Question 1

Transfusion-associated hepatitis can be caused by hepatitis __________ virus.

Accepted Answer

A) B 
B) C 
C) D 
D) all of the above 
A) B 
B) C 
C) D 
D) all of the above D

Question 2

Which hepatitis virus is transmitted similar to hepatitis A?

Accepted Answer

A) Hepatitis E virus 
B) Hepatitis B virus 
C) Hepatitis C virus 
D) Hepatitis D virus 
A) Hepatitis E virus 
B) Hepatitis B virus 
C) Hepatitis C virus 
D) Hepatitis D virus A

Question 3

Which of the following does not transmit hepatitis?

Accepted Answer

A) Fresh frozen plasma 
B) Cryoprecipitated AHF 
C) Platelets 
D) Plasma protein fraction 
A) Fresh frozen plasma 
B) Cryoprecipitated AHF 
C) Platelets 
D) Plasma protein fraction D

Question 4

Nucleic acid tests are used to screen for:

Accepted Answer

A) hepatitis C virus,West Nile virus,and HIV-1. 
B) Chagas disease,malaria,and syphilis. 
C) hepatitis B virus,hepatitis C virus,and HIV. 
D) human T-cell lymphotropic virus-I/human T-cell lymphotropic virus-II,HIV 1/HIV-2,and hepatitis C virus. 
A) hepatitis C virus,West Nile virus,and HIV-1. 
B) Chagas disease,malaria,and syphilis. 
C) hepatitis B virus,hepatitis C virus,and HIV. 
D) human T-cell lymphotropic virus-I/human T-cell lymphotropic virus-II,HIV 1/HIV-2,and hepatitis C virus.

Question 5

Cytomegalovirus infection from blood units can be avoided by:

Accepted Answer

A) leukocyte reduction. 
B) washing. 
C) freezing and thawing. 
D) nucleic acid testing. 
A) leukocyte reduction. 
B) washing. 
C) freezing and thawing. 
D) nucleic acid testing.

Question 6

When is the Western Blot test used in donor testing?

Accepted Answer

A) To confirm antibody-positive hepatitis C virus tests 
B) To confirm positive serological test for syphilis 
C) To confirm positive HIV antibody test results 
D) To screen for human T-cell lymphotropic virus-I/human T-cell lymphotropic virus-II in blood donors 
A) To confirm antibody-positive hepatitis C virus tests 
B) To confirm positive serological test for syphilis 
C) To confirm positive HIV antibody test results 
D) To screen for human T-cell lymphotropic virus-I/human T-cell lymphotropic virus-II in blood donors

Question 7

The most common transmission of hepatitis B virus is by:

Accepted Answer

A) contaminated food and water. 
B) transfusion. 
C) sexual transmission. 
D) intravenous drug use. 
A) contaminated food and water. 
B) transfusion. 
C) sexual transmission. 
D) intravenous drug use.

Question 8

If a donor is found to be positive for hepatitis C virus by nucleic acid testing,the process of "look-back" is initiated to:

Accepted Answer

A) quarantine units in the blood center that may exist from prior donations from the inventory. 
B) notify recipients who may have previously received blood from this donor. 
C) locate and quarantine units that have been sent to transfusion facilities from this donor in the past. 
D) all of the above. 
A) quarantine units in the blood center that may exist from prior donations from the inventory. 
B) notify recipients who may have previously received blood from this donor. 
C) locate and quarantine units that have been sent to transfusion facilities from this donor in the past. 
D) all of the above.

Question 9

The most sensitive test for HIV is:

Accepted Answer

A) enzyme-linked assays. 
B) chemiluminescence. 
C) Western blot. 
D) nucleic acid. 
A) enzyme-linked assays. 
B) chemiluminescence. 
C) Western blot. 
D) nucleic acid.

Question 10

Cytomegalovirus-positive blood is dangerous for which of the following types of patients?

Accepted Answer

A) Premature infants 
B) HIV-positive patients 
C) Bone marrow recipients 
D) Unborn infants of pregnant women who are seronegative 
E) All of the above 
A) Premature infants 
B) HIV-positive patients 
C) Bone marrow recipients 
D) Unborn infants of pregnant women who are seronegative 
E) All of the above

Question 11

Which of the following products is tested for bacterial contamination following storage?

