Celestine Blue

Question 1

oxazine dye used as an alternative to iron hematoxylin nuclear stain

Answer 1

Celestine Blue

Question 2

Celestine blue forms a strong staining lake with ______

Answer 2

iron alum

Question 2

best known as an indicator, but may be utilized as a stain foraxis cylinders in embryos

Answer 2

Congo Red

Question 3

CONGO RED ; 4% aqueous solution stains

Answer 3

elastic tissue
myelin

Question 4

Congo red is used to identify deposits of protein in tissue called

Answer 4

amyloid

Question 5

commonly used in histology to stain nervous tissues; NISSL BODIES

Answer 5

Cresyl Violet

Question 6

nuclear or chromatin stain used for staining
amyloid in frozen sections and platelets in blood

Answer 6

Crystal Violet

Question 7

_____ staining solution formed by the mixture of crystal violet, methyl violet, dexterin

Answer 7

Gentian Violet

Question 8

stains DNA, providing a fluorescent red-orange stain ; marker for apoptosis in cells populations

Answer 8

Ethidium Bromide

Question 9

consists of a mixture of methylene-blue and eosin, and it is used for staining blood to differentiate leukocytes

Answer 9

Giemsa Stain

Question 10

It also binds to some pathogens, including spirochetes (syphilis), trypanosomes (sleeping sickness and Chagas disease) and plasmodium (malarial parasites).

Answer 10

Giemsa Stain

Question 11

stain used for metallic impregnation

Answer 11

Gold Sublimate

Question 12

Gold sublimate is made up of

Answer 12

gold chloride
mercuric chloride

Question 13

probably the oldest of all stains, originally used for microscopic study of starch granules

Answer 13

iodine

Question 14

It is widely used for removal of mercuric fixative artefact pigments

Answer 14

iodine

Question 15

is used to identify and differentiate bacteria

Answer 15

Gram’s Iodine

Question 16

brown solution that turns black in the presence of starches

Answer 16

Lugol’s Solution/
Lugol’s Iodine

Question 16

_______ is also used as a mordant in Gram’s staining

Answer 16

Iodine

Question 17

used for demonstrating mitochondria during intravital staining

Answer 17

Janus Green B

Question 18

a contrast stain for staining ascaris eggs and
erythrocytes, and as a bacterial spore stain

Answer 18

Malachite Green

Question 19

it is also used both as a decolorizer and as a counterstain

Answer 19

Malachite Green

Question 20

three-color staining protocol

Answer 20

Masson’s Trichrome

Question 21

Masson’s trichrome produce color stain of the following
keratin and muscle fiber - _____
collagen and bone - _____ or _____
cytoplasm - _____ or _____
nuclei - _____

Answer 21

red
blue or green
light red or pink
black

Question 22

stains chromatin green in the presence of an acid

Answer 22

methyl green

Question 23

used commonly with bright-field microscopes to dye the chromatin of cells à more easily viewed

Answer 23

methyl green