Phosphate buffered saline - Study guides, Class notes & Summaries

What are the the 2 recommended anticoagulants for Plasma or Bone Marrow Aspirate Samples EDTA and ACD Why is EDTA one of the recommended coagulants for Plasma or Bone marrow aspirate samples 1)A chelating (binding) agent for divalent cations such as Mg++ or Ca++ 2)Helps deactivate metal-dependent enzymes 3)Suppresses damage to DNA and proteins by deoxyribonucleases 4)Allows DNA to remain in native state and large molecular size before extraction What does EDTA stand for? ethy...

An example of an additive is one that contains: A. Picric acid B. Acetic acid C. Ethyl alcohol D. Acetone - correct answer Picric Acid When compared with tissue fixed in formalin, tissue fixed in zinc-formalin will show: A. Better ultrastructural preservation B. Decreased immunoreactivity C. Increased enzyme activity D. Superior nuclear detail - correct answer Superior nuclear detail Micr...

BB EXAM 7 QUESTIONS & ANSWERS 2023/2024 CH21: Immune hemolytic anemias may be classified in which of the following categories? a. alloimmune b. autoimmune c. drug-induced d. all of the above - ANSWER-d. all of the above CH21: When preparing cells for a cold autoadsorption procedure, it is helpful to pretreat the cells with which of the following? a. dithiothreitol b. ficin c. phosphate-buffered saline at pH 9 d. bovine albumin - ANSWER-b. ficin CH21: The blood group involv...

BIOCHEMISTRY LAB REPORT 3| PORTAGE LEARNING| WITH PROCEDURES, EXPLANATION AND FINAL RESULTS| LATEST UPDATE 2024 SCORED A+ Experiment #: Lab 3 Title: Enzymatic Activity of Lactase. Purpose: The purpose and goals of this experiment are 1. Isolate an enzyme. The student should be able to explain how to isolate an enzyme and be able to isolate an enzyme in the lab. The student should also be able to explain and perform 2. Assay enzyme activity spectrophotometrically, 3. Investigate the tempe...

Molecular Dipstick Test for Diagnosis of Sleeping Sickness S. Deborggraeve,1,3* F. Claes,1 T. Laurent,1 P. Mertens,2 T. Leclipteux,2 J. C. Dujardin,1 P. Herdewijn,3 and P. Bu ¨scher1 Department of Parasitology, Institute of Tropical Medicine, Antwerp, Belgium,1 Coris BioConcept, Gembloux, Belgium,2 and Laboratory of Medicinal Chemistry, Rega Institute for Medicinal Research, Leuven, Belgium3 Received 14 December 2005/Returned for modification 27 January 2006/Accepted 2 June 2006 Hum...

The estimation of hyaluronic acid concentration by measurement of viscosity is useful in evaluating which type of fluid? a. Cerebrospinal b. Peritoneal c. Pleural d. Synovial - correct answerd. Synovial ----- Hyaluronic acid is a substance found in the synovial (joint) fluid. This allows for the thicker consistency of the fluid for cushioning and protection from friction during movement. A negative glucose oxidase test and a positive test for reducing sugars in urine indicate: a. T...

  FFP used for - Answer: Multiple coagulation deficiencies Factor XI deficiency Cryoprecipitate used for - Answer: Replace fibrinogen loss due to DIC Massive bleeding Dysfibrinogenemia with active bleeding Plateletpheresis preparation steps - Answer: Light spin (remove RBC) Heavy spin (spin down PLT and WBC) Supernatant goes into bag for freezing (FFP) Remaining plasma, platelets, and WBC = platelets Irradiated blood prevents - Answer: GVHD Also used for ca...

AMT MT Study Guide Exam 551 Questions with Verified Answers The three major phases of laboratory testing that a QA program should evaluate include a. mean, standard deviation, and coefficient of variation. b. pre-op, operative, and post-op. c. pre-analytical, analytical, and post-analytical. d. outpatient, inpatient, and non-patient. - CORRECT ANSWER c. pre-analytical, analytical, and post-analytical. The process by which test results achieve the same high levels of accuracy and prec...

Which of the following condition is the most common cause of increase anion gap? A. Metabolic alkalosis B. Metabolic acidosis Respiratory acidosis Respiratory alkalosis - B. Metabolic acidosis High anion gap metabolic acidosis is caused generally by the body producing too much acid or not producing enough bicarbonate. This is often due to an increase in lactic acid or ketoacids, or it may be a sign of kidney failure. More rarely, high anion gap metabolic acidosis may be caused by ingesting meth...

HTL ASCP Exam- Fixatives questions and answers. A+ test Acetic Acid 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 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. 00:30 01:41 Formaldehyde Non coagulant and additive fixative that react...