VPA-0078
QUESTION
Self-cure phenomenon is seen in?
OPTIONS
(A) Ostertagia ostertagi
(B) Hemonchus contortus
(C) Nematodirus spathiger
(D) Trichostrongylus axei
ANSWER
(B) Hemonchus contortus
EXPLANATION
The self-cure phenomenon is classically described in Haemonchus contortus infections, where development of immunity can cause rapid expulsion of adult worms and associated changes in worm burden. The other listed nematodes are not the classic example used for this phenomenon.
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