Blood Bank Quizzes (110 Blood Bank Quiz questions and Answers) All correct.

Blood Bank Quizzes (110 Blood Bank Quiz questions and Answers) One bag of red blood cells will increase the hemoglobin by what amount - Which of the following components has ALL of the coagulation factors - One bag of random donor platelets will increase the platelet count by how much - Which component must be stored with constant shaking - If a bag of leukoreduced red blood cells is washed, how long is this product good - Cryoprecipitate Antihemophilic Factor that is harvested from fresh frozen plasma can be used to treat which coagulation factor deficiencies - If there is no blood that is tested CMV negative, which of the following is considered CMV "safe" - If a patient receives a bag of single donor platelets and his platelet count does not increase (In fact, it sometimes decreases.), we say he may be refractory to platelets. How do we attempt to overcome this refractoriness - All blood that is drawn in CPD or CP2D can have its storage time extended by adding an additive solution (also called Adsol and Adenine Solution). When this is added within 72 hours of the unit's being drawn, what will be the new expiration date - If a unit of whole blood is drawn in CPDA-1, how long can it be stored and used - What is the minimum hemoglobin for allogeneic blood donations How much anticoagulant/preservative must be in a standard bag to draw 450 mLs of whole blood - What is the minimum and maximum milliliters of blood that can be drawn in a standard bag - What is the minimum weight to be an allogeneic blood donor - What is the minimum hemoglobin and hematocrit for autologous donations What is the pulse range for an allogeneic blood donor - What is the systolic blood pressure limits for an allogeneic donor - What is the upper age limit at which a person can have had hepatitis and still be an allogeneic blood donor - If a donor is hooked to a machine and only one component is harvested from him, he is said to be donating by what technique - A person who donates blood with the intent that he will receive his own blood during a future surgery is called what kind of donor - If the antibody screen is positive after the addition of AHG and all crossmatched units are compatible after AHG, what is a probable cause - When a clinically significant alloantibody is identified in the patient's serum, what is done prior to transfusing the unit If a patient's sample is positive with all cells (screens, auto, and crossmatches) after 37oC incubation, but negative after the addition of AHG, what could be the cause - If a patient's sample is negative with the screen cells and the autocontrol, but all the crossmatched units are incompatible at all phases, what may be the cause - If a patient's sample is negative with the screen cells and the autocontrol, but one of the crossmatched units is incompatible after adding AHG, what may be the cause - If a patient's sample is negative with the screen cells and the autocontrol, but one of the crossmatched units is incompatible at immediate spin, what may be the cause - If a patient's serum sample is positive with all cells (screens, auto and donor cells) after the addition of AHG, what test will be your clue that there is something in the serum reacting with something in the entire test system - If a patient's serum reacts with the diluent in the commercial cells, what can be done to resolve the problem - What is the protocol for transfusing neonates - When a clinically insignificant alloantibody is identified in the patient's serum, what is done prior to transfusing the unit - What is the cause of febrile transfusion reactions - Which of the following antibodies are implicated in delayed hemolytic transfusion reactions - Urticarial transfusion reactions have no definitive cause, but it is thought IgE is involved. What are the symptoms - TRALI and TACO have similar symptoms, but they differ by which of the following - Which of the following is an iatrogenic transfusion reaction(If you want to get technical, I guess you could say they are all iatrogenic, but your text does focus on one.) - What is the first procedure to be done in the laboratory investigation of a transfusion reaction - If the Direct antiglobulin test is positive due to IgG, how will this look microscopically and what test must be done to identify the IgG antibody on the cells - If a patient has febrile transfusion reactions, how are future transfusions handled - What must be done to prevent graft-versus-host disease - If a patient has anaphylactic transfusion reactions, how are future transfusions handled - For both the DAT and the IAT the cell button should be washed at least three times prior to adding AHG. Why - The amount of antigen present on a cell influences the first stage of agglutination. Which of the following cells has the most antigen - What is antihuman globulin - What is the ABO type of check cells - What is the first stage of agglutination called - ( What is the purpose of the Direct Antiglobulin Test (DAT) - When performing a DAT, a control consisting of 6% albumin is run concurrently. What is the result of the control - Which immunoglobulin class is the blood banker most interested in - Which of the following clinical applications uses the DAT - If a patient has anti-Fy(a) in his serum, he must receive red blood cells that are negative for the Fy(a) antigen. What percent of the Caucasian population is negative for the Fy(a) antigen - ( If a person has the Le, se and H genes, what substance(s) are in his body fluids - Select the cell below that should be used for the positive control when testing commercially