Question 1

What type of fixative is commonly used for amino acid histochemistry?

Accepted Answer

A) Formaldehyde vapor 
B) Alcoholic fixative 
C) Baker's formol calcium 
D) Acetone 
A) Formaldehyde vapor 
B) Alcoholic fixative 
C) Baker's formol calcium 
D) Acetone

Question 2

Why is glutaraldehyde the preferred fixative for specimens in electron microscopy?

Accepted Answer

A) Glutaraldehyde is much easier to obtain than formaldehyde. 
B) It excels at preserving the detailed structures of the cells and tissues 
C) Tissues fixed with glutaraldehyde stain well with dyes. 
D) Glutaraldehyde does not change the solubility of the fixed tissue. 
A) Glutaraldehyde is much easier to obtain than formaldehyde. 
B) It excels at preserving the detailed structures of the cells and tissues 
C) Tissues fixed with glutaraldehyde stain well with dyes. 
D) Glutaraldehyde does not change the solubility of the fixed tissue.

Question 3

What type of Mercuric chloride fixative is added with glacial acetic acid to avoid dark precipitate development?

Accepted Answer

A) Zenker's Fluid 
B) B-5 fixative 
C) Muller's fluid 
D) Heidenhain's Susa 
A) Zenker's Fluid 
B) B-5 fixative 
C) Muller's fluid 
D) Heidenhain's Susa

What type of fixative is commonly used for amino acid histochemistry?

Why is glutaraldehyde the preferred fixative for specimens in electron microscopy?

What type of Mercuric chloride fixative is added with glacial acetic acid to avoid dark precipitate development?

Laboratory Operations

Microtomy

Processing and Embedding

Staining

Filters

Exam 1: Fixation

What type of fixative is commonly used for amino acid histochemistry?

Why is glutaraldehyde the preferred fixative for specimens in electron microscopy?

What type of Mercuric chloride fixative is added with glacial acetic acid to avoid dark precipitate development?

Laboratory Operations

Microtomy

Processing and Embedding

Staining

Filters