HISTOPATHOLOGY

Question 1

Orcein method

Answer 1

HbsAg, some mucins

Question 2

Grocott methenamine silver

Answer 2

Fungi
Mucin & glycogen
Mycelia and hyphae
RBCs

Question 3

old rose color in Grocott methenamine silver

Answer 3

Mycelia and hyphae

Question 4

rbcs in Grocott methenamine silver

Answer 4

yellow

Question 5

Mucin & glycogen in Grocott methenamine silver

Answer 5

gray-black

Question 6

fungi in Grocott methenamine silver

Answer 6

black

Question 7

spirochete stain

Answer 7

Warthin-starry method

Levaditi’s

Question 8

spirochetes appear ____ in Warthin-starry

Answer 8

black

Question 9

spirochetes on Levaditi stain

Answer 9

black on yellowish background

Question 10

Toluidine blue stain for staining what organism

Answer 10

H. plori

Question 11

H. pylori appear____ in Toluidine blue stain

Answer 11

Drak blue against blue backgound

Question 12

wade-fite technique

Answer 12

M. leprae

other mycobacteria & nocardia

Question 13

mycobacteria on auramine-rhodamine fluorescent stain

Answer 13

golden yellow fluorescence

Question 14

Von Kossa’s silver nitrate method

Answer 14

Calcium (black)

Question 15

Masson fontana technique

Answer 15

melanin & aregentaffin cell granules (black)

Question 16

Schmorl’s ferric ferricyanide method

Answer 16

bile
lipofuschin
melanin
argentaffin cells
chromaffin
thyroid colloid 
(dark blue)

Question 17

Perl’s prussian blue method

Answer 17

hemosiderin (deep blue)

Question 18

Mallory phosphotungstic acid Hematoxylin (PTAH)

Answer 18

Collagen, osteoid, cartilage, elastic fibers (deep brownish red);
fibrin, muscle striations, neuroglia, amoeba (dark blue)
RBCs, cilia (blue)
Myelin (lighter blue)

Question 19

Van giesson’s stain

Answer 19

collagen (pink/deep red)

muscle, RBC, keratin (red)

Question 20

Gomori’s silver impregnation stain

Answer 20

reticulin fibers (black)