Question 1

Platelets are stored on/in a(n) _____ , which provides constant agitation.

Accepted Answer

A)  incubator 
B)  cryostat 
C)  rotator 
D)  refrigerator 
A)  incubator 
B)  cryostat 
C)  rotator 
D)  refrigerator C

Question 2

Which of the following might be used to investigate a cold autoantibody?

Accepted Answer

A)  Titration 
B)  Rabbit erythrocyte stroma 
C)  Elution 
D)  A2 cells 
A)  Titration 
B)  Rabbit erythrocyte stroma 
C)  Elution 
D)  A2 cells B

Question 3

What is the main concern for obstetric patients in prenatal testing?

Accepted Answer

A)  Antibody that causes hemolytic transfusion reaction 
B)  Drug-induced antibody 
C)  Antibody that causes hemolytic disease of the newborn (HDN) 
D)  Autoantibodies 
A)  Antibody that causes hemolytic transfusion reaction 
B)  Drug-induced antibody 
C)  Antibody that causes hemolytic disease of the newborn (HDN) 
D)  Autoantibodies C

Question 4

What additive is used to freeze blood for long-term storage at -65°C?

Accepted Answer

A)  Glycerol 
B)  Glycine 
C)  Glutamic acid 
D)  Dextran 
A)  Glycerol 
B)  Glycine 
C)  Glutamic acid 
D)  Dextran

Question 5

Why can the Rh-hr control be eliminated from donor processing?

Accepted Answer

A)  An Rh-positive unit of blood typed as an Rh-negative would only be transfused to an Rh-positive patient. 
B)  An Rh-negative unit of blood typed as an Rh-positive would only be transfused to an Rh-negative patient. 
C)  An Rh-negative unit of blood typed as an Rh-positive would only be transfused to an Rh-positive patient. 
D)  None of the above 
A)  An Rh-positive unit of blood typed as an Rh-negative would only be transfused to an Rh-positive patient. 
B)  An Rh-negative unit of blood typed as an Rh-positive would only be transfused to an Rh-negative patient. 
C)  An Rh-negative unit of blood typed as an Rh-positive would only be transfused to an Rh-positive patient. 
D)  None of the above

Question 6

A 40-year-old male presented in the ER with acute bleeding. The technologist received a specimen but was unable to resolve a typing discrepancy between the forward and reverse typings. What blood type should the patient receive for emergency transfusion?

Accepted Answer

A)  Type specific uncrossmatched packed RBCs 
B)  O-negative crossmatched packed RBCs 
C)  O-negative uncrossmatched packed RBCs 
D)  Electronic crossmatched blood 
A)  Type specific uncrossmatched packed RBCs 
B)  O-negative crossmatched packed RBCs 
C)  O-negative uncrossmatched packed RBCs 
D)  Electronic crossmatched blood

Question 7

Which cells are used for a donor's antibody screen?

Accepted Answer

A)  Screening cells (2 vials) 
B)  Pooled screening cells (2 donors) 
C)  Screening cells (3 vials) 
D)  Autologous cells 
A)  Screening cells (2 vials) 
B)  Pooled screening cells (2 donors) 
C)  Screening cells (3 vials) 
D)  Autologous cells

Question 8

In order to be considered fresh frozen plasma, the plasma needs to be prepared within _____ of collection?

Accepted Answer

A)  1 hour 
B)  6 hours 
C)  8 hours 
D)  24 hours 
A)  1 hour 
B)  6 hours 
C)  8 hours 
D)  24 hours

Question 9

It is December 1, 2012, and you irradiate an O-negative packed RBC that you have in inventory, which outdates January 5, 2013. What will the new outdate be for that unit?

Accepted Answer

A)  December 2, 2012 
B)  December 3, 2012 
C)  December 29, 2012 
D)  January 5, 2013 
A)  December 2, 2012 
B)  December 3, 2012 
C)  December 29, 2012 
D)  January 5, 2013

Question 10

What test(s) are involved when a physician orders a 4-unit crossmatch on a patient?

Accepted Answer

A)  IS crossmatch 
B)  AHG crossmatch 
C)  ABO, Rh, antibody screen, IS crossmatch 
D)  ABO, Rh, DAT, IS crossmatch 
A)  IS crossmatch 
B)  AHG crossmatch 
C)  ABO, Rh, antibody screen, IS crossmatch 
D)  ABO, Rh, DAT, IS crossmatch

Question 11

A STAT type and screen comes from surgery. Your institution uses a blood bank band ID bracelet system. The nurse who obtained specimens did not label them with the blood bank number before she handed them to transport to take to the laboratory. What would be the most appropriate action to take?

Accepted Answer

A)  Call surgery and have the nurse come down and properly label the specimens. 
B)  Accept the specimen as is. 
C)  Reject the specimen and have it re-collected. 
D)  Label the specimen yourself and continue with testing. 
A)  Call surgery and have the nurse come down and properly label the specimens. 
B)  Accept the specimen as is. 
C)  Reject the specimen and have it re-collected. 
D)  Label the specimen yourself and continue with testing.

Question 12

Why are monoclonal anti-D reagents preferred over the slide test reagents?

Accepted Answer

A)  They contain a low protein concentration and are not prone to false-positive reactions. 
B)  They contain a high protein concentration and are not prone to false-negative reactions. 
C)  They contain albumin, which acts as a potentiator. 
D)  None of the above 
A)  They contain a low protein concentration and are not prone to false-positive reactions. 
B)  They contain a high protein concentration and are not prone to false-negative reactions. 
C)  They contain albumin, which acts as a potentiator. 
D)  None of the above

Question 13

What quantitative test is performed when the rosette test for fetal maternal hemorrhage is positive?

