Matching the following stains with the preferred fixative – choices can be used once, more than once, or not at all.

What is the purpose of the acetic acid water as the last step in the Gomori’s and Masson’s trichrome staining procedures?

The control slide for Holzer technique shows a background precipitate of crystal violet. What reagent can be used to remove this precipitate?

Which of the following would be a useful control for the PTAH stain?

How often a test is positive if the tissue contains the antigen describes the of the assay.

What are 2 completely different stains that can be used to demonstrate the material seen as squiggly lines in this picture. 36.jpg

The mordant in the Brown-Hopp’s gram stain modification is .

Match the stain on the left with the broad classification of organism on the right. Answers may be used more than once or not at all.

The two differentiation steps for the Weil stain includes:Check all that apply.

What stain can be used to determine if the tissue has been overfixed?