Totect Study guides, Class notes & Summaries

Histotechnology - FixationThe primary purpose of fixation is to: a. stop enzymatic action b. remove the water from the tissue c. provide support for the tissue d. autolyze the tissue - correct answers a Which of the following fixatives contains picric acid, formalin, and acetic acid? a. Zenker b. Helly c. Bouin d. Zamboni - correct answers c The volume of fixative should exceed the volume of the tissue by: a. 1 time to 2 times b. 5 times to 10 times c. 15 times to 20 ...

Receiving Gross examination Fixation Decalcification Dehydration Clearing Infiltration Embedding Sectioning Staining Mounting CORRECT ANSWER-11 routine procedures in the histopathology laboratory clue: RG - FD - DC - IE - SSM Check the label CORRECT ANSWER-When receiving the specimen, make sure to-- Patient's name Age Sex Relevant clinical data Surgical findings Nature of operation Name of the tissue submitted CORRECT AN

Absorption - correct answers When tissue is penetrated by, or absorbs, a dye solution and becomes colored without any other change or chemical reaction occurring. An example is the absorption of oil red O or Sudan black B by fat Achromatic - correct answers Without color, or not easily stained. In microscopy, achromatic lenses are corrected for two colors, red and blue. This helps produce images free of chromatic aberrations Acid mucosubstances - correct answers a term used to include bot...

Histotechnology HTL Exam - Comprehensive Review questions with correct answers

Histotechnology - NSH- Gross Dissection and Description at the Basic Level questions with correct answers

HTL Histotechnology Exam 1The overall magnification of a microscope is achieved by what two values? - correct answers objective lens x eyepiece lens What is the magnification of scanning or low power? - correct answers 2.5x to 4.0x What is the magnification of intermediate power? - correct answers 10x to 20x What is the magnification of high power? - correct answers 40x What is the magnification of high dry? - correct answers 100x What is the magnification of oil immersion? - corr...

Histotechnology- Staining Questions (HW Questions)Dyes may be classified as natural or synthetic. Examples of natural dyes are: - correct answers hematoxylin, carmine, and indigo Mordants are generally classified as: - correct answers Metals Generally, acid dyes are differentiated in solutions that are weakly: - correct answers basic A dye in which the coloring elements are found in the anionic portion of the compound is a/an: - correct answers acid dye Differential staining of nucle...

What is the purpose of embedding? CORRECT ANSWER-hold tissue; orient tissue Why do we want the tissue held? CORRECT ANSWER-so we can cut very thin sections and it has more stability Why do we orient tissue? CORRECT ANSWER-so that the view the pathologist has is optimal for diagnosis List the two types of Embedding media CORRECT ANSWER-Water-soluble and water-insoluble List examples of water-soluble media CORRECT ANSWER-Carbowax, gelatin, agar, OCT What is carbowax used for? CORREC...

HTL Histotechnology Exam 4List types of carbohydrates? - correct answers - sugars - starch - Cellulose - polymers linked to proteins - glycogen - Group I Neutral polysaccharide - Group II Acid Muco Polysaccharide - Group III Glycoprotein - Group IV Glycolipid What is a Group I Carbohydrate that is glucose which contains glycogen, starch, and cellulose? - correct answers Neutral Polysaccharide What is Group II Carbohydrate? - correct answers Acid Muco polysaccharide What is Grou...

Formaldehyde hazard CORRECT ANSWER-Carcinogen Type A fire extinguisher is used for CORRECT ANSWER-paper and wood fires The amount of a chemical substance that when ingested is expected to cause the death of half of an experimental animal population is known as CORRECT ANSWER-LD50 Following monitoring the T'WA of formaldehyde is found to be 0.60 ppm. This means that: CORRECT ANSWER-A medical surveillance program must be established The top red diamond and the NFPA chemical hazard lab...