Musculoskeletal Questions 4

Which is not a component of the fluid phase?:

H2O
K+
Glycosaminoglycan
Ca2+

Which is not true of recently unloaded cartilage:
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
The cartilage swells until tensional force = swelling force

Which is not a function of the loading cycle?:
Finely adjusting the surface of the joint
Delivering nutrients to the chondrocytes
Stopping the joint from jarring
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?
Squirt
Yellow
White
Fibrous

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

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


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 no nerves
It has a variable thickness

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

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


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

Which is not a junction?
Myoosteous
Myotendinous
Osteochondral
Osteotendinous



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