Multiple skin sections should be embedded with the epithelial surfaces facing in:

Microscopic examination of an H & E stained section reveals the presence of extraneous tumor cells. This is most likely caused by:

The PAS reaction is useful for the demonstration of:

Which of the following problems will be seen in paraffin sections that are floated out on a flotation bath that is too cold?

To assure adequate and appropriate tissue processing, in which processing step should heat be applied?

A poor fixative is characterized by:

Fresh, unfixed tissue can be stored safely for a short time by:

The major benefit of microwave processing is:

To obtain a section of small intestine showing mucosa, submucosa, muscularis externa and adventitia, the tissue must be embedded:

A solvent that is commonly used in oil red O and Sudan black B solutions to prevent the loss of lipids during fat staining is: