General

Question 1

What are the two most common chemicals for staining a cell?

Answer 1

Hematoxylin and eosin

Question 2

What color is hematoxylin? Is it an acid or base (nucleophilic or electrophilic?)

Answer 2

Stains blue/purple. It is a basic dye.

Question 3

What color is eosin? Is it acidic or basic? What is its charge?

Answer 3

Pink or red
Acidic
Negatively charged

Question 4

What type of structures will hematoxylin dye?

Answer 4

Acidic structures like RNA or DNA

Question 5

What type of structures will eosin dye?

Answer 5

Basic structures like cytoplasm proteins

Question 6

What is Diff-Quick or Wright Stain used for?

Answer 6

Red and White blood cells

Question 7

What is Orcein-Resorcein or Verhoeffs stain used for? What color does it stain things?

Answer 7

Stains elastic fibers black.

Nuclei stain gray

Question 8

What is Silver Stain or Argentaffin used for?

Answer 8

Stains neurons black

Question 9

What is supravital stain or brilliant cresyl blue used for? What color does it stain chromatin?

Answer 9

Stain reticulocytes

stain chromatin dark