Module: Stainin Part III

Question 1

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

Answer 1

Crystal Violet

Question 2

Crystal Violet + Methyl Violet + Dexterin +

Answer 2

Gentian Violet

Question 3

Used for staining blood to differentiates leukocytes

Answer 3

Giemsa Stain

Question 4

Is the stained used for metallic impregnation, made up of gold chloride and mercuric chloride

Answer 4

Gold sublimate

Question 5

used for microscopic study of starch granules

Answer 5

Iodine

Question 6

Used for removal of mercuric fixative artifact pigments

Answer 6

Iodine

Question 7

Used for demonstrating mitochondria during intravital staining

Answer 7

Janus Green B

Question 8

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

Answer 8

Malachite Green

Question 9

Also used both as a decolorizer and as a counter stain

Answer 9

Malachite Green

Question 10

Stains chromatin green in the presence of an acid

Answer 10

Methyl Green

Question 11

It gives false positive reaction with certain secretions as mucin

Answer 11

Methyl Green

Question 12

Is a metachromatic dye formed whenever methylene blue is heated in fixed alkali carbonate coloring nuclei of leukocytes reddish-purple in the presence of methylene blue

Answer 12

Methylene Violet

Question 13

Is a basic dye recommended for observing cell granules and vacuoles of phagocytic cell

Answer 13

Neutral Red

Question 14

Used as a substitute for carbol fuchsin in acid-fast staining

Answer 14

Night blue

Question 15

Is an excellent stain for elastic fibers (Tanzer Unna Orcein Method) especially recommended in dermatological studies

Answer 15

Orcein

Question 16

Fixative, used to stain fats

Answer 16

Osmium Tetroxide

Question 17

Contrast stain to acid fuchsin

Answer 17

Picric Acid

Question 18

Demonstration of connective tissue

Answer 18

Picric Acid

Question 19

Used with osmic acid to fix and stain blood and glandular

Answer 19

Rhodamine B

Question 20

Used in 10% aqueous solution to prepare various dilutions to be used in identification of spirochetes, reticulum and other fiber stains

Answer 20

Silver Nitrate

Question 21

Is a nuclear stain for fixed tissues, used as a substitute for thionine in fresh frozen tissue sections

Answer 21

Toluidine blue

Question 22

Recommended for staining of Nissl granules or chromophile bodies

Answer 22

Toluidine blue

Question 23

Used for demonstration of neuroglia in frozen sections

Answer 23

Victoria Blue