This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Parasitology, Subject name: Medicine
Romana's sign is seen in - 
Select and explain. 
A. Toxoplasma, B. Trypanosoma cruzi, C. Loaloa, D. Wuchereria
B: Trypanosoma cruzi
Answer: B: Trypanosoma cruzi 
Explanation: Ans. is 'b' i.e., Trypanosoma cruzi Romana's signo The classic finding in acute Chagas disease, which consists of unilateral painless edema of the palpebrae and periocular tissues - can result when the conjunctiva is the portal of entry.o These initial local signs may be follwed by malaise, fever, anorexia, and edema of the face and lower extremities.o Generalized lymphadenopathy and hepatosplenomegaly may develop.