Musculoskeletal Questions 3

The most important function of cortical bone is to:

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

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


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




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


Synarthrosis
Freely movable
None of the above
Slightly movable
Immovable joint


Diarthrosis
Slightly movable
None of the above
Freely movable
Immovable joint


Amphiarthrosis
Freely movable
Slightly movable
Immovable joint
None of the above


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


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


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


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



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


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


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


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




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


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


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



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