Final answer:
Swollen lymph nodes would indicate cat scratch disease in an 8-year-old girl who was bitten by her kitten.
Step-by-step explanation:
The finding that would indicate cat scratch disease in the 8-year-old girl who was bitten by her kitten is swollen lymph nodes. Cat scratch disease is a bacterial infection caused by Bartonella henselae, which can be introduced to the lymph nodes when a human is bitten or scratched by a cat. Swollen lymph nodes are a common symptom of cat scratch disease and can occur near the site of the scratch or bite.