Musculoskeletal Questions 4

Which is not a component of the fluid phase?:

Glycosaminoglycan
H2O
K+
Ca2+

Which is not true of recently unloaded cartilage:
The cartilage swells until tensional force = swelling force
Negatively glycosaminoglycan draw ions into the cartilage
The amount of fluid phase in the cartilage is maximal
An osmotic pressure gradient draws water into the cartilage

Which is not a function of the loading cycle?:
Delivering nutrients to the chondrocytes
Stopping the joint from jarring
Finely adjusting the surface of the joint
Allowing growth


You fall over and damage your knee joint so that pale yellow synovial fluid squirts out over the pavement, feeling pain due to the nerves in the fibrous layer and seeing the white articular cartilage. Which word should be amended in the statement?
Yellow
White
Fibrous
Squirt

What is not true of the synovial membrane?
It has a variable thickness
It has 3 distinct layers
It lines the joint cavity's all non-articular surfaces
It is an inner layer of loose connective tissue

What is not true of the joint cavity?
The peripheral margins are filled in by villi of the synovial membrane
There is rarely more than 1ml of synovial fluid within it
It sits between the articulating surfaces
It is a large cavity


Which is not true of the fibrous layer
It consists of an outer layer of dense connective tissue and attending fibroblasts
None of the above
It has a variable thickness
It has no nerves

Muscles are not involved in
Hormonal release
Movement and Stability
Communication
Homeostatic control

The origin of a muscle is not
The part that moves the least during a movement.
Usually Axial
Usually proximal
A fascicle


Which cell type is not found in the fibrous layer?
Fibroblasts
Adipocytes
Erythrocytes
Nerves

Which is not a junction?
Osteotendinous
Myoosteous
Myotendinous
Osteochondral



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