For an accurate diagnostic of a current infection,acute and convalescent sera should reflect a(n)_____ in the patient's antibody titer of _____ doubling dilutions.
A)decrease;two
B)increase;two
C)decrease;four
D)increase;four

Question

Quizplus · Accepted Answer

A fourfold rise in titer,that is,an increase in the patient's titer of two doubling dilutions from acute to convalescent,is considered to be diagnostic of current infection.

For an Accurate Diagnostic of a Current Infection,acute and Convalescent