Musculoskeletal Questions 3

The most important function of cortical bone is to:

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

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


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


Synarthrosis
Freely movable
Slightly movable
None of the above
Immovable joint


Amphiarthrosis
None of the above
Freely movable
Slightly movable
Immovable joint


Diarthrosis
Freely movable
None of the above
Slightly movable
Immovable joint


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


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



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


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


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


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


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:
Fibres parallel to the surface
Flattened chondrocytes
Cell nests
Low proteoglycan concentration




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


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