Hematoxylin Study guides, Class notes & Summaries

What class device would a 'Drug Eluting Arterial Stent' be classified as? A) Class II device B) Class I device C) Class III device D) Class IV device - ANSWERD) Class IV device A suitable staining agent for a blood smear is: A) Gram's Stain B) Masson's Trichrome Stain C) H&E Stain D) Wright's Stain - ANSWERD) Wright's Stain In the context of biomaterials, the FDA regulates: A) Metals and Polymers B) Ceramics and Polymers C) Any material invented in a lab and test in vitro ...

4 Major Step of the Pap Stain: 1. Fixation 2. Nuclear staining 3. Cytoplasmic staining 4. clearing What is the point of the process of fixation in the progressive pap stain? To "fix" the cells; halt all cellular process What is the purpose of hydration in the progressive pap stain? To prepare the cells for the uptake of the water-base (aqueous) nuclear dye What are the solvent, mordant, and acidifying agent of hematoxylin? solvent: ethylene glycol and DI water mord...

• Which of the following actions should be taken when the hematoxylin and eosin stain lacks three distinct shades of pink? • check pH of fixative • replace hematoxylin • check pH of eosin • increase time in water: Ans- c. check pH of eosin • A dark brown pigment is noted on formalin fixed, hematoxylin and eosin stained section. What action can prevent this from occurring? • maintain formalin at a neutral pH • treat sections with alcoholic picric acid • "bread loaf...

The incorrect match between organism and the appropriate diagnostic procedure is: A. Onchocerca volvulus—examination of skin snips B. Cryptosporidium—modified acid-fast stain C. Echinococcus granulosus—routine ova and parasite examination D. Schistosoma haematobium—examination of urine sediment C. Echinococcus granulosus—routine ova and parasite examination In a patient with diarrhea, occasionally Entamoeba histolytica/E. dispar (four nucleated cysts, no chromatoidal bars...

MLPAO Test Prep - Questions and Answers (Complete Solutions) A meniscus is... a) a super saturated solution b) a type of "rough" balance c) the curved surface formed by a liquid in a container d) the magnet used for mixing solutions e) the tip of a pipette Mitosis refers to a/an... a) infectious disease b) bone disorder c) absorption problem d) division of cells e) deviation from statistical mean Precise volume measurements are made in a/an... a) graduated cylinder b) beaker c) Erlenmeyer fl...

CSMLS practice questions with complete solutions. Which of the following actions should be taken when the hematoxylin and eosin stain lacks three distinct shades of pink? a. check pH of fixative b. replace hematoxylin c. check pH of eosin d. increase time in water - correct answers.c. check pH of eosin A dark brown pigment is noted on formalin fixed, hematoxylin and eosin stained section. What action can prevent this from occurring? a. maintain formalin at a neut...

Hematoxylin Commonly used for: Nucleus: Cytoplasm: RBC's: Collagen fibers: Specifically Stains: Commonly used for: General staining with eosin Nucleus: Stains blue Cytoplasm: Stains RER and ribosomes RBC's: N/A Collagen fibers: N/A Specifically Stains: Nucleic acids blue Eosin Commonly used for: Nucleus: Cytoplasm: RBC's: Collagen fibers: Specifically Stains: Commonly used for: General staining with hematoxylin Nucleus: N/A Cytoplasm: Pink- intense pink esp. with n...

MLPAO Test Prep ~ Histology and Cytology Latest Update Rated A Histology Definition Study of the structure of tissues Histology: Types of specimens received Surgical procedures, biopsies, autopsies Histology: Surgical specimens include Whole or part of an organ, cysts, tumors Histology: Biopsy specimens include Removal of a representative sample (through needle aspiration, surgery, or endoscopy) Histology: Autopsy specimens include Removal of tissue from a deceased person (to analyze the cau...

HTL Histotechnology: Special StainsThis is a stain for acid mucopolysaccharides and sialomucins. - correct answers Alcian blue This stains reacts with cations and is used to find calcium in tissue. - correct answers Alizaran Red S This stains uses ferric ions to demonstrate mucopolysaccharides and glycoproteins. Must be done at a low pH. - correct answers Colloidal iron In this stain, tissue is first treated with alkali to open up binding sites through the release of hydrogen bonds. - c...

Histotechnology: Special Stains, etc This is a stain for acid mucop olysaccharides and sialomucins. - correct answers Alcian blue This stains reacts with cations and is used to find calcium in tissue. - correct answers Alizaran Red S This stains uses ferric ions to demonstrate mucopolysaccharides and glycoproteins. Must be done at a low pH. - correct answers Colloidal iron In this stain, tissue is first treated with alkali to open up binding sites through the release of hydrogen bonds...