Choose the correct answer
 
 Rohan, a 12-year-old, recently developed yellowing of his eyes and fatigue. Tests revealed his liver enzymes are elevated, but other organs appear normal. Meanwhile, his friend Simran has a persistent fever, swollen lymph nodes, and unusual bleeding. Her doctor explains that the infection is spreading through the blood, affecting multiple organs. Observing their conditions, Rohan’s illness is confined to a single organ, whereas Simran’s disease is systemic, impacting her whole body.
 
i. Which feature in Rohan’s condition confirms it is organ-specific?
 
ii. Simran requires treatment for ________.