Paraffin sections - Study guides, Class notes & Summaries

Histotechnology - NSH questions - EmbeddingOrienting a specimen for embedding should be be decided during: - correct answers Grossing By which of the following is a purpose of embedding? - correct answers Prevents damage to the cells Which of the following embedding procedures involves first infiltrating the tissue with one medium and then embedding in another? - correct answers Double To prevent formation of a thick layer of paraffin on the bottom of the mold during embedding, the tiss...

match the celsius temp w/ its common application in the lab setting. 4 degrees -20 degrees 37 60 -70 -150 - ANSWER-routine refrigeration of solution temp of cryostats incubator temp oven temp to melt paraffin storage of frozen sections temp to snap freeze the problem in the above image could be a result of: - ANSWER-aggressive trimming of the block what can be done to eliminate the problem seen in Image A? (unit exm 1) - ANSWER-trim blocks more slowly and select sections wi...

Exam Study Set for MLPAO 2024 Questions and Answers Which of the following is the counterstain for the gram stain method? - crystal violet - safranin - acetone-alcohol - iodine - gentian-violet - CORRECT ANSWER-safranin Most fixatives act by: - precipitating calcium ions in cells - precipitating cell wall - precipitating carbohydrates in cells - precipitating enzymes in the cells - none of the above - CORRECT ANSWER-precipitating cell wall A Westergren tube is used for which t...

What is the study of normal histology important for? - correct answer The understanding of the cellular/tissue structures associated with biochemical/physiological processes and identify disease processes and histopathologies. What are the levels of organization of the body? - correct answer Atom. Molecule. Organelle. Cell. Tissue. Organ. Organ system. Organism. What is the general process of gett...

What thickness are paraffin sections routinely cut? - ANSWER-4-6 um Why should the temperature of the flotation bath be set specifically at 5-10 °C below the melting point of the paraffin wax? - ANSWER-water bath that is too hot may distort tissue morphology Warm enough to relieve compression Cool enough so the wax does not melt What thickness are paraffin sections cut for the Luxol Fast Blue procedure? - ANSWER-10 - 15 um Why are paraffin blocks put on ice prior to cutting? - ...

Histopathology Question and answers 2023/2024 verified to pass histopathology - correct answers the microscopic examination of tissue in order to study the manifestations of disease fixation - correct answers chemical or physical method of killing the tissue and yet retaining the characteristic peculiarities of shape and structure formalin - correct answers a chemical commonly used as a fixative How to cut tissue into thin sections? - correct answers freeze the fresh fixed tissue, deh...

Histotechnology - NSH questions - EmbeddingOrienting a specimen for embedding should be be decided during: - correct answers Grossing By which of the following is a purpose of embedding? - correct answers Prevents damage to the cells Which of the following embedding procedures involves first infiltrating the tissue with one medium and then embedding in another? - correct answers Double To prevent formation of a thick layer of paraffin on the bottom of the mold during embedding, the tiss...

Histopathologyhistopathology - correct answers the microscopic examination of tissue in order to study the manifestations of disease fixation - correct answers chemical or physical method of killing the tissue and yet retaining the characteristic peculiarities of shape and structure formalin - correct answers a chemical commonly used as a fixative How to cut tissue into thin sections? - correct answers freeze the fresh fixed tissue, dehydrate tissue in alcohols (embedding) embedding ...

Which of the following is the counterstain for the gram stain method? - crystal violet - safranin - acetone-alcohol - iodine - gentian-violet - ANSWER safranin Most fixatives act by: - precipitating calcium ions in cells - precipitating cell wall - precipitating carbohydrates in cells - precipitating enzymes in the cells - none of the above - ANSWER precipitating cell wall A Westergren tube is used for which test procedure? - prothrombin time - hematocrit - platelet coun...

What is the role of albuminuria testingAnswer - Detect small urinary concentrations of albumin before there is irreparable renal damage Which of the following markers is often elevated with a solid tumor mass?Answer - LDH. It is shown to be high with solid tumors. This makes it useful in monitoring the size of tumors during treatment. Which of the following accounts for 90 percent of osmolality in plasma?Answer - Sodium (Na+). Sodium (Na+) is necessary for electrolyte balance. It associ...