system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
False + ye VDRL, is seen in all except -
assistant
The correct answer is  Ans. is 'd' i.e., Pregnancy False positive reactions in nontreponemal tests: As cardiolipin antigen is present both in T. pallidum and in mammalian tissues, reagin antibodies may be induced by treponemal or host tissue antigens. This accounts for the biological flase positive reactions.