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_________ is a painful degeneration of movable joints caused by attacks on the joints by the cells of the immune system.

a.a sprain
b.osteoarthritis
c.rheumatoid arthritis
d.anterior cruciate ligament damage

2 Answers

2 votes
Rheumatoid arthritis causes this. It's also a chronic disease.

A sprain is an injury to a ligament.

Osteoarthritis is a joint disease caused by the inflammation, breakdown and loss of the cartilage.

Anterior cruciate ligament damage is the injury to this ligament.

Hope this helps :).


User Jorawar Singh
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3 votes

Answer:

c.rheumatoid arthritis

Step-by-step explanation:

  • Rheumatoid arthritis is an autoimmune disorder that affects the joints and leads to their swelling and result s in a lot of pain.
  • The joints of the hands and wrists are most commonly involved however there is a possibility that other parts of the body may also get affected which may lead to inflammation around the hearts and lungs along with a decrease in the red blood cell count.
  • The cells of the immune system attack the joints in this disorder due to which there is inflammation and thickening of the joints.
User Eihwaz
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7.9k points
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