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Cartilage and Bone - The Facts
"A broad quiz all about our cartilage and bone. Go on - how much do YOU know?"
15 Points Per Correct Answer - No time limit
The "axial skeleton" consists of which of the following sections of the body?
Neck, trunk and limbs
Head, neck and trunk
Neck and trunk
Which of the following is an example of a "long" bone?
What is the main substance (a protein) secreted by the main cells in cartilage that makes up the extra-cellular matrix?
Elastin secreted by fibroblasts
Collagen secreted by chondrocytes
Collagen secreted by astrocytes
Keratin secreted by fibroblasts
What is endochondral ossification?
Bone growth within an area of hyaline cartilage
Bone growth in bones where there is no cartilage precursor
The self-destruction of bone by the bursting open of the bone cells
A disease similar to osteoporosis
Which of the following is a function of cartilage?
Both of these
Provides the body with a rich source of potassium ions
Neither of these
Supports soft tissue
Cartilage can grow interstitially or appositionally. What is the principal difference between the two processes?
Interstitial growth is much more important
Appositional growth occurs only in the cartilage of the neck and trunk, whereas interstitial growth occurs all over the body
Appositional growth involves only the early phases of cartilage formation, whereas interstitial growth happens throughout life
Appositional growth involves growth from the surface of the cartilage only, whereas interstitial growth occurs from inside it
Which of the following bone markings means a hollow passage through a bone?
Which options(s) of the following are real types of synovial joint?
All of them
How does cartilage get its nutrients?
From blood in capillaries passing through it
Through diffusion of the nutrients into the ground substance surrounding the cells making up the cartilage
It shares the nutrients delivered by capillaries to the bone nearest to it
The cells it is comprised of are completely self-sufficient and need no nutrients delivered to them
Both matured cells of bone and cartilage lie in matrix cavities. What is the real name of these cavities?
Extra-cellular matrix deficit regions (ECMDR)
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Compiled Jun 19 13