discs stopped dividing? a. long b. short The long bones would grow excessively length. width. a.
b. The long bones would cease growth in c. The long bones would cease growth d. The long
bones would appear norm c. flat d. irregular
Solution
Q-17-which is not a type of bone cell?
Answer- Osteoclasp- It is a dynamic compression device for internal fixation of bone.
Rest all are bone cells.
Q-18- A group of concentric rings of bone matrix, comprising of functinal unit of long bone is
called?
Answer- Osteon
Lamella- concentric layer is lamella
Osteon- it is the fundamental functinal unit of bone.each osteon consist of concentric layers
(lamella) of compact bone tissue that surround a central canal called the Harvesian canal.
Sharpey\'s System- are the matrix of connective tissue made up of type I collagenconnecting
periosteum to bone.
Q-19 Adjacent osteocytes communicate via gap juctions found within
Answer D- Canaliculi
In mature bone , osteoblasts are trapped within the matrix that they secrete and become
osteocytes, osteocytes connect to each other by long cytoplasmic extensions that occupy tiny
canals called canaliculi, which are used for exchangeof nutrints and waste through gap juctions.
Question 20- Which characteristic of cartilage enhances its job as a precursor to endochondral
bone?
Answer- B- Cartilage can accomadate mitosis. Cartilage grows by continuous division of cells,
Undergo hypertropy and die, extracellular matrix is secreted which is then invaded by blood
vessels, osteoclast,osteoblast and finally bone is formed.
Question 21- most bones formed via intramembranous ossification are?
Answer- Flat bones
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