B because drug overdose is something that can lead trauma to someone suicidal thoughts isnt trauma because it never happened
Answer:
The cause of bone fusion in joints damaged by rheumatoid arthritis is due to the over activity of the synovium.
Explanation:
Synovium -
Synovium is a lining that covers the joints of the body , which is responsible for lubrication of the joints and to move easily .
The disorder rheumatoid arthritis is caused by the over activity of this lining , as it swells out and becomes inflamed , and hence, can destroy the joint and even the ligament and the tissues .
The weakening of these ligament can lead to deformities like claw toe or hammer toe.
Many experts recommend a level between 20 and 40 ng/mL. Others recommend a level between 30 and 50 ng/mL.
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