Accepted Answer

A) Cryoprecipitated AHF 
B) Red blood cells,frozen 
C) Platelets 
D) Fresh frozen plasma 
A) Cryoprecipitated AHF 
B) Red blood cells,frozen 
C) Platelets 
D) Fresh frozen plasma

Question 12

After receiving Heptavax,the marker that demonstrates protection is hepatitis __________ antibody.

Accepted Answer

A) B surface 
B) B core 
C) C 
D) B envelope 
A) B surface 
B) B core 
C) C 
D) B envelope

Question 13

When are surrogate marker tests useful?

Accepted Answer

A) When the required test is too expensive 
B) When direct testing is not yet available 
C) If the required test detects too many false-positive results 
D) When the internal controls are not valid 
A) When the required test is too expensive 
B) When direct testing is not yet available 
C) If the required test detects too many false-positive results 
D) When the internal controls are not valid

Question 14

Chagas disease is caused by:

Accepted Answer

A) Treponema pallidum. 
B) Trypanosoma cruzi. 
C) cytomegalovirus. 
D) Plasmodium vivax. 
A) Treponema pallidum. 
B) Trypanosoma cruzi. 
C) cytomegalovirus. 
D) Plasmodium vivax.

Question 15

A hepatitis B virus carrier is defined as a:

Accepted Answer

A) hepatitis B surface antigen-positive person who has liver disease as a result of a previous hepatitis exposure. 
B) person who can transmit hepatitis B virus but may not be outwardly affected by it. 
C) hepatitis B surface antibody-positive person,negative for hepatitis B surface antigen. 
D) hepatitis B core antibody-positive person,negative for hepatitis B surface antigen. 
A) hepatitis B surface antigen-positive person who has liver disease as a result of a previous hepatitis exposure. 
B) person who can transmit hepatitis B virus but may not be outwardly affected by it. 
C) hepatitis B surface antibody-positive person,negative for hepatitis B surface antigen. 
D) hepatitis B core antibody-positive person,negative for hepatitis B surface antigen.

Question 16

What is the true statement regarding West Nile virus testing?

Accepted Answer

A) Testing for West Nile virus is required only in New York and California. 
B) Testing for West Nile virus is necessary only in the warmer months of the year. 
C) West Nile virus testing is performed using nucleic acid testing on all donor units. 
D) West Nile virus testing is optional. 
A) Testing for West Nile virus is required only in New York and California. 
B) Testing for West Nile virus is necessary only in the warmer months of the year. 
C) West Nile virus testing is performed using nucleic acid testing on all donor units. 
D) West Nile virus testing is optional.

Question 17

A thorough donor history is the only way to prevent:

Accepted Answer

A) syphilis. 
B) human T-cell lymphotropic virus-I. 
C) cytomegalovirus. 
D) malaria. 
A) syphilis. 
B) human T-cell lymphotropic virus-I. 
C) cytomegalovirus. 
D) malaria.

Question 18

Some donor centers have implemented the practice of diverting the first few milliliters of blood collected into a pouch attached to the collection bag.The purpose of this procedure is to:

Accepted Answer

A) reduce leukocyte contamination. 
B) prepare pedipacks for neonates. 
C) avoid bacterial contamination. 
D) collect blood for viral testing. 
A) reduce leukocyte contamination. 
B) prepare pedipacks for neonates. 
C) avoid bacterial contamination. 
D) collect blood for viral testing.

Question 19

If clinically significant red cell antibodies are found in donor units:

Accepted Answer

A) platelet and fresh frozen plasma cannot be transfused. 
B) red blood cells can be used if the antibody interpretation is indicated on the label. 
C) the unit must be discarded and the donor permanently deferred. 
D) red blood cells must be washed before transfusion. 
A) platelet and fresh frozen plasma cannot be transfused. 
B) red blood cells can be used if the antibody interpretation is indicated on the label. 
C) the unit must be discarded and the donor permanently deferred. 
D) red blood cells must be washed before transfusion.

