Joint Physiology

Question 1

Example of fibrous joint?

Answer 1

skull

Question 2

Which joints are classified into simple or compound?

Answer 2

synovial

Question 3

What supplies chondrocytes with O2 and removes wate products?

Answer 3

synovial fluid

Question 4

Is tehre a static poole of synovial fluid?

Answer 4

no

Question 5

Is rapid movement associated with increased or decreased viscosity?

Answer 5

decreased

Question 6

Is rapid movement associated with increased or decreased elasticity?

Answer 6

increased

Question 7

What type of cartilage is articular cartilage normally?

Answer 7

hyaline

Question 8

What type of collagen is there mainly in joints?

Answer 8

type II

Question 9

Where is there the highest concentration of proteoglycan in the join?

Answer 9

middle and deep zone

Question 10

What is responsible for compressive properties associated with load bearing?

Answer 10

proteoglycan

Question 11

What is the ECM synthesized, organised, degradedand maintained by?

Answer 11

chondrocytes

Question 12

What happens it he rate of ECM degraation exceeds rate of synthesis?

Answer 12

joint disease

Question 13

Name anabolic factors.

Answer 13

TGF-b and IGF 1

Question 14

Name catabolic factors.

Answer 14

TNF and IL-1

Question 15

Name markers of cartilage degradations.

Answer 15

serum and synovial keratin sulphate

Type II collagen in synovial fluid

Question 16

What does synovial cell profliferation and inflammation cause?

Answer 16

RA

Question 17

What shape are pseudo gout crystals?

Answer 17

rhomboid