Hematoxylin - Iron Hematoxylin

Question 1

Iron hematoxylin compounds are used only for (2)

Answer 1

1. differential
2. regressive staining

Question 2

using _______ as a differentiating agent.

Answer 2

acid-alcohol

Question 3

Iron hematoxylin:

Two main iron hematoxylin solutions are employed for routine work in the laboratory:

Answer 3

1. Weigert’s Solution
2. Heidenhain’s Solution

Question 4

Uses ferric ammonium chloride as mordant

Answer 4

Weigert’s solution

Question 5

Uses ferric ammonium SULFATE as mordant

Answer 5

Heidenhain’s solution

Question 6

The dye lake obtained when ferric salts are used as mordants is an

Answer 6

intense blue-black one

Question 7

Type of Iron Hematoxylin stain used for Mitochondria

Answer 7

Regaud’s hematoxylin

Question 8

Regaud’s hematoxylin is used for tissues fixed in (2)

Answer 8

1. Potassium dichromate
2. Formalin

Question 9

Disadvantage of Regaud’s hematoxylin

Answer 9

Result are not uniform (over stained and under stained)

Question 10

__________ is the standard iron hematoxylin stain used in the laboratory

Answer 10

Weigert’s solution

Question 11

Weigert’s solution is used for the demonstration of (2)

Answer 11

Muscle fibers
Connective tissues

Question 12

Iron hematoxylin stain that is known as a popular cytological stain

Answer 12

Heidenhain’s hematoxylin

Question 13

Heidenhain’s hematoxylin is used for (2)

Answer 13

1. Study of mitosis
2. chromatin material

Question 14

T/F.

Heidenhain’s hematoxylin is used for regressive staining of thin sections

Answer 14

True