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Question 1

best fixative for frozen sections

Answer 1

10% NEUTRAL BUFFERED FORMALIN

Question 2

best fixative for iron pigments and elastic fibers

Answer 2

10% NEUTRAL BUFFERED FORMALIN

Question 3

routine post-mortem tissues

Answer 3

FORMOL-CORROSIVE

Question 4

for lipids, especially neutral fats and phospholipids

Answer 4

FORMOL-CORROSIVE

Question 5

no need for washing-out

Answer 5

FORMOL-CORROSIVE

Question 6

used to fix sputum

Answer 6

ALCOHOLIC FORMALIN

Question 7

for the demonstration of immunoperoxidase activity

Answer 7

ALCOHOLIC FORMALIN

Question 8

made up of two formaldehyde residues linked by three carbon chains

Answer 8

GLUTARALDEHYDE

Question 9

used in conjunction with osmium tetroxide

Answer 9

GLUTARALDEHYDE

Question 10

FIXATION TIME OF GLUTARALDEHYDE

Answer 10

½ hour to 2 hours

Question 11

METALLIC FIXATIVES

Answer 11

1. MERCURIC CHLORIDE
2. CHROMATE FIXATIVES
3. LEAD FIXATIVES

Question 12

MERCURIC CHLORIDE FIXATIVE

Answer 12

1. ZENKER’S FLUID
2. ZENKER-FORMOL
3. HEIDENHAIN’S SUSA SOLUTION
4. B-5 FIXATIVE

Question 13

most common metallic fixative

Answer 13

MERCURIC CHLORIDE

Question 14

tissue photography

Answer 14

MERCURIC CHLORIDE

Question 15

tissues contain black precipitates of mercury (except Susa)

Answer 15

MERCURIC CHLORIDE

Question 16

ZENKER’S FLUID FIXES SMALL PIECES OF

Answer 16

1. LIVER
2. SPLEEN
3. CONNECTIVE TISSUE FIBERS
4. NUCLEI

Question 17

removal of mercuric deposits in tissues

Answer 17

De-zenkerization

Question 18

ZENKER-FORMOL IS USED FOR WHAT TYPE OF SPECIMENS

Answer 18

1. PITUITARY GLAND
2. BONE MARROW
3. BLOOD CONTAINING ORGANS (SPLEEN AND LIVER)

Question 19

for tumor biopsies

Answer 19

HEIDENHAIN’S SUSA SOLUTION

Question 20

for bone marrow biopsies

Answer 20

B-5 FIXATIVE

Question 21

REAGENT FOR CHROMATE FIXATIVES

Answer 21

1. CHROMIC ACID
2. POTASSIUM DICHROMATE
3. REGAUD’S FLUID
4. ORTH’S FLUID

Question 22

preserves carbohydrates

Answer 22

CHROMIC ACID

Question 23

POTASSIUM DICHROMATE IS USED FOR THE PRESERVATION PF

Answer 23

1. LIPIDS

2. MITOCHONDRIA

Question 24

REGAUD’S FLUID IS UTILIZED FOR THE DEMONSTRATION OF

Answer 24

1. CHROMATIN
2. MITOCHONDRIA
3. MITOTIC FIGURES
4. GOLGI BODIES
5. RBC
6. COLLOID-CONTAINING TISSUES

Question 25

study of early degenerative processes and tissue necrosis

Answer 25

ORTH’S FLUID

Question 26

demonstrates Rickettsia and other bacteria

Answer 26

ORTH’S FLUID

Question 27

demonstration of acid mucopolysaccharides

Answer 27

LEAD FIXATIVES