MLT boards - Blood Bank (BOR)
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| show | thrombocytopenia
🗑
|
||||
| Following plasmapheresis, how long must a person wait before being eligible to donate a unit of Whole Blood ? | show 🗑
|
||||
| Each unit of Whole Blood will yield approximately how many units of cryoprecipitated AHF? | show 🗑
|
||||
| Addition of what will enhance the shelf-life of whole blood? | show 🗑
|
||||
| Pretransfusion compatibility testing must include: | show 🗑
|
||||
| Severe intravascular hemolysis is most likely caused by antibodies of which blood group system? | show 🗑
|
||||
| Under extreme emergency conditions when there is no time to determine ABO group for transfusion, the technologist should: | show 🗑
|
||||
| show | Rh incompatibility
🗑
|
||||
| show | autosomal codominant
🗑
|
||||
| show | -20 degrees C
🗑
|
||||
| show | 22 degrees C
🗑
|
||||
| show | -80 degrees C
🗑
|
||||
| show | 4 degrees C
🗑
|
||||
| show | reagent red blood cells
🗑
|
||||
| Criteria determining Rh immune globulin eligibility include: | show 🗑
|
||||
| show | d) confirmed positive test for HBsAg 10 yrs previous
🗑
|
||||
| show | reciepient antibody directed against antigens on the donor red cells
🗑
|
||||
| Cells of the A3 subgroup will: | show 🗑
|
||||
| show | A3
🗑
|
||||
| Anti-Fya is: | show 🗑
|
||||
| show | patient's serum was omitted from the original testing
🗑
|
||||
| What is an indicator of polyagglutination? | show 🗑
|
||||
| Anti-Sda is strongly suspected if: | show 🗑
|
||||
| show | an antibody such as antiSda
🗑
|
||||
| In suspected cases of hemolytic disease of the newborn, what signigicant information can be obtained from the baby's blood smear? | show 🗑
|
||||
| As a preventive measure against graft-versus-host disease, red blood cells prepared for infants who have received intrauterine transfusions should be: | show 🗑
|
||||
| Which of tha following is the preferred specimen for the initial compatibility testing in exchange transfusion therapy? | show 🗑
|
||||
| When the main objective is an exchange transfusion is to remove the infant's antibody-sensitized RBCs and to control hyperbilirubinemia, the blood product of choice is ABO compatible: | show 🗑
|
||||
| show | c) 41, 90/50, 99.4, 65, 65, M
🗑
|
||||
| According to AABB standards, 75% of all Platelet, Pheresis units tested shall contain how many platelets per uL? | show 🗑
|
||||
| show | allowed to sit undisturbed for 1 hour
🗑
|
||||
| What is the proper procedure for preparation of Platelets from Whole Blood? | show 🗑
|
||||
| the purpose of a low-dose irradiation of blood components is to: | show 🗑
|
||||
| Platelets prepared in a polyolefin type container, stored at 22-24 degrees C in a 50 mL a plasma, and gently agitated can be used for up to: | show 🗑
|
||||
| The enzyme responsible for conferring H activity on the red cell membrane is alpha-: | show 🗑
|
||||
| show | anti-H
🗑
|
||||
| A 25 yr old caucasian women, gravida 3, para 2, required 2 units of blood. The antibody screen was POS & the results of the antibody panel refer to chart pg. 44 . Which 2 antibodies may be the cause of the POS antibody screen? | show 🗑
|
||||
| show | R1R1
🗑
|
||||
| show | anti-K
🗑
|
||||
| A patient's serum reacted weakly POS w/ 16 of 16 group O panel cells at the AHG test phase. Tha autocontrol was NEG. Tests w/ ficin-treated panel cells demonstrated no reactivity at AHG phase. Which antibody is most likely responsible for these results? | show 🗑
|
||||
| Useof EDTA plasma prevents activation of the classical complement pathway by: | show 🗑
|
||||
| show | 15
🗑
|
||||
| show | Cryoprecipitated AHF
🗑
|
||||
| show | 81
🗑
|
||||
| The approximate percentage of the original plasma content of Factor VIII recovered in cryoprecipitated AHF is: | show 🗑
|
||||
| A newborn demonstrates petechiae, ecchymosis, and mucosal bleeding. The preferred blood component for theis infant would be: | show 🗑
|
||||
| show | severe febrile transfusion reaction
🗑
|
||||
| show | 4
🗑
|
||||
| show | change in optical density measured at 450 nm
🗑
|
||||
| show | Factor IX
🗑
|
||||
| show | b. spontaneous abortion at 2 months, 3 months ago
🗑
|
||||
| What is correct storage temperature for Fresh Frozen Plasma? | show 🗑
|
||||
| show | R1R2
🗑
|
||||
