Oil Soluble Dyes (Lysochromes)

Question 1

possesses two secondary amino groups per molecule

Answer 1

Sudan Black

Question 2

Sudan black stain that colors fat droplets _____ and is the most sensitive of the oil soluble dyes

Answer 2

black

Question 3

The ability of fats to adsorb Sudan Black is related to

Answer 3

dye concentration
temperature
physical state

Question 4

Sudan Black B stains

Answer 4

phospholipids
neutral fats

Question 5

it has no secondary amino group & it does not color phospholipids or the fine lipid droplets

Answer 5

Sudan IV (Scharlach R)

Question 6

In Sudan IV, addition of _____ intensifies fat and prevents rapid deterioration of the solutions

Answer 6

benzoic acid

Question 7

Sudan IV is recommended for staining _____,
giving them a deep and intense _____ stain

Answer 7

triglycerides
red

Question 8

first Sudan dye to be introduced into histochemistry

Answer 8

Sudan III

Question 9

Sudan III is a good fat stain for _____

Answer 9

CNS tissues

Question 10

Sudan III gives a less deep and lighter _____ stain

Answer 10

orange