What is the principle of the TdT test?
A) Washed lymphocytes are incubated with washed sheep red blood cells; rosettes will form if TdT is present.
B) Phycoerythrin (PE) -labeled antigoat antibody is incubated with cells; if nuclei contain TdT, cells will appear greenish-yellow.
C) Fluorescein isothiocyanate (FITC) -labeled antirabbit antibody is incubated with cells, if cells contain TdT in nucleus they will fluoresce.
D) All of the above.
E) None of the above.
Correct Answer:
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Q28: The staining pattern in the PAS reaction
Q29: Material that stains PAS positive appears _.
A)
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A) Lipid
B)
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