| What blood component contains the nost Factor VIII concentration relative to volume? | show 🗑
|
||||
| show | Fresh Frozen Plasma
🗑
|
||||
| Although ABO compatibility is prefered, ABO incompatible product may be administered when transfusing: | show 🗑
|
||||
| show | Prothronbin complex
🗑
|
||||
| show | cirulatory overload
🗑
|
||||
| Hypotemsion, nausea, flushing, fever, and chills are symptoms of what transfusion reaction? | show 🗑
|
||||
| show | allergic
🗑
|
||||
| show | hemolytic
🗑
|
||||
| Fever and chills are symptoms fo what transfusion reaction? | show 🗑
|
||||
| cold agglutinin syndrome is best associated with what blood group? | show 🗑
|
||||
| What is th most probable explanation for the results listed on pg 49? | show 🗑
|
||||
| Antibodies involved in a warm autoimmune hymolytic anemis are often associated with which blood group system? | show 🗑
|
||||
| show | Rh hemolytic disease of the newborn, infant has a false-negative Rh typing
🗑
|
||||
| The use of Red Blood Cells, Deglycerolized would ve most beneficial when transfusing a patient: | show 🗑
|
||||
| show | high concentration of glycerol (40%w/v)
🗑
|
||||
| rejuvenation of a unit of Red Blood Cells is a methos used to: | show 🗑
|
||||
| A unit of RBCs is issued at 0900. At 0910 the unit is returned to the blood bank. The container has NOT been entered, but the unit has NOT been refrigerated during this time span. The best course of action for the tech is to: | show 🗑
|
||||
| show | 12 months
🗑
|
||||
| show | acceptable glycerol removal
🗑
|
||||
| What is a characteristic of polyagglutinable red cells? | show 🗑
|
||||
| show | Tn activation
🗑
|
||||
| show | If group O, they may appear to have acquired a group A antigen
🗑
|
||||
| Mixed field agglutination encountered in ABO grouping would most likely be due to: | show 🗑
|
||||
| The use of leukocyte-depleted RBCs and Platelet Concentrates is indicated for what patient group? | show 🗑
|
||||
| show | lack red blood cell antigens corresponding to maternal antibodies
🗑
|
||||
| show | only in the newborns of group O mothers
🗑
|
||||
| While performing routine postpartum testing for an Rh innune globulin(RhIg) candidate, a weekly POS antibody screening test was found. Anti-D was identified. This antibody is most likely the result of: | show 🗑
|
||||
| show | Factor VIII concentrate
🗑
|
||||
| show | Cryoprecipitated AHF
🗑
|
||||
| show | 4 A, Rh-negative and 2 A, Rh-positive
🗑
|
||||
| show | heat-treated Factor VIII concentrate
🗑
|
||||
| show | 5.5 x 10^10 platelets per unit in at least 75% of the units tested
🗑
|
||||
| Based upon Kleinhauer-Betke test results. what formula is used to determine the volume of fetomaternal hemorrhage in mL of Whole Blood? | show 🗑
|
||||
| According to the AABB standards, what is the minimum pH required for platelets? | show 🗑
|
||||
| show | kept at room temperature
🗑
|
||||
| A temperature rise of 1 degree C or more occuring in association with a transfusion is usually indicative of what transfusion reaction? | show 🗑
|
||||
| What transfusion reaction is characterized by high fever, shock, hemoglobinuria, DIC, and renal failure? | show 🗑
|
||||
| show | anaphylactic
🗑
|
||||
| During initial investigation of a suspected hemolytic Tx rxn, it was observed the the posttransfusion serum was yellow in color and the direct antiglobulin test was negative. What is the next step in this investigation? | show 🗑
|
||||
| A granulocyte transfusion is indicated if the patient has: | show 🗑
|
||||
| show | Cryoprecipitated AHF
🗑
|
||||
| show | 24 hours
🗑
|
||||
| show | 80
🗑
|
||||
| show | 1-6 degrees C
🗑
|
||||
| Cryoprecipitated AHF must be transfused within what period of time following thawing and pooling? | show 🗑
|
||||
| show | ficin
🗑
|
||||
| In an emergency situation, Rh-negative red cells are transfused into ans Rh-positive person of the genotype CDe/CDe. The first antibody MOST likely to develope is: | show 🗑
|
||||
| show | a false-negative result due to antigen excess
🗑
|
||||
| show | ABO
🗑
|
||||
| a 29-year-old male is hemorrhaging severly. He is AB NEG. 6 units of blood are required STAT. The blood bank has units of AB POS, A NEG, A POS, O NEG, which would be most preferable for crossmatch? | show 🗑
|
||||
