Fixation Study guides, Revision notes & Summaries

What are the steps tissue must go through before it is viewed under a microscope? CORRECT ANSWER-1. Fixation 2. Processing 3. Embedding 4. Microtomy 5. Staining 6. Coverslipping Define fixation. CORRECT ANSWER-The preservation of cells and tissue in as life-like a way as possible by stabilizing the protein so that it is resistant to further changes. What are the functions of fixation? CORRECT ANSWER-1. To prevent putrefaction and autolysis 2. To help maintain proper relationships b/w...

What is a photosynthetic autotroph? - Answer-An organism that makes its own food from inorganic ingredients. What is the fluid inside chloroplasts called? - Answer-Stroma What are the membranes inside chloroplasts called? - Answer-inner and outer membranes Write the overall equation for photosynthesis. - Answer-6CO2+6H2O→C6H12O6+6O2 What is the primary function of pigments in photosynthesis? Name the primary pigment used in photosynthesis. - Answer-Pigments absorb certain wavelengths. Th...

A client returns to the postoperative unit following an open reduction and internal fixation of a hip fx. the PN applies the prescribed sequential compression device (SCD) to both lower extremities. WHAT ACTION IS IMPORTANT WHEN TURNING THE CLIENT TO A LATERAL POSITION? - Answer- Observe the SCDs continue to inflate and deflate when the client is turned. While the PN assists a postoperative client with an incentive spirometer, the client experiences wound evisceration. WHAT ACTION SHOULD THE ...

Most coagulant fixatives achieve their full effect on tissue at any particular depth as soon as... - Answer they have penetrated to that depth at a concentration sufficient to cause coagulation. Fixative - Answer alters tissue by stabilizing the protein so that it is resistant to further changes. A fixative must change... - Answer the soluble contents of the cell into insoluble substances so that those substances are not lost during the subsequent processing steps. Denaturation - ...

Histotechnology - Tissue FixationAdditive fixatives Mercuric chloride Chromic acid Picric acid Formaldehyde Glutaraldehyde Osmium tetroxide Potassium dichromate Glyoxal Zinc salts Nonadditive fixatives Alcohols Acetone Acetic Acid Coagulant Fixatives Mercuric acid Chromic acid Picric acid Zinc salts Alcohols Acetone Acetic acid Noncoagulant Fixatives Formaldehyde Glutaraldehyde Osmium Tetroxide Potassium Dichromate Glyoxal Are coagulant fixatives addit...

BOC Fixation Exam - Questions and Answers When liver tissue is fixed with 2% to 3% glutaraldehyde: A. Glycogen is dissolved B. The penetration rate is very rapid C. A chemical reaction occurs with lipids D. The ultrastructure is preserved A poor fixative is characterized by: A. The absence of shrinking or swelling of tissue B. Inactivation of tissue enzymes C. Slow tissue penetration D. The absence of distortion of dissolution Bouin solution contains all of the following EXCEPT: A. Picric acid...

BOC Fixation Exam Questions and Answers 2024.

BOC Study Guide Histotechnology 2nd ed.- Fixation (HT)An example of an additive fixative is one that contains: - correct answers 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: - correct answers 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 othe...

2023 HESI EXIT EXAM Version 2 NGN /Maternity and Peds QUESTIONS AND ANSWERS 1. The school nurse is screening students for scoliosis and notes that one student has Lordosis. Which finding should the nurse document in the student screening record? A. excessive concave curvature of the lumbar spine 1. A client is admitted to the intensive care unit with diabetes insipidus due to a pituitary gland tumor. Which potential complication should the nurse monitor closely? a. Hypokalemia ...

CSMLS Histology Fixation Questions and answers 100% verified. The 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. enzymes are proteins and rendered inactive by fixation Which of the following fixatives contains picric acid, formalin and acetic acid a. Zenker b. Helly c. Bouin d. Zamboni - correct answers.c. Bouin The rati...