Question 1

The ABO group of the neonate is determined only by typing red blood cells with

Accepted Answer

A) anti-A antiserum 
B) anti-B antiserum 
C) both anti-A and anti-B antisera 
D) both anti-A and anti-O antisera 
A) anti-A antiserum 
B) anti-B antiserum 
C) both anti-A and anti-B antisera 
D) both anti-A and anti-O antisera C

Question 2

What is the purpose of a reflex test?

Accepted Answer

A) Detect unexpected red blood cell antibodies 
B) Identify red blood cell phenotype 
C) Increase sensitivity of pretransfusion testing 
D) Investigate an inconclusive or unexpected result 
A) Detect unexpected red blood cell antibodies 
B) Identify red blood cell phenotype 
C) Increase sensitivity of pretransfusion testing 
D) Investigate an inconclusive or unexpected result D

Question 3

A type and screen includes all of the following tests except

Accepted Answer

A) ABO group 
B) Antibody screen 
C) Patient cell phenotype 
D) Rh(
D) type 
A) ABO group 
B) Antibody screen 
C) Patient cell phenotype 
D) Rh(
D) type C

Question 4

Crossmatch is also known as

Accepted Answer

A) Compatibility testing 
B) Donor cell antigen typing 
C) Immediate spin phase testing 
D) Patient cell antigen typing 
A) Compatibility testing 
B) Donor cell antigen typing 
C) Immediate spin phase testing 
D) Patient cell antigen typing

Question 5

In the event that a patient's ABO type cannot be determined in accordance with facility policies,group ____ cells may be issued for transfusion until the patient's ABO type has been resolved.

Accepted Answer

A) A 
B) B 
C) O 
D) AB 
A) A 
B) B 
C) O 
D) AB

Question 6

All of the following should be included in a visual inspection of a platelet unit except

Accepted Answer

A) Check for unusual particulate matter 
B) Check for hemolysis 
C) Check for visible clots 
D) Check for Leᵃkage 
A) Check for unusual particulate matter 
B) Check for hemolysis 
C) Check for visible clots 
D) Check for Leᵃkage

Question 7

When performing an immediate spin crossmatch,a suggested procedure is to add one drop of 3-5% saline washed donor red blood cell suspension to ____ drop(s)of recipient plasma in a test tube.

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 8

Allocating can be considered a separate process or it can be considered the ___ step in the crossmatch process.

Accepted Answer

A) Critical 
B) First 
C) Last 
D) Second 
A) Critical 
B) First 
C) Last 
D) Second

Question 9

Another term for the electronic crossmatch is

Accepted Answer

A) computer-aided crossmatch 
B) computer-assisted crossmatch 
C) computer-enhanced crossmatch 
D) computer-generated crossmatch 
A) computer-aided crossmatch 
B) computer-assisted crossmatch 
C) computer-enhanced crossmatch 
D) computer-generated crossmatch

Question 10

If a recipient is hemodynamically unstable most experts would agree that incompatible red blood cell units

Accepted Answer

A) should be washed before transfusion 
B) should be withheld 
C) should not be split before transfusion 
D) should not be withheld 
A) should be washed before transfusion 
B) should be withheld 
C) should not be split before transfusion 
D) should not be withheld

Question 11

Which statement is false?

Accepted Answer

A) Downtime procedures are vital in a laboratory that performs electronic crossmatches. 
B) Downtime procedures encompass back entry of results once the LIS is functioning again. 
C) During downtime,antiglobulin crossmatch should be performed on all specimens if recipients requiring an antiglobulin crossmatch cannot be identified. 
D) During downtime,immediate spin crossmatches will be rarely performed instead of electronic crossmatches. 
A) Downtime procedures are vital in a laboratory that performs electronic crossmatches. 
B) Downtime procedures encompass back entry of results once the LIS is functioning again. 
C) During downtime,antiglobulin crossmatch should be performed on all specimens if recipients requiring an antiglobulin crossmatch cannot be identified. 
D) During downtime,immediate spin crossmatches will be rarely performed instead of electronic crossmatches.

Question 12

When blood components are ordered all of the following are true except

Accepted Answer

A) Name of the physician placing the order must be indicated 
B) Orders should be placed to ensure sufficient time to perform complete testing 
C) Requests must include the number and type of components required 
D) Requests must only be made using a written request form 
A) Name of the physician placing the order must be indicated 
B) Orders should be placed to ensure sufficient time to perform complete testing 
C) Requests must include the number and type of components required 
D) Requests must only be made using a written request form

Question 13

Which of the following should be performed if the current antibody screen is positive and/or the patient has a history of clinically significant antibodies?

