Dehydration

Question 1

process of removing intercellular and extracellular water from tissue

Answer 1

dehydration

Question 2

ideal volume of dehydration

Answer 2

not less than 10 times the volume of tissue

Question 3

tissues should never be allowed to _______

Answer 3

air dry

Question 4

removal of water by evaporation from a solid, semi-solid or liquid

Answer 4

drying

Question 5

commonly used dehydrating agents

Answer 5

alcohol, acetone, dioxane, cellosolve, triethyl phosphate and tetrahydrofuran

Question 6

most common for routine dehydration

Answer 6

ethanol

Question 7

toxic dehydrating agent

Answer 7

methyl alcohol

Question 8

utilized in plants and animal micro-techniques

Answer 8

butyl alcohol

Question 9

substitute for ethyl alcohol

Answer 9

isopropyl alcohol

Question 10

utilized for most urgent biopsies

Answer 10

acetone

Question 11

dehydration time of acetone

Answer 11

30 mins to 2 hrs

Question 12

cheap and rapid acting dehydrating agent

Answer 12

acetone

Question 13

excellent dehydrating and clearing agent readily miscible in water

Answer 13

dioxane

Question 14

dehydration period of weiseberger’s method

Answer 14

3-24 hrs

Question 15

dehydrates rapidly

Answer 15

cellosolve

Question 16

removes water very readily and produces very little distortion of tissues

Answer 16

triethyl phosphate

Question 17

both dehydrates and clears (miscible in water and paraffin)

Answer 17

tetrahydrofuran

Question 18

tissue processing for _____________ is commonly accomplished using ethanol

Answer 18

transmission electron microscopy

Question 19

dehydrating solvent for tem

Answer 19

ethanol

Question 20

transition fluid for tem

Answer 20

propylene oxide

Question 21

good substitute for propylene oxide

Answer 21

acetonitrile