3C HISTOPATH RECALL QUIZ

Increases paraffin hardness

• Stearic acid

• Phenanthrene

• beeswax

Tissues are blocked with the surface to be cut facing down in a mold.

• true

• false

Microchatter around edges of tissue on small biopsy specimen can be prevented by decreasing exposure time to dehydrating agents.

• true

• false

The use of chloroform prevents inadvertent dessication of tissues.

• true

• false

Xylene turns cloudy when tissues are inadequately dehydrated.

• true

• false

Cutting fatty sections thinly may prevent them from becoming mushy at the center during clearing.

• true

• false

An acute clearance angle during sectioning ensures cutting good tissue ribbons.

• true

• false

Striations in the paraffin sections may be due to tissue fragments on the cutting edge of the blade.

• true

• false

Chromophores are composed of an acid & a base (salt- forming properties) to become a dye.

• true

• false

Underexposure to acidic fixatives (picrates, formic acid) will destroy the basophilic staining properties of tissues.

• true

• false