Metallic fixatives

Question 1

Used as a 4% aqueous solution not a routine fixative for acid mucopolysaccharide and connective tissue mucin preservation

Answer 1

Lead fixatives

Question 2

Most common metallic fixative

Answer 2

Mercuric chloride fixatives

Question 3

Excellent for preservation of cell details in tissue photography fixative of choice trichrome staining BEST most compatible

Answer 3

Mercuric chloride fixatives

Question 4

Used for hematopoietic tissues reticuloendothelial tissues renal tissues connective tissue fibrins muscle tissues

Answer 4

Mercuric chloride fixatives

Question 5

May form black mercury deposits remedy wash tissues with alcoholic iodine

Answer 5

Mercuric chloride fixatives

Question 6

Contains Mercuric Chloride Glacial Acetic Acid Potassium Dichromate for preserving liver spleen CT fibers nuclei

Answer 6

Zenker’s

Question 7

Contains Mercuric chloride Potassium dichromate Formalin for BM pituitary gland blood forming organs intercalated discs of cardiac muscles

Answer 7

Zenker Formol Helly’s Fluid

Question 8

May produce brown pigment remove with saturated alcoholic picric acid or sodium hydroxide

Answer 8

Zenker Formol Helly’s Fluid

Question 9

Contains Tricarboxylic Acid Glacial Acetic Acid Formalin Mercuric Chloride recommended for tumor skin biopsies excellent cytologic fixative

Answer 9

Heidenhain Susa

Question 10

Contains Mercuric Chloride Anhydrous Sodium Acetate for preserving bone marrow

Answer 10

Lillie’s B5

Question 11

Other mercuric chloride fixatives

Answer 11

Carnoy-Lebrun Schaudinn’s Ohlmacher’s

Question 12

All contain potassium dichromate oxidizing agents for secondary fixation post-chromatization

Answer 12

Chromate fixatives

Question 13

For carbohydrates 1-2%

Answer 13

Chromic Acid

Question 14

For lipids and mitochondria 3%

Answer 14

Potassium Dichromate

Question 15

For chromatin mitochondria mitotic figures golgi bodies RBC-containing colloid tissues

Answer 15

Regaud’s Muller’s Moller’s

Question 16

For early degenerative processes tissue necrosis preserving Rickettsia other bacteria

Answer 16

Orth’s Fluid