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 growth
Allowing movement
Storage
Transmitting force


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




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


Amphiarthrosis
None of the above
Freely movable
Immovable joint
Slightly movable


Diarthrosis
None of the above
Freely movable
Immovable joint
Slightly movable


Synarthrosis
Immovable joint
Slightly movable
Freely movable
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
Intervertebral disks (spine)
Hip joint
Skull
None of the above


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


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



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


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


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


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




Which is not true moving down through cartilage:
Oxygen increases
Calcification 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:
Water
Keratin sulphate
Glycosaminoglycan
Disaccharides


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



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