For most pathogens to be diagnostic of current infection,there must be 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,is considered to be diagnostic of current infection.

For Most Pathogens to Be Diagnostic of Current Infection,there Must