Test your knowledge about osteoarthritis with this amazing quiz with informative questions with answers. Osteoarthritis is known as the most common form of arthritis. It has been affecting millions of people worldwide. It exists when the protective cartilage that cushions the ends of the bones wears down over time. How much more do you know about Osteoarthritis? This quiz will test your learnings and educate you even more. If you like the quiz, do share it with others to help enhance their knowledge.