Dehydration

Question 1

Important requirement when using alcohol

Answer 1

Use in increasing concentration

Question 2

Temperature that will hasten dehydration time

Answer 2

37°C

Question 3

Dehydrating agents: (8)

Answer 3

1. Ethyl Alcohol
2. Methanol
3. Butanol
4. Triethyl phosphate
5. Cellosolve (Ethylene Glycol Monoethyl Ether)
   6, Dioxane (Diethylene dioxide)
6. Tetrahydrofuran
7. Acetone

Question 4

Can be added to act as a tissue softener (recommended for hard tissues)

Answer 4

Phenol in alcohol bath

Question 5

Toxic to man, not commonly used

Answer 5

Methanol

Question 6

Fast acting, non-toxic. Most commonly used alcohol for dehydration process

Answer 6

Ethyl alcohol

Question 7

Other name for cellosolve

Answer 7

(Ethylene Glycol Monoethyl Ether

Question 8

Other name for dioxane

Answer 8

Diethylene dioxide

Question 9

Dehydrating agent whose main whose main disadvantage is its being toxic

Answer 9

Dioxane

Question 10

Most commonly used alcohol for dehydration process

Answer 10

Ethyl alcohol

Question 11

Alcohol for plant and animal microtehcniques

Answer 11

Butanol

Question 12

For dehydrating sections and smears

Answer 12

Triethyl phosphate

Question 13

Toxic to reproductive, fetal, urinary system

Answer 13

Cellosolve

Question 14

Toxic by ingestion, inhalation and by skin contact

Answer 14

Cellosolve

Question 15

Decomposes when exposed to sunlight

Answer 15

Cellosolve

Question 16

Highly corrosive on skin

Answer 16

Cellosolve

Question 17

Dehydrating agent that is both a skin and eye irritant and has an offensive odor

Answer 17

Tetrahydrofuran

Question 18

Rapid acting dehydrant suited for urgent biopsies but not for routine tissue processing

Answer 18

Acetone