| The results listed on page 57 were obtained on a patient's blood group and type during routine ABO and Rh testing: What is the course of action to resolve this problem? | show 🗑
|
||||
| An antibody that causes in vitro hemolysis ans reacts with the red cells of three of ten crossmatched donor units is most likely: | show 🗑
|
||||
| show | 1 to 5 days
🗑
|
||||
| show | hepatitis
🗑
|
||||
| A 22-yer-old man is admitted to the ER in shock following massive hemorrhage from knife wounds to his chest and abdomen. An emergency transfusion is required. What is the product of choice? | show 🗑
|
||||
| show | patient has a positive direct antiglobulin test
🗑
|
||||
| show | 1
🗑
|
||||
| A pt rec'd 2 units of RBC's & had a delayed Tx rxn. Ab screen records indicate that there was no agglutination except after the addition of IgG-sensitized cells. Repeat testing of the pre Tx specimen detected an antibody at the antiglobulin phase. explain | show 🗑
|
||||
| show | B, Rh-positive
🗑
|
||||
| show | Too heavy a cell suspension
🗑
|
||||
| How many units of RBC's are required to raise the hematocrit of a 70-kg non-bleeding man from 24 to30%? | show 🗑
|
||||
| show | an error in ABO grouping
🗑
|
||||
| show | K
🗑
|
||||
| show | addition of AHG is delayed for 40 minutes or more after washing the serum/cell mixture
🗑
|
||||
| show | E
🗑
|
||||
| A request is received to crossmatch 5 units of RBCs on a man who is group AB, Rh-positive. The blood inventory is listed on page 60. Assuming all the blood crossmatched is compatible, the desirable sequence of blood units that can be issued for Tx is: | show 🗑
|
||||
| show | 2
🗑
|
||||
| What is the component of choice for treatment of von Willebrand's disease? | show 🗑
|
||||
| show | Cryoprecipitated AHF
🗑
|
||||
| show | Group A may be administered to both A and O reciepients
🗑
|
||||
| show | congestive heart failure
🗑
|
||||
| A 40-year-old man with autoimmune hemolytic anemia dude to anti-E has a hemoglobin level of 10.8gm/dL. This patient will most likely be treated with: | show 🗑
|
||||
| On pg 62 are results of the history obtained from a prospective female blood donor. How many of the results will exclude this donor from giving blood for a routine transfusion? | show 🗑
|
||||
| A group A, Fh-positive infant of a group O, Rh-positive mother has a weakly positive direct antiglobulin test and a moderately elevated bilirubin at birth. The most likely cause is: | show 🗑
|
||||
| Prior to blood donation, the intended venipuncture site must be cleaned with a scrub solution containing: | show 🗑
|
||||
| show | ingestion of fatty meal shortly before blood donation
🗑
|
||||
| show | O, Rh-negative
🗑
|
||||
| show | group AB, Rh-positive
🗑
|
||||
| Washed RBCs would be the product of choice for a patient with: | show 🗑
|
||||
| show | 6 hours posttransfusion
🗑
|
||||
| The test for weak D is performed by incubating a patient's red cells with: | show 🗑
|
||||
| Refer to the data on page 64. These parents would most likely have a child with the genotype: | show 🗑
|
||||
| A 35-year-old man w/ von Willebrand's disease has an acute mosebleed & a hemoglobin level of 9.9gm/mL. What blood component is the MOST appropriate choice for transfusion to this patient. | show 🗑
|
||||
| show | R0R0
🗑
|
||||
| show | group O with no hemolytic anti-A or Anti-B
🗑
|
||||
| show | autologous donations
🗑
|
||||
| show | 2 are R1r, 2 are R1R1
🗑
|
||||
| show | A, CDe/CDe
🗑
|
||||
| show | IgG and C3d
🗑
|
||||
| In the direct antiglobulin test, the antiglobulin reagent is used to: | show 🗑
|
||||
| show | Karl Landsteiner
🗑
|
||||
| What increment of platelets/uL, per m^2 body surface area, is expected to result from each single unit of Platelets transfused into a non-HLA-sensitized recipient? | show 🗑
|
||||
| If the seal is entered on a unit of Whole Blood stored at 1-6 degrees C, What is the maximum allowable storage period, in hours? | show 🗑
|
||||
| A Whole Blood unit from a donor that contains a clinically significant red cell alloantibody should be: | show 🗑
|
||||
| Which of the following Rh antigens has the highest frequency in Caucasians? D, E, c, or e | show 🗑
|
||||
| show | Kidd
🗑
|
||||
| show | IgG
🗑
|
||||
| show | O, Rh-negative Red Blood Cells, irradiated
🗑
|
||||
| show | a visual inspection for free plasma hemoglobin
🗑
|
||||