Accepted Answer

A)  Hemoglobin electrophoresis 
B)  Kleihauer-Betke 
C)  Fetal screen 
D)  Titration 
A)  Hemoglobin electrophoresis 
B)  Kleihauer-Betke 
C)  Fetal screen 
D)  Titration

Question 14

What one forward-typing reagent can be used to confirm O units collected from another facility?

Accepted Answer

A)  Anti-A 
B)  Anti-B 
C)  Anti-A,B 
D)  Anti-H 
A)  Anti-A 
B)  Anti-B 
C)  Anti-A,B 
D)  Anti-H

Question 15

Which patient is most likely to require irradiated products?

Accepted Answer

A)  Patient undergoing a bone marrow transplant 
B)  Patient undergoing open heart surgery 
C)  Newborn 
D)  Geriatric patient 
A)  Patient undergoing a bone marrow transplant 
B)  Patient undergoing open heart surgery 
C)  Newborn 
D)  Geriatric patient

Question 16

Which of the following options are suitability requirements for product labeling?

Accepted Answer

A)  Absence of detectable antibodies 
B)  No discrepancies in ABO and Rh testing 
C)  Nonreactive viral marker tests 
D)  All of the above 
A)  Absence of detectable antibodies 
B)  No discrepancies in ABO and Rh testing 
C)  Nonreactive viral marker tests 
D)  All of the above

Question 17

Tests performed on donors (ABO, Rh, antibody screen, viral testing) are only performed on first donations.

Accepted Answer

A) True 
 B)False

Question 18

In what department of the blood bank laboratory is knowledge of patient diagnosis, drug history, age, and transfusion history most important?

Accepted Answer

A)  Donor processing 
B)  Main laboratory 
C)  Reference laboratory 
D)  Component preparation and storage 
A)  Donor processing 
B)  Main laboratory 
C)  Reference laboratory 
D)  Component preparation and storage

Question 19

All blood banks in the United States are regulated by what agency?

Accepted Answer

A)  AABB 
B)  FDA 
C)  CAP 
D)  Joint Commission 
A)  AABB 
B)  FDA 
C)  CAP 
D)  Joint Commission

Question 20

A group O whole blood unit collected from an outside facility was needed for a group A recipient. How can packed cells be made in the shortest time possible?

Accepted Answer

A)  Red blood cell sedimentation 
B)  Refrigerated centrifugation 
C)  Vertical rotation 
D)  Filtration 
A)  Red blood cell sedimentation 
B)  Refrigerated centrifugation 
C)  Vertical rotation 
D)  Filtration

Exam 11: Overview of the Routine Blood Bank Laboratory

Platelets are stored on/in a(n) _____ , which provides constant agitation.

Which of the following might be used to investigate a cold autoantibody?

What is the main concern for obstetric patients in prenatal testing?

What additive is used to freeze blood for long-term storage at -65°C?

Why can the Rh-hr control be eliminated from donor processing?

A 40-year-old male presented in the ER with acute bleeding. The technologist received a specimen but was unable to resolve a typing discrepancy between the forward and reverse typings. What blood type should the patient receive for emergency transfusion?

Which cells are used for a donor's antibody screen?

In order to be considered fresh frozen plasma, the plasma needs to be prepared within _____ of collection?

It is December 1, 2012, and you irradiate an O-negative packed RBC that you have in inventory, which outdates January 5, 2013. What will the new outdate be for that unit?

What test(s) are involved when a physician orders a 4-unit crossmatch on a patient?

A STAT type and screen comes from surgery. Your institution uses a blood bank band ID bracelet system. The nurse who obtained specimens did not label them with the blood bank number before she handed them to transport to take to the laboratory. What would be the most appropriate action to take?

Why are monoclonal anti-D reagents preferred over the slide test reagents?

What quantitative test is performed when the rosette test for fetal maternal hemorrhage is positive?

What one forward-typing reagent can be used to confirm O units collected from another facility?

Which patient is most likely to require irradiated products?

Which of the following options are suitability requirements for product labeling?

Tests performed on donors (ABO, Rh, antibody screen, viral testing) are only performed on first donations.

In what department of the blood bank laboratory is knowledge of patient diagnosis, drug history, age, and transfusion history most important?

All blood banks in the United States are regulated by what agency?

A group O whole blood unit collected from an outside facility was needed for a group A recipient. How can packed cells be made in the shortest time possible?

Red Blood Cells and Platelet Preservation: Historical Perspectives and Current Trends

Basic Genetics

Fundamentals of Immunology

Concepts in Molecular Biology

The Antiglobulin Test

The Abo Blood Group System

The RH Blood Group System

Blood Group Terminology and the Other Blood Groups

Detection and Identification of Antibodies

Pre-Transfusion Testing

Other Technologies and Automation

Donor Screening and Component Preparation

Apheresis

Transfusion Therapy

Cellular Therapy

Transfusion-Transmitted Diseases

Hemolytic Disease of the Fetus and Newborn

Autoimmune Hemolytic Anemias

The Hla System

Relationship Testing

Quality Management

Transfusion Safety and Federal Regulatory Requirements

Utilization Management

Laboratory Information Systems

Medicolegal and Ethical Aspects of Providing Blood Collection and Transfusion Services

Tissue Banking: A New Role for the Transfusion Service

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