Fixative - Study guides, Class notes & Summaries

HTL ASCP Exam- Fixatives questions with correct answers

Acetic Acid - Answer Non coagulant, penetrates quickly and leaves tissues very soft. Used often as an additive to precipitate and preserve the nucleoproteins and fix the nuclei. Acetic Acid - Answer Swells tissues dramatically by breaking collagen bonds and allowing bonds to absorb water. Used as additive to counter-act the shrinking effect of other fixatives. Formaldehyde - Answer Non coagulant and additive fixative that reacts with amino groups that link protein chains together. ...

An example of an additive fixative is one that contains: - Answer picric acid Microscopic examination of an H&E stained section fixed in formalin shows marked nuclear bubbling. One most often sees this artifact if the specimen is processed following: - Answer incomplete fixation Microscopic evalution of H&E stained sections from a surgically removed small bowl specimen shows an absence of much of the epithelium in otherwise normal tissue. This most likely resulted from: - Answer d...

Prophecy LPN/LVN A Questions and Answers. What is the sing most important means of controlling and preventing the spread of infections? A. Wearing goggles B. Hand washing C. Wearing gloves D. wearing gown What observation should you report to the register nurse when caring for a patient with peritoneal dialysis catheter? A. purulent drainage B. Tubing visible under skin C. Absorbent gauze over site D. Clamped catheter Which of the following is the route of administration of a drug that is placed...

BOC Study Guide Histotechnology 2nd Ed. - Fixation (HT) Questions and Answers Graded A+ What is the primary purpose of fixation in histotechnology? A) To enhance staining B) To preserve tissue morphology C) To increase tissue size D) To accelerate decomposition Which of the following is a common fixative used in histology? A) Formaldehyde B) Ethanol C) Acetone D) Isopropanol What is the optimal concentration of formaldehyde for fixation? A) 1% B) 5% 2 C) 10% D) 20...

HTL Histotechnology ASCP Fixatives (n) 2024 Exam Review Questions and Answers 100% Pass

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 cl...

HTL ASCP EXAM- FIXATIVES (N) QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

AUBF Questions and Answers Already Passed What are the drawbacks of refrigerating urine samples? - a) Increases the specific gravity - b) Causes precipitation of amorphous phosphates and urates - c) Alters the color of the specimen - d) Causes enzyme degradation Explanation: Refrigeration can cause the specific gravity of urine to rise and lead to the formation of amorphous phosphates and urates. It does not affect the color or enzyme activity. --- Which substances are pr...

OSMT Histology Exam Questions and Answers All Correct What are 3 transport medias they use for tissues - Answer-1) Saline- for unfixed STAT 2) Michaels transport medium 3) fixative What is michaels transport medium - Answer-it is commercial saline-like preservatives for unfixed tissue to allow for transportation or delay of fixation What is the best transport medium to use for tissues - Answer-fixative When transporting wet tissue specimens what type of packing is it and what is ...