KROK 1 2007 – Question 24 · KROK (Medicine) · Biological Chemistry
A 30 y.o. woman had been ill for a year when she felt pain in the area of joints for the first time, they got swollen and skin above them became reddened. Provisional diagnosis is rheumatoid arthritis. One of the most probable causes of this disease is a structure alteration of a connective tissue protein:
- A. Troponin
- B. Mucin
- C. Ovoalbumin
- D. Myosin
- E. Collagen
Hint
Think of the main fibrous protein of cartilage, tendons and joint capsules, whose altered structure and immune recognition contribute to the autoimmune joint disease.
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