HTP Midterm Review

Multiple Choice

All of the following are metallic fixatives, EXCEPT:

• Carnoy's fluid

• Helly's Fluid

• Regaud's fluid

• B-5 fixative

Multiple Choice

Whare type of fixatives is reommended for GLYCOGEN fixation?

• Mercurial fixatives

• Aldehyde fixatives

• Chromate fixatives

• Alcoholic fixatives

Multiple Choice

What is the concentration of the alcohol if used as a fixative?

• 70-100%

• 30-50%

• 60-70%

• 50-70%

Multiple Choice

All are commonly used dehydrating agents, EXCEPT

• Alcohol

• Acetone

• Dioxane

• Chloroform

Multiple Choice

It is the preferred method for processin whole eye section

• Dry Celloidin

• Wet Celloidin

• Frozen Section

• Paraffin Section

Multiple Choice

What is the best embedding method for EYES

• Dry celloidin

• Wet Celloiding

• Paraffin Wax

• Frozen Section

Multiple Choice

What is double embedding

• Infiltrate --> paraffin

  Embed --> celloidin

• Infiltrate --> gelatin

  Embed --> plastic

• Infiltrate --> celloidin

  Embed --> paraffin

• Infiltrate --> plastic

  Embed --> gelatin

Multiple Choice

A blocking out mold consists of two L-shaped strips with heavy metal brass or metal arranged on a flat metal plate.

• Compound embeding unit

• Tissue Tek

• Peel away

• Leuckhart's embedding mold

Drag and Drop

Cutting angle​

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15 degrees

10 degrees

5 degrees

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Example of Resinous Media​

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Canada Balsam

Clarite

Permount

Glycerin Jelly

Apathy's Gum Arabic

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Blueing is achieved by immersion in​

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Ammonia water

Lithium carbonate

Scott's tape water substitute

4.5% NSS

Saturated picric acid