BOC Study Guide Histotechnology 2nd edition Study Guide And Actual Answers.
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Course
Histotechnology
Institution
Histotechnology
An example of an additive fixative is one that contains: - Answer picric acid
Microscopic examination of an H&E stained section fixed in formalin shows marked nuclear bubbling. One most often sees this artifact if the specimen is processed following: - Answer incomplete fixation
Microsc...
BOC Study Guide Histotechnology 2nd
edition Study Guide And Actual
Answers.
An example of an additive fixative is one that contains: - Answer picric acid
Microscopic examination of an H&E stained section fixed in formalin shows marked nuclear bubbling.
One most often sees this artifact if the specimen is processed following: - Answer incomplete fixation
Microscopic evalution of H&E stained sections from a surgically removed small bowl specimen shows an
absence of much of the epithelium in otherwise normal tissue. This most likely resulted from: - Answer
delayed fixation
When compared with tissue fixed in formalin, tissue fixed in zinc-formalin will show: - Answer superior
nuclear detail
A certain project requires a fixative that contains acetic acid yet stabilizes erythrocyte membranes. One
fixative that could be used is: - Answer Hollande solution
A specimen of kidney must be shipped to another city for immunofluorescence studies. The specimen
should be placed in: - Answer Michel Solution
When the microwave oven is used for fixation, the most critical factor is the: - Answer control of
temperature
To adequately remove the calcium from a specimen containing areas of microcalcification, the tissue
should be fixed in: - Answer Hollande solution
Which of the following fixatives contains copper acetate? - Answer Hollande
, A specimen is submitted with the statement that it was fixed in formalin. Microscopic sections show
marked lysis of erythrocytes. This indicates that the fixative most likely was: - Answer acidified with
acetic acid
Fixatives are classified as additive because of the: - Answer addition, or binding of the fixative to tissue
proteins.
Kidney biopsy tissue has been fixed in phosphate-buffered glutaraldehyde for 2 hours and then placed in
phosphate buffer solution. If a portion of this tisssue is processed for light microscopy, sections would
most likely show: - Answer nonspecific PAS staining
Uric acid crystals are preserved ONLY when tissue is fixed in: - Answer absolute alcohol
Improper preservation of tissue will result if there is: - Answer a delay in fixation
A good fixative will: - Answer protect tissue against alteration during subsequent processing.
The function of methanol in commercial formalin solutions is to: - Answer retard the polymerization of
formaldehyde
In electron microscopy, Zamboni fluid, glutaraldehyde, and osmium tetroxide function as: - Answer
fixative solutions
Tissue will remain unfixed if placed in: - Answer sodium borate
Bouin Solution is contraindicated for: - Answer tissue to be stained by the Feulgen reaction
Formalin pigment can be removed from tissue sections by treatment with 10%: - Answer ammonium
hydroxide in 70% alcohol
Stock neutralized formalin is prepared in the laboratory by storing the solution over a layer of calcium
carbonate. The solution withdrawn from this stock container will: - Answer become acidic
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