Accepted Answer

A) Computer-assisted crossmatch (CA
C)  
B) Direct antiglobulin test (DAT)crossmatch 
C) Immediate spin (IS)crossmatch 
D) Indirect antiglobulin test (IAT)crossmatch 
A) Computer-assisted crossmatch (CA
C)  
B) Direct antiglobulin test (DAT)crossmatch 
C) Immediate spin (IS)crossmatch 
D) Indirect antiglobulin test (IAT)crossmatch

Question 14

In facilities that use the electronic crossmatch,the C:T (crossmatched:transfused)ratio should approach

Accepted Answer

A) 1:1 
B) 3:1 
C) 5:1 
D) 10:1 
A) 1:1 
B) 3:1 
C) 5:1 
D) 10:1

Question 15

In most situations,patients who type as Rh(D)negative should receive

Accepted Answer

A) Rh(
D) -negative red blood cells 
B) Rh(
D) -positive red blood cells 
C) Rh(
E) -negative red blood cells 
D) Rh(
E) -positive red blood cells 
A) Rh(
D) -negative red blood cells 
B) Rh(
D) -positive red blood cells 
C) Rh(
E) -negative red blood cells 
D) Rh(
E) -positive red blood cells

Question 16

Which of the following is not a type of additive used if antibody screening and identification is performed by tube testing?

Accepted Answer

A) Albumin 
B) DTT 
C) LISS 
D) PEG 
A) Albumin 
B) DTT 
C) LISS 
D) PEG

Question 17

All of the following are methodologies used for routine transfusion medicine testing except

Accepted Answer

A) Gel testing 
B) Immunodiffusion testing 
C) Solid phase testing 
D) Tube/microplate testing 
A) Gel testing 
B) Immunodiffusion testing 
C) Solid phase testing 
D) Tube/microplate testing

Question 18

The majority of hemolytic transfusion reactions that occur are due to

Accepted Answer

A) errors in sample or patient identification 
B) errors in written orders 
C) illegible handwriting on the order 
D) miscommunication of verbal orders 
A) errors in sample or patient identification 
B) errors in written orders 
C) illegible handwriting on the order 
D) miscommunication of verbal orders

Question 19

Issue of uncrossmatched red blood cells is defined as

Accepted Answer

A) ABO group has not been determined 
B) Antibody identification has not been completed 
C) Rh type has not been determined 
D) Some or all required testing has not been completed 
A) ABO group has not been determined 
B) Antibody identification has not been completed 
C) Rh type has not been determined 
D) Some or all required testing has not been completed

Question 20

In order for patients to give informed consent,they must first

Accepted Answer

A) be educated about the risks and benefits 
B) be scheduled for an appointment 
C) have a diagnosis 
D) sign a waiver 
A) be educated about the risks and benefits 
B) be scheduled for an appointment 
C) have a diagnosis 
D) sign a waiver

Exam 7: Pretransfusion and Compatibility Testing

The ABO group of the neonate is determined only by typing red blood cells with

What is the purpose of a reflex test?

A type and screen includes all of the following tests except

Crossmatch is also known as

In the event that a patient's ABO type cannot be determined in accordance with facility policies,group ____ cells may be issued for transfusion until the patient's ABO type has been resolved.

All of the following should be included in a visual inspection of a platelet unit except

When performing an immediate spin crossmatch,a suggested procedure is to add one drop of 3-5% saline washed donor red blood cell suspension to ____ drop(s)of recipient plasma in a test tube.

Allocating can be considered a separate process or it can be considered the ___ step in the crossmatch process.

Another term for the electronic crossmatch is

If a recipient is hemodynamically unstable most experts would agree that incompatible red blood cell units

Which statement is false?

When blood components are ordered all of the following are true except

Which of the following should be performed if the current antibody screen is positive and/or the patient has a history of clinically significant antibodies?

In facilities that use the electronic crossmatch,the C:T (crossmatched:transfused)ratio should approach

In most situations,patients who type as Rh(D)negative should receive

Which of the following is not a type of additive used if antibody screening and identification is performed by tube testing?

All of the following are methodologies used for routine transfusion medicine testing except

The majority of hemolytic transfusion reactions that occur are due to

Issue of uncrossmatched red blood cells is defined as

In order for patients to give informed consent,they must first

The Immune Process: the Origin and Interaction Between Antigens and Antibodies

Immunogenetics: the Origin of Antigens

Blood Bank Applications of Antigenantibody Reactions

Abo and Hh Blood Group Systems

Rh, Rhag, and Lw Blood Group Systems

Other Blood Group Systems

Identification of Unexpected Antibodies

Donor Selection, Phlebotomy, and Required Testing

Blood Products: Preparation, Storage, and Shipment of Blood Components

Component Therapy and Massive Transfusion

Adverse Reactions to Transfusion

Transfusion-Transmitted Infections

Perinatal and Neonatal Transfusion Issues

Autoimmune and Drug-Induced Immune Hemolytic Anemias

Platelet Refractory Patients

Transfusion Support of Selected Patient Populations

Human Histocompatibility

Methods in Parentage Testing

Transfusion Safety and Regulatory Issues

Quality Assurance

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