This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Characteristic of type II lepra reaction ? 
Select and explain. 
A. Erythema & edema, B. ENL, C. Lymphadenopathy, D. All
D: All
Answer: D: All 
Explanation: . Ans. is 'a' i.e., Erythema & edema; 'b' i.e., ENL; 'c' i.e., Lymphadenopathy 1) Lepra 1 reaction Type 1 lepra reaction is a type IV hypersensitivity. There are classical signs of inflammation (Redness, pain & Tenderness) within previously involved macule, papules or plaque. Systemic features do not occur (in contrast to type 2 reaction). Neuritis is common and ulnar nerve is involved most commonly. 2) Lepra 2 reaction (Erythema nodosum leproticum : ENL) The presenting symptoms include :0 Crops of fresh painful erythematous papules or nodules are most common presenting feature. ii) Systemic features :- Fever, malaise, ahritis, neuritis, dactylitis, orchitis, uveitis (iridocyclitis), lymphadenitis, glomerulonephritis, periostitis, hepatitis.