What is the minimum number of reactive antigen-positive and non-reactive antigen-negative panel cells that must be present in order to identify a red cell antibody with statistical confidence? Please select the single best answer Two Three Five Ten
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- Three (3) true positives (antigen is present and patient's sera reacted) and three (3) true negatives (antigen is not present and patient's sera did not react): Question 3 options: Is a tool that can be used to increase the probability that any alloantibodies identified is/are correct Is an AABB requirement in order to prove each alloantibody specificity Proves that the antibody procedure was performed correctly Gives a P value of 95%For the diagram below, which of the following statements is TRUE? (a) V C L -s-s-+ S-S- s-s- с S-S- V CV Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings None of the other four answers is a true statement The constant (C) regions form the antigen binding sites Each antibody (immunoglobulin) molecule is composed of four protein molecules, two identical "light" chains and two identical “heavy” chains The variable (V) regions determine class of antibody Antigens bind to the "stem", composed of the constant regions of the two "heavy" chainsA technologist failed to notice that the centrifuge had not properly centrifuged the test tubes prepared for antibody identification. The time of centrifugation was 15 seconds instead of 30 seconds. What would be the potential error in the interpretation of this test? can please any one provide me ans?
- The technician decided to antigen type the patient to confirm predictions from the antibody panel. Antigen type results are given below. Given these results, which of the following statements is BEST supported? Rh Kell Duffy Kidd anti-D anti-C anti-E anti-c anti-e anti-K anti-Fya anti-Fyb anti-Jka anti-Jkb 3+ 0 3+ 3+ 0 0 0 3+ 2+ 2+ Question 7 options: A) K and Fya antibodies are likely because patient would not readily produce antibodies against their own cells. B) An anti-e antibody must be present due to the lack of antigen on the patient cells. C) Jka and Jkb antibodies are likely because an autoantibody is present. D) Rh antibodies are likely because the patient is Rh negative.You just received the properly labeled blood bank specimen on patient Aran Stark. You decide to collect some background information about her known historical antibodies before beginning the work-up knowing that she has a history of anti-E, anti-K, anti-Jk^a, anti-Fy^a, anti-M and anti-Le^a. Which antibody can be neutralized? Which antibody is destroyed with 0.2M DTT treatment? Which antibody reactivity is enhanced by acidification? Which of the antibodies that are typically IgG in nature are destroyed by enzymes? Which are enhanced by enzymes? Which of these antibodies have been known to cause hemolytic transfusion reaction? Which of these antibodies are known to react at room temperature? Which of these antibodies react best at 37C? * When you complete the work-up, you note that the anti-Jk^a antibody is no longer detectable. Can the patient receive red blood cells that contain the Jk^a antigen? Why or why not?What are the important considerations that you have to remember in antibody screening? What are the important considerations that you have to remember in antibody identification What is the role of antibody screening in pretransfusion compatibility testing?
- You are solving for an unknown blood type. Drops of blood have been mixed with solutions containing the antibodies Anti- A, Anti-B and Anti-Rh. The test results are are pictured below. Using your knowledge of antibody- antigen interactions and the principle of agglutination, identify the blood type and answer the associated questionsWhich of the following media is capable of detecting all clinically significant antibodies while avoiding all clinically insignificant antibodies? Question 1 options: Gel technology Tube technique with PEG No single media is capable of doing this Solid phaseWhat is a screening test? Immunoassay Enzyme immunoassay (EAI) Enzyme-multiplied immunoassay technique (EMIT) Fluorescence polarization Radioimmunoassay (RIA) Chromatography Thin-layer chromatography (TLC) Gas chromatography (GC) Liquid chromatography (LC) (i.e, high performance liquid chromatography or HPLC) What is a confirmatory test? Hyphenated technique. Combination of two sophisticated technologies (I.e., Gas Chromatography - mass spectrometry or GC-MS) or other modern and acceptable techniques (l.e., LC-MS, GC-MS-MS, or LC-MS-MS).
- You just received the properly labeled blood bank specimen on patient Aran Stark. You decide to collect some background information about her known historical antibodies before beginning the work-up knowing that she has a history of anti-E, anti-K, anti-Jk^a, anti-Fy^a, anti-M and anti-Le^a. When you complete the work-up, you note that the anti-Jk^a antibody is no longer detectable. Can the patient receive red blood cells that contain the Jk^a antigen? Why or why not?Please give me the write answer for both questions. For the 2nd QUESTION WRITE a SIMPLE Paragraph. DO NOT COPY FROM INTERNET. Do not plagerize. Write a simple paragraph only. Also write what antigen, antibody, and possible blood types. PLEASE Label them so that it's easier for me to understand. LABel what number you are doing for example number 1 and number 2.What is an antigen? What is an antibody? Why does each test include a control line? What specimen would be collected for an antigen test? Why is it important to not touch the tip of the swab?What specimen would be collected for an antibody test? How many lines for a positive antigen test?How many lines for a negative antigen test? What do three lines show in an antibody test?