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- 1. Multiple ChoiceIs the process by which impregnated tissue is placed into a precisely arranged position in a mold containing a medium which is then allowed to solidifyEmbeddingCastingBlocking
- 2. Multiple ChoiceThe melting point of the wax5-10℃ above5-10℃ below
- 3. Multiple ChoiceCooled rapidly in a refrigerator at-5℃Immersed in cold water
- 4. Multiple ChoiceOrientation: process by which a tissue is arranged in precise positions in the mold during embedding, on the microtome before cutting, and on the slide before staining
TRUE
FALSE
- 5. Multiple ChoiceConsists of 2 L-shaped strips of heavy brass or metal arranged on a flat metal plate ▪ can be moved to adjust the size of the mold to the size of the specimen ▪ recommended for routine useLeuckhart’s Embedding MoldCompound Embedding UnitPlastic Embedding Rings and Base MoldDisposable Embedding Molds
- 6. Multiple ChoiceMade up of a series of interlocking plates resting on a flat metal base ▪ has the advantage of embedding more specimens at a timeLeuckhart’s Embedding MoldCompound Embedding UnitPlastic Embedding Rings and Base MoldDisposable Embedding Molds
- 7. Multiple ChoiceConsists of a special stainless steel base mold fitted with a plastic embedding ringLeuckhart’s Embedding MoldCompound Embedding UnitPlastic Embedding Rings and Base MoldDisposable Embedding Molds
- 8. Multiple ChoiceA. Peel-Away disposable thin plastic embedding molds - B. Plastic Ice Trays: recommended for busy routine laboratories - C. Paper BoatsLeuckhart’s Embedding MoldCompound Embedding UnitPlastic Embedding Rings and Base MoldDisposable Embedding Molds
- 9. Multiple ChoiceEquipped with a warm plate and a cold plate at -5℃Tissue TekTissue Fek
- 10. Multiple ChoiceTissue Tek Advantagesease of useless paraffin wax neededfaster embeddingfirmly attached tissue and holder and permanent identification
- 11. Multiple ChoiceEmbedded molds should bear the case number and other identification data of the tissue blockTrueFalse
- 12. Multiple ChoiceRecommended for embedding hard tissues and for large sections of whole organs ▪ Bell jars were used to control the rate of evaporation of the solventCelloidin or Nitrocellulose MethodDouble-Embedding Method
- 13. Multiple ChoiceThe process in which tissues are first infiltrated with celloidin and subsequently embedded in paraffin mass ▪ used to facilitate cutting of large blocks of dense firm tissues ▪ recommended for making small sections of celloidin blocksCelloidin or Nitrocellulose MethodDouble-Embedding Method
- 14. Multiple ChoiceSuperior results for light microscopic studies (hard tissues such as undecalcified tissues) ▪ for high resolution light microscopy of tissue sections thinner than the usual 4-6 umPlastic (Resin) EmbeddingSolid Embedding
- 15. Multiple ChoiceBalanced mixture of epoxy plastic, catalysts, and accelerators; Vinylcyclohexane dioxide (VCD), one of its components, is carcinogenicEpoxy embedding plasticsPolyester plasticsAcrylic plastics
- 16. Multiple ChoiceIntroduced for electron microscopyEpoxy embedding plasticsPolyester plasticsAcrylic plastics
- 17. Multiple ChoiceMade up of esters of acrylic or methacrylic acid ▪ used extensively for light microscopyEpoxy embedding plasticsPolyester plasticsAcrylic plastics
- 18. Multiple ChoiceIs added to the plastic as a catalyst that decomposes to form phenyl radicals acting as active sites for the polymerization of acrylicsBenzoyl peroxideHydrogen peroxide:
- 19. Multiple ChoiceEpoxy Plastic: SlowBisphenol A (Araldite)Glycerol (Epon)Cyclohexene dioxide (Spurr)
- 20. Multiple ChoiceEpoxy Plastic: Lower viscosity - Often sold as mixtures of isomersBisphenol A (Araldite)Glycerol (Epon)Cyclohexene dioxide (Spurr)
- 21. Multiple ChoiceEpoxy Plastic: Very low viscosity - Infiltrate fastest
Bisphenol A (Araldite)
Glycerol (Epon)
Cyclohexene dioxide (Spurr)
- Answer choicesTagsAnswer choicesTags