Answer: (A) sacroiliac joints
Explanation:
Reactive arthritis can be define as a condition which is associated with the inflammation of joints specifically the sacroiliac joints and joints of the lower body. This occurs due to the infection in an area other than the joints. The joint inflammation is characterized by swelling, warmness in and around the joints, redness and pain. Additional symptoms include inflammation of the urinary tract, inflammation of the lines of the eyelids and eye membrane, fever, pain in lower back and heel, and weight loss.
This is caused by the bacterial infection belonging to the genus of Campylobacter, Shigella, Salmonella, Chlamydia and Yersinia.
The answer is D. The presence of oncogenes
Oncogenes is a gene that has potential to cause Cancer. Once it appear on tumor cells, Oncogenes often mutated at a very high level. When the cells critical function altered, they usually undergo a rapid cell death. But once oncogenes activated, those malfunction cells will not undergo rapid cell death, filling our body with malfunctioning cells
