Musculoskeletal Questions 3

The most important function of cortical bone is to:

Provide a store of P and Ca
Form a strong dense shell
Hold collagen
Carry blood through Haversian canals

Joints do not have the function of:
Storage
Allowing growth
Transmitting force
Allowing movement


What is the defining function of a synovial joint:
Allowing growth
Allowing movement, not restricted by specific bones or tissues
Storage
Allowing transmitting force




The next section refers to the 3 types of bone. Select the correct answers and mark in a group of 3


Amphiarthrosis
Freely movable
Slightly movable
None of the above
Immovable joint


Diarthrosis
None of the above
Slightly movable
Immovable joint
Freely movable


Synarthrosis
None of the above
Immovable joint
Slightly movable
Freely movable


The next section refers to examples of the 3 types of bone. Select the correct answers and mark in a group of 3


Diarthrosis
Intervertebral disks (spine)
Hip joint
Skull
None of the above



Synarthrosis
None of the above
Intervertebral disks (spine)
Skull
Hip joint


Amphiarthrosis
Hip joint
Intervertibral disks (spine)
None of the above
Skull


How many structures are there in a joint?
8
7
6
5


The fluid phase of articular cartilage does not include:
Water
Ions
Liquids
Oil


Chondrocytes do not have:
A blood supply
The ability to occur in nests
The ability to build and maintain cartilage
Lacunae to live in


The surface zone does not contain:
Fibres parallel to the surface
Cell nests
Low proteoglycan concentration
Flattened chondrocytes




Which is not true moving down through cartilage:
Collagen becomes more perpendicular to the surface
Surface zone, Middle zone, Deep zone, Tide mark, Calcified cartilage, Osteochondral junction, Subchondral bone.
Calcification increases
Oxygen increases


Which is not a component of hyaluronic acid:
Water
Keratin sulphate
Glycosaminoglycan
Disaccharides


Which does not contribute to the formation of a bottle brush shaped glycosaminoglycan?:
anchorage to a core protein
disaccharide polymerisation
hydrophobic interactions
-ve charged disaccharides



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