| Even in the absence of prior transfusion or, individuals with the Bombay pheno-type (Oh) will always have naturally occurring: | show 🗑
|
||||
| HLA antibodies are: | show 🗑
|
||||
| Genes of the major histocompatibility complex (MCH) contribute to: | show 🗑
|
||||
| show | Red Blood Cells
🗑
|
||||
| Which of the following antigens in MOST likey to be involved in hemolytic disease of the newborn? Lea, P1, M or Kell | show 🗑
|
||||
| Fresh frozen Plasma should be transfused within: | show 🗑
|
||||
| show | fibrinogen deficiencies
🗑
|
||||
| show | plasma pH
🗑
|
||||
| According to AABB standards, Platelets must be__________________if stored at room temperature. | show 🗑
|
||||
| Platelet transfusions are of most value in treating: | show 🗑
|
||||
| An unexplained fall in hemoglobin and mild jaundice is a patient transfused with RBCs 1 week ago would most likely indicate: | show 🗑
|
||||
| Fresh Frozen Plasma from a group A, Rh-positive donor may be safely transfused toa a patient who is group: | show 🗑
|
||||
| the drug cephalosporin can cause a positive direct antiglobulin test by what mechanism? | show 🗑
|
||||
| Which would most likely be responsible for an incompatible major crossmatch? recipient's RBCs posses a low-frequency antigen, anti-K antibody in donor serum, recipient's RBCs are polyagglutinable, donor RBCs have a positive DAT | show 🗑
|
||||
| Rh immune globulin administration would NOT be indicated in a Rh-negative woman who has a: 1st trimester abortion, husband who is Rh-positive, anti-D titer of 1:4096, or positive direct Coomb's test | show 🗑
|
||||
| show | 3
🗑
|
||||
| show | patient's hospital identification number
🗑
|
||||
| Which of the following red cell antigens are found on glycophorin-A? M and N, Lea ad Leb, S and s, P and P1 and Pk | show 🗑
|
||||
| current testing on all donor blood must include serological test for: | show 🗑
|
||||
| show | lymphocytes
🗑
|
||||
| AHG (coombs) control cells are coated only with: | show 🗑
|
||||
| show | Quarantine the unit until further testing determines disposition.
🗑
|
||||
| show | rr
🗑
|
||||
| A first-time blood donor is noticed to experience rapid breathing and involuntary twitching of his fingers shortly after starting phlebotomy. The phlebotomist should: | show 🗑
|
||||
| The most important step in the safe administration of blood is to: | show 🗑
|
||||
| show | Black
🗑
|
||||
| show | immunogenic
🗑
|
||||
| show | anti-Lua
🗑
|
||||
| show | anti-Yta
🗑
|
||||
| A donor is tested with Rh antisera, with the following results: anti-D + anti-C + anti-E 0 anti-c + anti-e + Rh control 0 What is the most probable Rh genotype? | show 🗑
|
||||
| while performing an antibody screen, a test reaction is observed that is suspected to be rouleaux. a saline replacement test is done and the reaction remains. What is the best interpretation? | show 🗑
|
||||
| show | frequently a cold agglutinin
🗑
|
||||
| show | anti-HIV 1,2
🗑
|
||||
| show | ABO and Rh typing only
🗑
|
||||
| for plateletpheresis donors, the pretransfusion platelet count must be at least: | show 🗑
|
||||
| show | AB
🗑
|
||||
| Refer to the data on page 74. Which clinical condition is consistant with the lab results shown? | show 🗑
|
||||
| show | drug adsorption
🗑
|
||||
| show | O,Rh-positive, E negative
🗑
|
||||
| the blood sample of choice for the pretransfusion testing of neonates with HDN is: | show 🗑
|
||||
| refer to page 75 for data. what is the most likely caude of the following ABO discrepancy? | show 🗑
|
||||
| show | recipient alloantibody
🗑
|
||||
| show | cold autoadsorption
🗑
|
||||
| show | transplant candidates
🗑
|
||||
| Posttransfusion purpura is caused by: | show 🗑
|
||||
| Posttransfusion anaphylactic reactions occur most often in patients with: | show 🗑
|
||||
| the antibodies of the kidd blood group system react best by: | show 🗑
|
||||
| Refer to the data on page 76. Which of the following prospective donors would be accepted for donation? | show 🗑
|
||||
| transfusion of plateletpheresis products from HLA-compatible donors is the preferred treatment for: | show 🗑
|
||||
| Why are donors deferred for 6 months following receipt of blood products? | show 🗑
|
||||
| show | a warm autoantibody
🗑
|
||||
| show | single alloantibody
🗑
|
||||
| show | weak subgroup of A with anti-A1
🗑
|
||||
| show | perform a DAT on donor 2
