Fixative - Study guides, Class notes & Summaries

Carsons Mordant . substance’s or metals that act as a link between dye and tissue A mordant is a metal with a valency of at least two. The two commonest metals used in histotechnology are aluminum and ferric iron, both with valencies of three. The attachment of mordant to dyes is by means of a covalent and a coordinate bond. Fixative additive fixation- stabilizes proteins by denaturing proteins (chemical, heat) and combines with fixative molecule becoming insoluble non additive ...

AROMA 203 Final Questions And Answers With Verified Solutions If the initial design of a study is wrong and it still goes ahead no amount of re-analysis will produce useful results because of a ..... ANS confounding factor Which of the following statements best describes a top note? ANS The top note is the very first impression you have of the aroma Geranium essential oil is able to be stored for long periods. It is relatively stable because it is high in which of the following? ANS al...

fixitive used for specimens - correct answers 10% neutral buffered Formalin Marking Margins - correct answers - to identify resection margins, if tumour too close to these margins they know they have to go in and cut more out - Guide to embedding What is used to clean grossing station - correct answers phenolic disenfectant or gluteroldehyde how long is specimens stored for - correct answers 1-3 months some legal cases kept indefinitly Why is fresh tissue not stored? - correct answ...

An example of an additive is one that contains: A. Picric acid B. Acetic acid C. Ethyl alcohol D. Acetone - correct answer 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 - correct answer Superior nuclear detail Micr...

BOC Study Guide- Fixation (Exam 1) Questions and Answers Rated A+ What is the primary purpose of fixation in histology? A) To enhance tissue color B) To prevent tissue decomposition and preserve cellular structure C) To increase tissue flexibility D) To minimize sample size Which of the following fixatives is commonly used for preserving cellular detail in tissues? A) Acetic acid B) Formalin C) Ethanol D) Glutaraldehyde What is the ideal concentration of formaldehyde in 10% neu...

accessibility correct answers the ease with which people can move into and out of a space ADA act of 1990 correct answers requires businesses, services, and public transportation provide reasonable accommodations for disabled people. Door: 36 in, clearance space in rooms and hallways: 60 in. in diameter to make 180 degree turn. ADA Amendments Act of 2008 (ADAA) correct answers broadens the definition of disability, making it easier for individuals who seek ADA protection to establish that ...

AROMA 203 Modules 1, 2, & 3 Questions And Answers Rated A+ At what temperature do essential oils evaporate when exposed to air? 32 degrees F 60 degrees F 95 degrees F All of the above ANS All of the Above When an essential oil is referred to as a fixative which of the following could also be used to describe it? bottom note dryout note base note all of the above ANS All of the Above What is important when you are determining participant allocation in your sample and control...

Tissue fixation, sectioning, processing, paraffin embedding, cutting of paraffin blocks, staining, additional special studies - steps of tissue preparation formalin - Best fixative for bright field microscopy. Routine histology fixative. Fixes tissue by cross-linking proteins, particularly lysine residues. The antigenicity of proteins is preserved. glutaraldehyde - fixative used for electron microscopy bouin - A fixative that is made of picric acid, acetic acid, and formalin. Used in ti...

Praxis Art Content Knowledge UPDATED ACTUAL Questions and CORRECT Answers Batik - CORRECT ANSWER- Traditional textile art form in Indonesia. Wax design applied to white cotton fabric. Artist paints with hot melted wax on dry fabric using a tjanting. Fabrics are placed in progressively darker dyes with new applications of wax between dye baths. Shipping a charcoal drawing - CORRECT ANSWER- Mount on museum board, spray with fixative, tape same size paper on top. DO NOT roll

Carsons Mordant . substance’s or metals that act as a link between dye and tissue A mordant is a metal with a valency of at least two. The two commonest metals used in histotechnology are aluminum and ferric iron, both with valencies of three. The attachment of mordant to dyes is by means of a covalent and a coordinate bond. Fixative additive fixation- stabilizes proteins by denaturing proteins (chemical, heat) and combines with fixative molecule becoming insoluble non additive ...