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BB CH 10 HW

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{"ops":[{"insert":"Random access is an important feature in selecting an automated instrument for testing in the transfusion service. What is random access?\n\nA) Ability of multiple users to sign into the system\nB) The recognition of various types of barcodes\nC)The need for minimal maintenance procedures\nD) The ability to accommodate STAT testing\n"}]}##{"ops":[{"insert":"D) The ability to accommodate STAT testing\n"}]}####{"ops":[{"insert":"Which of the following statements is true regarding interpretation of SPRCA results?\n\nA) Grading reactions are based on a 1-to-4 grading scale where 4+ is a strong positive.\nB) A tight button of cells on the bottom of the well would be interpreted as a positive reaction.\nC) Hemagglutination assay results are interpreted the same as SPRCA results.\nD) An evenly distributed layer of cells on the well surface is a negative reaction.\n"}]}##{"ops":[{"insert":"A) Grading reactions are based on a 1-to-4 grading scale where 4+ is a strong positive.\n"}]}####{"ops":[{"insert":"Which method is used in the automated Immucor and Bio-Rad systems for ABO and D phenotype?\n\nA) solid-phase red cell adherence assay (SPRCA)\nB) enzyme-linked immunosorbent assay (ELISA)\nC) reverse-passive hemagglutination (RPHA)\nD) hemagglutination in a microwell\n"}]}##{"ops":[{"insert":"D) hemagglutination in a microwell\n"}]}####{"ops":[{"insert":"Where can false-negative reactions occur in both the gel and solid-phase testing?\n\nA) failing to centrifuge\nB) not mixing reagent red cells sufficiently\nC) incubation time was too short\nD) all of the above\n"}]}##{"ops":[{"insert":"D) all of the above\nA) failing to centrifuge\nB) not mixing reagent red cells sufficiently\nC) incubation time was too short\n"}]}####{"ops":[{"insert":"What tests are performed with the MTS Monoclonal A/B/D Grouping Gel Card?\n\nA) typing A, B, and D antigen\nB) antiglobulin crossmatches\nC) typing Rh system antigens\nD) direct antiglobulin tests\n"}]}##{"ops":[{"insert":"A) typing A, B, and D antigen\n"}]}####{"ops":[{"insert":"What test uses the Capture-R Select microwell strips?\n\nA) direct antiglobulin test\nB) antiglobulin testing of selected panel cells\nC) weak D test\nD) all of the above\n"}]}##{"ops":[{"insert":"D) all of the above\nA) direct antiglobulin test\nB) antiglobulin testing of selected panel cells\nC) weak D test\n"}]}####{"ops":[{"insert":"What term is defined as productivity of a machine, procedure, process, or system over a unit time period?\n\nA) Throughput\nB) Preventive maintenance\nC) Calibration\nD) Random access\n"}]}##{"ops":[{"insert":"A) Throughput\n"}]}####{"ops":[{"insert":"What laboratory component in automation is essential to flag discrepancies with previous results?\n\nA) Staff automation training\nB) Preventive maintenance program\nC) Vendor relationship\nD) LIS\n"}]}##{"ops":[{"insert":"D) LIS\n"}]}####{"ops":[{"insert":"What are the indicator cells used in SPRCA assays?\n\nA) IgM-coated red cells useful in determining the presence of ABO antibodies\nB) cells used to agglutinate IgG antibodies to form a pellet in the well after centrifugation\nC) IgG-coated red cells that cross-link with IgG antibodies attached to the well\nD) check cells that are added to negative reactions to validate the washing step\n\n"}]}##{"ops":[{"insert":"C) IgG-coated red cells that cross-link with IgG antibodies attached to the well\n"}]}####{"ops":[{"insert":"The solid-phase red cell adherence procedure for antibody screen does not require a washing step.