Additive fixatives - Study guides, Class notes & Summaries
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HTL ASCP Exam- Fixatives Solved 2023.
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HTL ASCP Exam- Fixatives Solved 2023. 
Acetic Acid - ANSWER Non coagulant, penetrates quickly and leaves tissues very soft. Used often as an additive to precipitate and preserve the nucleoproteins and fix the nuclei. 
 
Acetic Acid - ANSWER Swells tissues dramatically by breaking collagen bonds and allowing bonds to absorb water. Used as additive to counter-act the shrinking effect of other fixatives. 
 
Formaldehyde - ANSWER Non coagulant and additive fixative that reacts with amino groups that...
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Exam (FIXATIVES ) MBC
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Fixatives denature proteins by coagulation,by forming additive compounds, or by a combination of coagulation and additive process.
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BOC Fixation(Questions and Answers 100% correct.
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BOC Fixation(Questions and Answers 100% correct. 
An example of an additive fixative is one that contains: 
A. Picric Acid 
B. Acetic Acid 
C. Ethyl Alcohol 
D. Acetone 
Picric Acid 
 
 
When compared with tissue fixed in formalin, tissue fixed in zinc-formalin will show: 
A. Better ultrastructural preservation 
B. Decreased immunoreactivity 
C. Increased enzyme activity 
D. Superior nuclear detail 
Superior nuclear detail 
 
 
 
 
 
 
00:21 
01:08 
Microscopic examination of an H&E stained sect...
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