In an Agglutination Test,eight Serial Dilutions to Determine Antibody Titer

question 17

Multiple Choice

In an agglutination test,eight serial dilutions to determine antibody titer were set up.Tube #1 contained a 1:2 dilution;tube #2,a 1:4,etc.If tube #6 is the last tube showing agglutination,what is the antibody titer?

• A)6
• B)1:6
• C)64
• D)1:32
• E)32

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