🗑
|
||||
| the western Blot is a confirmatory test for the prescence of: | show 🗑
|
||||
| show | enzyme-linked immunosorbent assay (ELISA)
🗑
|
||||
| What red cell typings would most commonly be found in the black donor population? | show 🗑
|
||||
| show | CDe/cde
🗑
|
||||
| A patient is typed with the results listed on page 79. the most probable reason for these findings is that the patient is group; | show 🗑
|
||||
| the primary indication for granulocyte transfusion is: | show 🗑
|
||||
| A patient in the immediate post-bone marrow transplant period has a hematocrit of 21%. The red cell product of choice for this patient would be: | show 🗑
|
||||
| A sample gives the results listed on page 80. Which lectin should be used first to resolve this discrepancy? | show 🗑
|
||||
| a man suffering fron gastrointestinal bleeding has received 20 units of RBCs in the past 24 hours and is still oozing postoperatively. The results on page 80 were obtained. What blood product should be administered? | show 🗑
|
||||
| Anti-I usually results in a positive direct antiglobulin test (DAT) because of: | show 🗑
|
||||
| B lymphocytes are associated with: | show 🗑
|
||||
| show | The entry ports from becoming contaminated with water
🗑
|
||||
| A unit of RBCs expiring in 35 days is split into five small aliquots using a sterile pediatris quad set and a sterile connecting devise. Each aliquot must be labeled as expiring in: | show 🗑
|
||||
| show | mother has had a fetal-maternal hemorrhage
🗑
|
||||
| show | defer the donor permanently
🗑
|
||||
| A cause for permanent referral of blood donation is a history of ______________ of uncertain cause | show 🗑
|
||||
| The reactions on page 82 were obtained. Then the technologist washed the patient's cells with saline, and added 2 drops of saline to the reverse grouping. Upon repeat testing, the results on page 82 were obtained. The results are concictant with: | show 🗑
|
||||
| Upon inspection, a unit of Platelets is noted to have visable clots, but otherwise appears normal. The technologist should: | show 🗑
|
||||
| Which plateletpheresis priduct should be irradiated? | show 🗑
|
||||
| show | notify the collecting facility
🗑
|
||||
| show | recheck the antisera with positive and negative controls
🗑
|
||||
| Leukocyte-reduced Red Blood Cells are ordered for a newly diagnosed bone marrow candidate. What is the best way to prepare this product? | show 🗑
|
||||
| When Plateletsare stored on a rotator set on an open top, the ambient air temperature must be recorded: | show 🗑
|
||||
| What test is most commonly used to demonstrate antibodies that have become attached to a patient's red cells in vivo? | show 🗑
|
||||
| Some bolld group antibodies characteristically hemolyze appropriate red cells in the presence of: | show 🗑
|
||||
| show | 12.5
🗑
|
||||
| The purpose of testing with anti-A,B is to detect: | show 🗑
|
||||
| A mother is Rh-negative and the father Rh-positive. Their baby is Rh-negative. It may be concluded that: | show 🗑
|
||||
| show | prevent the setection of compliment-dependent antibodies
🗑
|
||||
| What represents an acceptably identified patient for sample collection and transfusion? | show 🗑
|
||||
| show | Mother has a fetomaternal hemorrhage of D+ cells.
🗑
|
||||
| show | collect a new sample and repeat the tests
🗑
|
||||
| show | investigate for a fetomaternal hemorrhage
🗑
|
||||
| show | the sample is Rh-positive
🗑
|
||||
| show | identify the cause of the agglutination
🗑
|
||||
| show | anti-HCV
🗑
|
||||
| A unit os packed cells is split into 2 aliquots under closed sterile conditions at 8 AM. The expitation time for each aliquot is now: | show 🗑
|
||||
| show | the Du test and control would be positive
🗑
|
||||
| show | cryoprecipitated AHF
🗑
|
||||
| A group B, Rh-negative patient is shock from acute blood loss would benefit most from a transfusion: | show 🗑
|
||||
| To qualify as a donor for autologous transfusion, a patient's hemoglobin should be at least: | show 🗑
|
||||
| After checking the inventory, it was noted that there were no units on the shelf marked "May issue as uncrossmatched: For Emergency Only." What should the tech now place on this shelf? | show 🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
dayzemai
Popular Laboratory Science sets