Most rapid fixative - Study guides, Class notes & Summaries

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...

Carnoy's CORRECT ANSWER Most rapid fixative The Philippine Medical Technology Act of 1969 CORRECT ANSWER RA 5527 is also known as... Bouin's CORRECT ANSWER Fixative used for embryos 20:1 CORRECT ANSWER Ratio of fixative to the specimen Heidenhein's Susa CORRECT ANSWER For skin biopsies 21 years old CORRECT ANSWER In what age can you claim your certificate or license? Rapid diagnosis CORRECT ANSWER Primary importance of frozen sections Mercuric chloride CORRECT ANSWER Fixa...

BOC Fixation Exam - Questions and Answers When liver tissue is fixed with 2% to 3% glutaraldehyde: A. Glycogen is dissolved B. The penetration rate is very rapid C. A chemical reaction occurs with lipids D. The ultrastructure is preserved A poor fixative is characterized by: A. The absence of shrinking or swelling of tissue B. Inactivation of tissue enzymes C. Slow tissue penetration D. The absence of distortion of dissolution Bouin solution contains all of the following EXCEPT: A. Picric acid...

Histotechnology- FixationFixation: - correct answers Alteration of biological tissue by chemical or physical means which stabilizes proteins found in tissue, preventing further metabolic activity. Purpose of Fixation: - correct answers To kill tissue and preserve it by limiting the effects of decay, putrefaction, and autolysis. Fixation also hardens tissue which makes it easier to gross, and easier to section once it is processed and embedded. Physical Agents: - correct answers - Heat and ...

Histopathologic Techniques: Fixation, Chapter 3 Part I (Gregorios)Fixation - correct answers the first and most critical step in histotechnology involves fixing and preserving fresh tissue for examination first aim: preserve cell (life-like) second aim: harden and protect tissues most important: stabilization of proteins Additive fixation and Non-additive fixation - correct answers the two basic mechanisms involved in fixation Additive fixation - correct answers the chemical constitue...

MLPAO Test Prep ~ Microbiology Questions and Answers 100% Pass Microbiology is the study of Microscopic organisms Four major groups of Microorganisms Bacteria, Viruses, Fungi, Parasites Viruses are non cellular Parasites Viruses are observed through Electron microscope Viruses contain a genomic core made up of either ____ or ____ (never both!) and a coat of ____ surrounding the core called an ___ DNA, RNA, protein, envelope Viruses are obligate intracellular_____ Parasites Prokaryotic bact...

Histopathology & MTLE Exam Questions And Answers |Guaranteed Success

What method is used to stabilize proteins making it resistant to further damage? - ANSWER-Fixation Name two methods of fixation? - ANSWER-Chemical reaction (formaldehyde) and physical (heat or dessication) What are two causes of Post mortem putrefaction if the tissue is not fixed? ***** - ANSWER-bacteria or mold What factor causes autolysis if tissue is not fixed? **** - ANSWER-enzyme attack What are four functions of fixatives? - ANSWER-1. kills tissue to prevent putrefaction and au...

lysis or dissolving of cells by enzymatic action - ANSWER-Autolysis Breakdown of tissue by bacterial action - ANSWER-Putrefaction fixative classified as aldehyde - ANSWER-Formalin found in Bouin's fluid, is explosive and poisonous - ANSWER-Picric Acid good fixative for nuclei & gives great detail - ANSWER-Zenker's Fluid recommended for fixation of tissues for electron microscopy - ANSWER-Gluteraldehyde cytology fixative - ANSWER-95% ethanol fixative classified as oxidizing...

Praxis II Art Content Knowledge (5134) Art Making & Historical/Theoretical Foundation of Art 100% Pass In Jacob Lawrence's "Barber Shop," what does Lawrence use to create a visual rhythm? Shapes and colors are used to create a visual rhythm. Lawrence uses a variety of repeated shapes (such as the triangular barber capes and the shapes of the men's arms) and colors (such as the dark browns, light blues, greens, and reds/oranges) to create an intricate combination of rhythms in the compositio...