\n\nA) True\nB) False\n"}]}##{"ops":[{"insert":"B) False\n"}]}####{"ops":[{"insert":"The foundation of any automated platform begins with a proven technology. The performance of the base technology requires investigation.\n\nA) True\nB) False\n"}]}##{"ops":[{"insert":"A) True\n"}]}####{"ops":[{"insert":"Select the method that uses the principle of sieving to separate larger agglutinates from smaller agglutinates in Ag-Ab reactions.\n\nA) gel technology\nB) solid-phase\nC) microplate\nD) none of the above\n"}]}##{"ops":[{"insert":"A) gel technology\n"}]}####{"ops":[{"insert":"Select the challenges(s) for converting to automation testing. (Select all that apply.)\n\nA) Loss of current contracts\nB) Initial capital investment for equipment\nC) Need for multiple budgets\nD) Investment of time for validation protocols, training, and procedures\n"}]}##{"ops":[{"insert":"B) Initial capital investment for equipment\nD) Investment of time for validation protocols, training, and procedures\n"}]}####{"ops":[{"insert":"Mixed-field reactions were observed in the ID-MTS Gel Test for ABO and D phenotype when the test was automated. What is the most likely cause of this observation?\n\nA) improper pipetting technique\nB) the use of contaminated reagents\nC) transfusion of group O cells to an A or B patient\nD) centrifugation error\n"}]}##{"ops":[{"insert":"C) transfusion of group O cells to an A or B patient\n"}]}####{"ops":[{"insert":"In the gel test, what is a button of cells at the bottom of the well called?\n\nA) 4+ positive reaction\nB) 1+ positive reaction\nC) negative reaction\nD) invalid reaction\n"}]}##{"ops":[{"insert":"C) negative reaction\n"}]}####{"ops":[{"insert":"Identify the benefit(s) for converting to automation testing. (Select all that apply.)\n\nA) Save operating funds\nB) Opportunity to question and examine work processes and identify areas for improvement\nC) Increase in productivity\nD) Improve total quality of testing\n"}]}##{"ops":[{"insert":"A) Save operating funds\nB) Opportunity to question and examine work processes and identify areas for improvement\nC) Increase in productivity\nD) Improve total quality of testing\n"}]}####{"ops":[{"insert":"How does a 2+ reaction appear in the MTS gel test?\n\nA) Pellet of cells at the bottom of the microtube\nB) Layer of cells at the top of the microtube\nC) Cells evenly distributed throughout the microtube\nD) Cells distributed only in the bottom half of the microtube\n"}]}##{"ops":[{"insert":"C) Cells evenly distributed throughout the microtube\n"}]}####{"ops":[{"insert":"Automation should make it easier to do things the right way and more difficult to do the wrong things.\n\nA) True\nB) False\n"}]}##{"ops":[{"insert":"A) True\n"}]}####{"ops":[{"insert":"After centrifugation using the ID-MTS Anti-IgG gel cards, a layer of agglutinated cells was observed at the top of two of the three screening cell microtubes. What should be done next?\n\nA) repeat the test\nB) proceed to an antibody identification panel\nC) perform a DAT to determine whether the patient has an autoantibody\nD) verify the negative reaction with check cells\n"}]}##{"ops":[{"insert":"B) proceed to an antibody identification panel\n"}]}####{"ops":[{"insert":"A compact button of red cells in the bottom of the well is interpreted as a/an _____ reaction when solid-phase testing is used for the antiglobulin test.\n\nA) positive\nB) negative\nC) indeterminate\nD) mixed field\n"}]}##{"ops":[{"insert":"B) negative\n"}]}####

