Serological diagnosis of infection can sometimes be accurately made with a single blood sample when

Question

Quizplus · Accepted Answer

Specific IgM antibodies are produced during the acute phase of infection and can help diagnose the infection with a single blood sample. IgG antibodies, on the other hand, may not be present in detectable levels until later in the course of the infection. A high titre of IgG antibodies (greater than 40) may indicate a past infection, but may not help diagnose an active infection. The other options (A, D, and E) do not necessarily indicate a serological diagnosis can be made with a single blood sample.

Serological Diagnosis of Infection Can Sometimes Be Accurately Made with a Single