Podcast
Questions and Answers
Which type of fixatives are made up of only 1 component substance?
Which type of fixatives are made up of only 1 component substance?
- Compound Fixatives
- Microanatomical Fixatives
- Metallic Fixatives
- Aldehyde Fixatives (correct)
Which fixative is known for its corrosive nature?
Which fixative is known for its corrosive nature?
- Heidenhain’s susa
- Zenker-formol (Helly’s) (correct)
- Zenker's solution
- Bouin’s solution
What is the primary component of Nuclear Fixatives?
What is the primary component of Nuclear Fixatives?
- Acetone
- Absolute Ethyl alcohol
- 10% Formol saline
- Glacial acetic acid (correct)
Which fixative is used to preserve chemical constituents of cells and tissues?
Which fixative is used to preserve chemical constituents of cells and tissues?
What is the pH of Nuclear Fixatives that preserve nuclear structures?
What is the pH of Nuclear Fixatives that preserve nuclear structures?
Which fixative is part of routine fixatives under Aldehyde Fixatives?
Which fixative is part of routine fixatives under Aldehyde Fixatives?
What is the composition of commercial formalin in terms of formaldehyde gas by weight?
What is the composition of commercial formalin in terms of formaldehyde gas by weight?
What is the advantage of buffering formalin to pH 7?
What is the advantage of buffering formalin to pH 7?
What is the function of methanol in commercial formaldehyde?
What is the function of methanol in commercial formaldehyde?
What happens to tissues fixed in unbuffered formalin that contain a high amount of blood?
What happens to tissues fixed in unbuffered formalin that contain a high amount of blood?
What are Formalin pigments a result of?
What are Formalin pigments a result of?
What is the chemical name for picric acid fixatives?
What is the chemical name for picric acid fixatives?
Why is it recommended to keep picric acid moist during storage?
Why is it recommended to keep picric acid moist during storage?
Which fixative is preferred for Masson’s trichrome staining for collagen, elastic, or connective tissue?
Which fixative is preferred for Masson’s trichrome staining for collagen, elastic, or connective tissue?
What must be done to remove the yellow color caused by picric acid staining?
What must be done to remove the yellow color caused by picric acid staining?
What effect does Glacial Acetic Acid have on tissues?
What effect does Glacial Acetic Acid have on tissues?
Why is Brasili’s Alcoholic Picroformol Fixative considered better than Bouin’s solution?
Why is Brasili’s Alcoholic Picroformol Fixative considered better than Bouin’s solution?
What is the main function of Methyl Alcohol in Wright's stain?
What is the main function of Methyl Alcohol in Wright's stain?
Which alcohol is used in 70-100% concentrations and can cause RBC lysis at lower concentrations?
Which alcohol is used in 70-100% concentrations and can cause RBC lysis at lower concentrations?
What is the recommended fixation time for Carnoy's Fluid?
What is the recommended fixation time for Carnoy's Fluid?
Which fixative is suitable for preserving glycogen and capable of coagulating mucus?
Which fixative is suitable for preserving glycogen and capable of coagulating mucus?
What is the primary use of Newcomer's Fluid in fixing tissues?
What is the primary use of Newcomer's Fluid in fixing tissues?
Which fixative is recommended for the nuclear preparation of sections?
Which fixative is recommended for the nuclear preparation of sections?
Which fixative is recommended for cytoplasmic structures such as mitochondria?
Which fixative is recommended for cytoplasmic structures such as mitochondria?
What effect does Trichloroacetic acid (TCA) have on tissues?
What effect does Trichloroacetic acid (TCA) have on tissues?
At what temperature is Acetone used as a fixative?
At what temperature is Acetone used as a fixative?
Which fixative is commonly used for freeze substitution techniques?
Which fixative is commonly used for freeze substitution techniques?
For what purpose is Heat Fixation usually employed?
For what purpose is Heat Fixation usually employed?
What is the primary use of Karnovsky’s paraformaldehyde-glutaraldehyde solution?
What is the primary use of Karnovsky’s paraformaldehyde-glutaraldehyde solution?