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{"ops":[{"insert":"D) The ability to accommodate STAT testing\n"}]}

{"ops":[{"insert":"A) Grading reactions are based on a 1-to-4 grading scale where 4+ is a strong positive.\n"}]}

{"ops":[{"insert":"Which method is used in the automated Immucor and Bio-Rad systems for ABO and D phenotype?\n\nA) solid-phase red cell adherence assay (SPRCA)\nB) enzyme-linked immunosorbent assay (ELISA)\nC) reverse-passive hemagglutination (RPHA)\nD) hemagglutination in a microwell\n"}]}

{"ops":[{"insert":"D) hemagglutination in a microwell\n"}]}

{"ops":[{"insert":"Where can false-negative reactions occur in both the gel and solid-phase testing?\n\nA) failing to centrifuge\nB) not mixing reagent red cells sufficiently\nC) incubation time was too short\nD) all of the above\n"}]}

{"ops":[{"insert":"D) all of the above\nA) failing to centrifuge\nB) not mixing reagent red cells sufficiently\nC) incubation time was too short\n"}]}

{"ops":[{"insert":"What tests are performed with the MTS Monoclonal A/B/D Grouping Gel Card?\n\nA) typing A, B, and D antigen\nB) antiglobulin crossmatches\nC) typing Rh system antigens\nD) direct antiglobulin tests\n"}]}

{"ops":[{"insert":"A) typing A, B, and D antigen\n"}]}

{"ops":[{"insert":"What test uses the Capture-R Select microwell strips?\n\nA) direct antiglobulin test\nB) antiglobulin testing of selected panel cells\nC) weak D test\nD) all of the above\n"}]}

{"ops":[{"insert":"D) all of the above\nA) direct antiglobulin test\nB) antiglobulin testing of selected panel cells\nC) weak D test\n"}]}

{"ops":[{"insert":"What term is defined as productivity of a machine, procedure, process, or system over a unit time period?\n\nA) Throughput\nB) Preventive maintenance\nC) Calibration\nD) Random access\n"}]}

{"ops":[{"insert":"A) Throughput\n"}]}

{"ops":[{"insert":"What laboratory component in automation is essential to flag discrepancies with previous results?\n\nA) Staff automation training\nB) Preventive maintenance program\nC) Vendor relationship\nD) LIS\n"}]}

{"ops":[{"insert":"D) LIS\n"}]}

{"ops":[{"insert":"C) IgG-coated red cells that cross-link with IgG antibodies attached to the well\n"}]}

{"ops":[{"insert":"The solid-phase red cell adherence procedure for antibody screen does not require a washing step.\n\nA) True\nB) False\n"}]}

{"ops":[{"insert":"B) False\n"}]}

{"ops":[{"insert":"The foundation of any automated platform begins with a proven technology. The performance of the base technology requires investigation.\n\nA) True\nB) False\n"}]}

{"ops":[{"insert":"A) True\n"}]}

{"ops":[{"insert":"Select the method that uses the principle of sieving to separate larger agglutinates from smaller agglutinates in Ag-Ab reactions.\n\nA) gel technology\nB) solid-phase\nC) microplate\nD) none of the above\n"}]}

{"ops":[{"insert":"A) gel technology\n"}]}

{"ops":[{"insert":"Select the challenges(s) for converting to automation testing. (Select all that apply.)\n\nA) Loss of current contracts\nB) Initial capital investment for equipment\nC) Need for multiple budgets\nD) Investment of time for validation protocols, training, and procedures\n"}]}

{"ops":[{"insert":"B) Initial capital investment for equipment\nD) Investment of time for validation protocols, training, and procedures\n"}]}

{"ops":[{"insert":"C) transfusion of group O cells to an A or B patient\n"}]}

{"ops":[{"insert":"In the gel test, what is a button of cells at the bottom of the well called?\n\nA) 4+ positive reaction\nB) 1+ positive reaction\nC) negative reaction\nD) invalid reaction\n"}]}

{"ops":[{"insert":"C) negative reaction\n"}]}

{"ops":[{"insert":"Identify the benefit(s) for converting to automation testing. (Select all that apply.)\n\nA) Save operating funds\nB) Opportunity to question and examine work processes and identify areas for improvement\nC) Increase in productivity\nD) Improve total quality of testing\n"}]}

{"ops":[{"insert":"A) Save operating funds\nB) Opportunity to question and examine work processes and identify areas for improvement\nC) Increase in productivity\nD) Improve total quality of testing\n"}]}

{"ops":[{"insert":"How does a 2+ reaction appear in the MTS gel test?\n\nA) Pellet of cells at the bottom of the microtube\nB) Layer of cells at the top of the microtube\nC) Cells evenly distributed throughout the microtube\nD) Cells distributed only in the bottom half of the microtube\n"}]}

{"ops":[{"insert":"C) Cells evenly distributed throughout the microtube\n"}]}

{"ops":[{"insert":"Automation should make it easier to do things the right way and more difficult to do the wrong things.\n\nA) True\nB) False\n"}]}

{"ops":[{"insert":"A) True\n"}]}

{"ops":[{"insert":"B) proceed to an antibody identification panel\n"}]}

{"ops":[{"insert":"A compact button of red cells in the bottom of the well is interpreted as a/an _____ reaction when solid-phase testing is used for the antiglobulin test.\n\nA) positive\nB) negative\nC) indeterminate\nD) mixed field\n"}]}

{"ops":[{"insert":"B) negative\n"}]}

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