Slide Stains

Question 1

hematoxylin stains

Answer 1

stains basophilic structures: nucleus, heterochromatin, nucleolus, rough ER

Question 2

hematoxylin color

Answer 2

blue

Question 3

eosin stains

Answer 3

acidophilic structures: cytoplasm, mitochondria, smooth ER, filaments; lightly stains golgi and lysosomes

Question 4

eosin color

Answer 4

pink

Question 5

feulgen stains

Answer 5

DNA

Question 6

feulgen color

Answer 6

magenta

Question 7

PAS stains

Answer 7

carbohydrate-enriched structures: mucus, GAGs, glycoproteins, glycogen

Question 8

PAS color

Answer 8

deep red

Question 9

toludine blue stains

Answer 9

heparin in mast cells

Question 10

toludine blue color

Answer 10

blue (but magenta for heparin)

Question 11

Sudan IV stains

Answer 11

adipocytes (fat cells)

Question 12

Sudan IV color

Answer 12

Red

Question 13

Osmium tetroxide stains

Answer 13

Myelin of axons

Question 14

osmium tetroxide color

Answer 14

brown

Question 15

resorchin-fuchsin stains

Answer 15

elastic fibers

Question 16

rosorchin-fuchsin color

Answer 16

black

Question 17

mallory trichrome stains

Answer 17

collagen fibers I and III

Question 18

mallory trichrome color

Answer 18

blue/green

Question 19

silver stain stains

Answer 19

collagen type III

Question 20

silver stain color

Answer 20

black

Question 21

azo-dye stains

Answer 21

lysosome; acid phosphatase reaction

Question 22

azo-dye color

Answer 22

red

Question 23

tetrazolium stains

Answer 23

mitochondria; localizes succinate dehydrogenase

Question 24

tetrazolium color

Answer 24

black

Question 25

peroxidase stains

Answer 25

localizes antigen of interest

Question 26

peroxidase color

Answer 26

brown