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HSTCYT1 > DEHYDRATION > Flashcards

DEHYDRATION Flashcards

1
Q

must have high affinity with water and must have increasing strengths

A

dehydration

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2
Q

volume fo dehydrating tissue

A

10x

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3
Q

alcohol that is clear, colorless, flammable fluid

A

ethanol

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4
Q

considered to be the best dehydrating agent because it is fast-acting, it mixes with water and many organic solvents, and it penetrates tissues daily.

A

ethanol

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5
Q

alcohol that is fast acting and not poisonous

A

ethanol

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6
Q

what is added to ethanol to make it a tissue softener

A

4% phenol

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7
Q

toxic, for smear prep, for blood and tissue films

A

methanol

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8
Q

best for all around ethanol substitute and is used in microwave processing schedules

A

isopropyl alcohol

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9
Q

dehydrating agent for plants and animals

A

butyl alcohol

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10
Q

sltn for complete dehydration with alcohol found 1/4 at the bottom of the container

A
  • anhydrous copper sulfate crystals covered with filter paper
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11
Q

test for complete dehydration with alcohol for full saturation of alcohol with water

A

blue discoloration of crystals

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12
Q

prolonged storage at lower conc. may macerate tissue

A

true

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13
Q

EGME

A

ethylene glycol monoethyl ether

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14
Q

other name for EGME

A

cellosolve

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15
Q

dehydrating agent that is rapid but toxic

A

cellosolve

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16
Q

dehydrating agent that iscombustible at 110-120F an allows longer storage

A

cellosolve

17
Q

can affect reproductive system, fetal developmentmay be affected

A

cellosolve

18
Q

more safer than EGME

A

propylene

19
Q

time sched for dehydration

A
  • graupner’s
  • weisberger’s
20
Q

miscible with H2O, alcohol, paraffin wax, xylol

A

Dioxane

21
Q

miscible with alcohol, xylene, benzene, ether chloroform and acetone

A

THF

22
Q

does not dissolve aniline dye and have offensive odor that may cause conjuctivitis

A

THF

23
Q

soluble in water, alcohol, xylene, ether, benzene, cholorform, acetone

A

triethyl PO4

HSTCYT1 (18 decks)

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