Study guides, Class notes & Summaries

Acetic acid - ANSWER-This fixative does not fix or destroy carbohydrates, and it does not fix lipids. It penetrates very rapidly and leaves tissue very soft. It is added to many fixative mixtures because of its ability to fix nuclei. Glutaraldehyde - ANSWER-Techniques using Schiff reagent, such as the periodic acid-Schiff (PAS) stain, cannot be used on __________ fixed tissues because false positive results will be obtained. Glyoxal - ANSWER-This fixative is the smallest dialdehyde and is ...

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? - ...

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...

Histology Unit 1 Practice Questions with correct answers

Histology Unit 1 Practice Questions with correct answers

Basic Medical Histology (GMS6630) Unit 5 - Practice Questions with correct answers

GMS 6630 Block 1 Microscopy and Cytology questions with correct answers

GMS 6630 Histology Practice Questions with correct answers

GMS 6630 Unit 2 Questions with correct answers