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An African female is suffering from an infection of the Mycobacterium leprae bacteria. Which stain is recommended for the demonstration of this organism?

While changing the tissue processor’s paraffin, it is observed that the melting point of the new paraffin is 61 – 63 C degrees. Ideally, to maintain molten paraffin, the tissue processor paraffin temperature should be: 

This stain is used to demonstrate:  101.jpg 

What happens when the isoelectric point is below pH 6:

Which of the following stains will not stain the mucoid capusule of Cryptococcus neoformans?

The microscopic examination of a Warthin Starry stain shows sections that have a black precipitate and nonspecific staining throughout the tissue. What step could be taken in the future to remedy this problem?

This soft mushy tissue shown here is most likely caused by what?  72.jpg 

Reviewing the control slide from the day’s first batch of H&E  stained slides, it is noticed that cell’s nuclei are staining a red brown color. What is a possible explanation for these findings?

A 10% solution of formalin must be made from a stock solution of formaldehyde. The resulting solution would contain how much formaldehyde?

Processing Schedule C:ReagentTimeTemperature (Degrees Celsius)FormalinFormalinXyleneXyleneXyleneParaffin62 CParaffinParaffinWhat type of problem will be encountered if small tissue biopsies that have been processed according to this Schedule C?