Precipitation tests involve all of the following except
A) a cloudy or opaque zone developing where antigen and antibody react.
B) they rely on formation of visible clumps for detection.
C) they can be done in a test tube by carefully adding antiserum over antigen solution.
D) they include the VDRL test for syphilis.
E) they are often performed in agar gels.
Correct Answer:
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Q26: The radioimmunoassay test is used frequently for
A)identification
Q27: What type of test will detect cell-associated
Q28: Syphilis can be diagnosed by the
A)Widal test.
B)antistreptolysin
Q29: Viruses can be used to identify bacteria
Q30: Soluble antigens are detected in what type
Q32: Which test is used to identify antigens
Q33: The VRDL test detects _.
A)Salmonella
B)Rickettsia
C)syphilis
D)Candida
Q34: The dyes fluorescein and rhodamine
A)can be used
Q35: Which of the following is correct regarding
Q36: Alkaline phosphatase is an enzyme used in
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