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20 Cards in this Set
- Front
- Back
An example of an additive fixative is one that contains:
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Mercuric chloride
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When compared with tissue fixed in formalin, tissue fixed in zinc-formalin will show:
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superior nuclear detail
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Microscopic examination of H&E stained section fixed in formalin shows marked nuclear bubbling. One most often sees this artifact if the specimen is processed following:
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Underfixation
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Microscopic evaluation of H&E sections from a surgically removed small bowel specimen show an absence of much of the epithelium in otherwise normal tissue. This most likely resulted from:
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Delayed fixation
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A specimen of kidney must be shipped to another city for immunofluorescence studies. The specimen shoud be placed in:
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Michel Solution
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In a certain project it is importan to use a fixative that contains acetic acid yet stabilizes erythrocyte membranes. One fixative that could be used is:
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Hollande Solution
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When a microwave oven is used for fixation, the most critical factor is the:
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control of the temperature
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To adequately remove the calcium in a specimen containing areas of microcalcification, the tissue could be fixed in:
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Hollande solution
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Which of the following fixatives contain copper acetate:
Hollande Bouin Gendre Zamboni |
Hollande
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A specimen is submitted with the statement that it was fixed in formalin. Microscopic sections show marked lysis of erythrocytes. This indicates thate the fixative most likely was:
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acetified with acetic acid.
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Fixatives are classifed as additive because of the:
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additon, or binding of the fixative, to tissue proteins
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The only kidney biopsy tissue available has been fixed in phosphate-buffered glutaraldehyde for 2 hours and then placed in phosphate buffer solution. If a portion of this tissue is processed for light microscopy, sections would most likely show:
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non specific PAS staining
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Uric acid crystals are preserved only when tissue is fixed in:
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Absolute alcohol
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Improper preservation of tissue will result if there is:
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a delay in fixation
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A good fixative will:
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protect tissue against alteration by subsequent processing
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the function of methanol in commercial formalin soltuions is to:
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retard the polymerization of formaldehyde
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the subsequent demonstration f chromaffin granules requires which of the following fixatives?
Orth Bouin B-5 Formalin |
Orth
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In electron microscopy, Zamboni fluid, glutaraldehyde, and osmium tetroxide function as:
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fixatives
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Tissues will remain unfixed if placed in:
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Sodium borate
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Bouin solution is contraindicated for:
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tissue to be stained by the Feulgen reaction
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