Types of Fixatives

Question 1

Made of only 1 component substance

Answer 1

Simple fixatives

Question 2

Made of 2 or more fixatives

Answer 2

Compound fixatives

Question 3

Permit the general microscopy study of tissue structure

Answer 3

Microanatomical fixatives

Question 4

Microanatomical fixatives

Answer 4

10-10
H-F
Z-Z
B-B

Question 5

Preserve specific parts and particular microscopic elements

Answer 5

Cytological fixatives

Question 6

Cytological fixatives

Answer 6

NCH

Question 7

Preserve nuclear structure; contain glacial acetic acid due to its affinity for nuclear chromatin; pH < 4.6

Answer 7

Nuclear fixative

Question 8

Nuclear fixatives

Answer 8

BFNCH

Question 9

Preserve cytoplasmic structures; do not contain glacial acetic acid; pH > 4.6

Answer 9

Cytoplasmic fixatives

Question 10

Cytoplasmic fixatives

Answer 10

HORFF

Question 11

Preserve chemical constituents of cells and tissues

Answer 11

Histochemical fixative

Question 12

Histochemical fixatives

Answer 12

10F-ANA

Question 13

Both nuclear and histochemical fixative

Answer 13

Newcomer’s fluid

Question 14

Fixed as soon as after death

Answer 14

Autopsy materials

Question 15

Fixed as soon as possible after removal

Answer 15

Surgical specimens

Question 16

Amount of fixative for prolonged fixation (e.g. museum prep)

Answer 16

50-100x

Question 17

Packed with cotton soaked in fixative

Answer 17

Hollow organs

Question 18

Should not be used for glycogen containing tissues

Answer 18

Water (glycogen is soluble in water)