4. what are the early signs of osteoarthritis?
a)bony growths on finger joints
b)mild aches and soreness in back muscles
c)bony growths on the ankle joints
d)mild aches and soreness in a joint

B and D.

Explanation:

B)mild aches and soreness in back muscles

D)mild aches and soreness in a joint

Osteoarthritis is a disease which causes inflammation in the joints. The result is very painful movements of joints which are getting worse and worse as time passes. So, it is a progressive disease and it starts from hands. It is known that the condition is not curable, but with help of numerous treatments, it can be in control.  Some of the symptoms: when a person doesn't move joints for a while and tries to move it, it's painful. Also, it's not rare that a joint is swollen, the feeling of warmth and tenderness is present in the joints, as well as sounds that resemble cracking in the joint, etc.