Question 20

Which of the following is the most common transfusion-transmitted disease?

Accepted Answer

A) AIDS 
B) Syphilis 
C) Cytomegalovirus 
D) Hepatitis 
A) AIDS 
B) Syphilis 
C) Cytomegalovirus 
D) Hepatitis

Transfusion-associated hepatitis can be caused by hepatitis __________ virus.

Which hepatitis virus is transmitted similar to hepatitis A?

Which of the following does not transmit hepatitis?

Nucleic acid tests are used to screen for:

Cytomegalovirus infection from blood units can be avoided by:

When is the Western Blot test used in donor testing?

The most common transmission of hepatitis B virus is by:

If a donor is found to be positive for hepatitis C virus by nucleic acid testing,the process of "look-back" is initiated to:

The most sensitive test for HIV is:

Cytomegalovirus-positive blood is dangerous for which of the following types of patients?

Which of the following products is tested for bacterial contamination following storage?

After receiving Heptavax,the marker that demonstrates protection is hepatitis __________ antibody.

When are surrogate marker tests useful?

Chagas disease is caused by:

A hepatitis B virus carrier is defined as a:

What is the true statement regarding West Nile virus testing?

A thorough donor history is the only way to prevent:

Some donor centers have implemented the practice of diverting the first few milliliters of blood collected into a pouch attached to the collection bag.The purpose of this procedure is to:

If clinically significant red cell antibodies are found in donor units:

Which of the following is the most common transfusion-transmitted disease?

Immunology: Basic Principles and Applications in the Blood Bank

Blood Banking Reagents: Overview and Applications

Genetic Principles in Blood Banking

Abo and H Blood Group Systems and Secretor Status

Rh Blood Group System

Other Blood Group Systems

Antibody Detection and Identification

Compatibility Testing

Blood Bank Automation for Transfusion Services

Adverse Complications of Transfusions

Hemolytic Disease of the Fetus and Newborn

Donor Selection and Phlebotomy

Blood Component Preparation and Therapy

Transfusion Therapy in Selected Patients

Quality Assurance and Regulation of the Blood Industry and Safety Issues in the Blood Bank

Filters

Exam 13: Testing of Donor Blood

Transfusion-associated hepatitis can be caused by hepatitis __________ virus.

Which hepatitis virus is transmitted similar to hepatitis A?

Which of the following does not transmit hepatitis?

Nucleic acid tests are used to screen for:

Cytomegalovirus infection from blood units can be avoided by:

When is the Western Blot test used in donor testing?

The most common transmission of hepatitis B virus is by:

If a donor is found to be positive for hepatitis C virus by nucleic acid testing,the process of "look-back" is initiated to:

The most sensitive test for HIV is:

Cytomegalovirus-positive blood is dangerous for which of the following types of patients?

Which of the following products is tested for bacterial contamination following storage?

After receiving Heptavax,the marker that demonstrates protection is hepatitis __________ antibody.

When are surrogate marker tests useful?

Chagas disease is caused by:

A hepatitis B virus carrier is defined as a:

What is the true statement regarding West Nile virus testing?

A thorough donor history is the only way to prevent:

Some donor centers have implemented the practice of diverting the first few milliliters of blood collected into a pouch attached to the collection bag.The purpose of this procedure is to:

If clinically significant red cell antibodies are found in donor units:

Which of the following is the most common transfusion-transmitted disease?

Immunology: Basic Principles and Applications in the Blood Bank

Blood Banking Reagents: Overview and Applications

Genetic Principles in Blood Banking

Abo and H Blood Group Systems and Secretor Status

Rh Blood Group System

Other Blood Group Systems

Antibody Detection and Identification

Compatibility Testing

Blood Bank Automation for Transfusion Services

Adverse Complications of Transfusions

Hemolytic Disease of the Fetus and Newborn

Donor Selection and Phlebotomy

Blood Component Preparation and Therapy

Transfusion Therapy in Selected Patients

Quality Assurance and Regulation of the Blood Industry and Safety Issues in the Blood Bank

Filters