prepared anti-Fy(a) - What do the following antigens have in common Js(b), U, I, Yt(a) - What do the following antibodies have in common Anti-N, anti-P1, anti-Le(a) What do the following antigens have in common Fy(a), M, N, S - What do the following antigens have in common k, Kp(b), Js(b) - Which of the following antibodies reacts best in an acidic environment - Which of the following blood group systems produces antibodies that do not cause hemolytic disease of the newborn - Which of the following antibodies reacts with the same strength through all dilutions of the serum until it becomes negative - Which of the following lectins will discern group A1 cells from A2 cells - Upon initial typing, the cells from a person with the Bombay phenotype will appear to be which ABO type - What percent cell suspension is used when testing cells for ABO antigens - The commercially prepared anti-A and anti-B are - If a person has the Se gene, the A gene and the B gene, what blood group substances will be found in his body fluids - If both the mom and the dad are Group O, what will be the ABO type of their offspring - If a person has only H blood group substance, what antigens will be found on his red cells - If a patient is blood type A, which of the following antibodies are in his serum/plasma - Which of the following carbohydrates are needed to produce blood type B If a patient is blood type O, which of the following antigens are on his cells False positive results and false negative results can be obtained by sloppy technique. Which of the following causes a false positive result If a cell is positive for the antigens D, C, E, c and e, what is the most probable Rh phenotype - If a patient has a weakly expressed D antigen, how is it detected - What antibodies in the Rh system can be made by a person whose Rh phenotype is R1R1 Anti-LW is negative (does not react) with which of the following cells If a person's most probable Rh phenotype is R1R1, what is that in Fisher-Race nomenclature and in Rosenfield - What percent of the caucasian population is negative for the D antigen If a dad is R1R2 and the mom is rr, what percent of the offspring will be positive for the D antigen - Which of the following Rh typing reagents must ALWAYS be used with a control - If a cell is positive for the c and e antigens and negative for the D, C and E antigens, what is the most probable Rh phenotype A person can make an alloantibody as a result of Choose the correct statement below regarding screening cells and panel cells. - Commercially prepared red blood cells for the purpose of detecting unexpected antibodies in serum/plasma are If the antibody screen is positive after the addition of AHG and the autocontrol is negative after the addition of AHG, this means that The procedure used to detect and identify clinically significant antibodies is the - To be sure that a tech is 95% confident when identifying an antibody, how many cells, at the very least, must be positive for the antigen and yield a positive result and how many cells must be negative for the antigen and yield a negative result What is the characteristic of a clinically significant antibody Which is a low frequency antigen Which of the following antigens are destroyed by enzymes such as ficin or bromelin - Which of the following phenotypes is homozygous for the Fy(a) antigen What is the minimal information that must be on a properly labeled tube of blood that will be used for compatibility testing If a patient is receiving saline by IV, where should the phlebotomist stick the patient - Which of the following methods can be used to overcome a delay in clot formation when a patient has a prolonged clotting time Why is it important to check for previous records Full compatibility testing consists of When is it permissible to do only an immediate spin crossmatch If there is no time to determine a patient's ABO and Rh type because he is profusely bleeding, what ABO/Rh type should be transfused After a sample is drawn from the patient, how long can the lab continue to crossmatch from How long must the sample be stored following a transfusion of the patient At what temperature should the patient's sample and the segment from the bag of blood be stored We find ABO hemolytic disease most often in babies born to moms who are which ABO type Anti-Le(a) is usually IgM, but sometimes it can be IgG; however it will not cause hemolytic disease of the newborn. Why What portion of the IgG molecule functions to move the molecule across the placenta - How are the sensitized cells of the unborn destroyed in vivo What is considered a significant difference in the titer of two samples when they are being compared ABO and Rh hemolytic disease of the newborn each have unique distinguishing characteristics. Which of the following red cell shapes is unique to ABO HDN Which of the following are essential criteria when transfusing the unborn child - If the qualitative test for a feto-maternal bleed is negative, how many vials of Rh Immune Globulin must be injected into the mom A mom is group O positive and has anti-Fy(a), anti-K and anti-E. The baby is group A neg and has a positive DAT. The eluate from the baby's cells shows anti-Fy(a). Knowing that any blood transfused to this newborn must be compatible with the mom's serum, select the correct blood type to transfuse this infant. If a Group A negative mom received antenatal Rh Immune Globulin at 28 weeks gestation, what is the specificity of the antibody that may be identified in her serum at delivery? Cells from which of the following tubes may give a false positive DAT due to C3 sensitizing the cells in vitro? - (correct):