Musculoskeletal Questions 4

Which is not a component of the fluid phase?:

Ca2+
H2O
Glycosaminoglycan
K+

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

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


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?
Fibrous
Yellow
Squirt
White

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 3 distinct layers
It has a variable thickness

What is not true of the joint cavity?
There is rarely more than 1ml of synovial fluid within it
The peripheral margins are filled in by villi of the synovial membrane
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
It has no nerves
None of the above
It has a variable thickness

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

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


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

Which is not a junction?
Osteochondral
Osteotendinous
Myotendinous
Myoosteous



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