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Biology 12 Chapter 16 - Support and Movements - 17
1.
The repairing process of simple fracture is divided into ……………. phases?
Four
Three
Two
Five
2.
In which type of reduction surgery is performed?
Closed reduction
Both of these
Open reduction
None
3.
A mass of blood clotted, forms at the fracture site is called?
Callus
Bone
Hematoma
Bony Callus
4.
How much time required for the formation of callus?
1-2 weeks
4-5 weeks
2-3 weeks
3-4 weeks
5.
Which of the following is migrate and multiply to convert the soft callus into bony callus?
Osteoblasts
Osteocyts
Osteoclasts
Osteoblasts and osteoclasts
6.
How much time required for remodeling of bony callus?
One month
Three months
Two months
Several months
7.
In old age, fractures occur more frequently why?
Bone become thin and dense
Bone become dense and weak
None of these
Bone become thin and weak
8.
The vertebrate possess, which of the following kind of muscles?
Cardiac muscles
Skeletal muscles
Smooth muscles
All of these
9.
Which of the following muscles found in blood vessels?
Skeletal muscles
Cardiac muscles
All of these
Smooth muscles
10.
What is the diameter of myofibrils?
1-2µm
1-2mm
1-3mm
1-3µm
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