The following test is not used for diagnosis of leprosy:
Correct Answer: Lepromin test
Description: Ans. is 'a' i.e., Lepromin test: Lepromin test is not used for diagnosis:Lepromin test: It is an intradermal test with biphasic response and demonstrates the delayed type of hypersensitivity.(a) Early reaction of Fernandez: It occurs in 24-48 hours.(b) Late reaction of Mistuda: It peaks in 4 weeks and is more meaningful. It indicates that a person is able to mount cell mediated immunity against leprosy.It is used to:(a) Classify the lesion of leprosy.(b) To assess prognosis and response to treatment.(c) To assess resistance of individual to leprosy.Antigen used in Lepromin test:(a) Lepromin A: It is standard lepromin from armadillo derived lepra bacilli.(b) Lepromin H: Human derived lepra bacilli.
Category:
Microbiology
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