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In a Direct Immunochromatographic Assay, in Order for the Test

Question 4

Multiple Choice

In a direct immunochromatographic assay, in order for the test to be positive, a color change reaction must be evident at:
I- Test zone
II- Control zone
III- Reaction zone


A) I only
B) III only
C) I and II
D) II and III
E) I, II, and III

Correct Answer:

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