Question 1

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 E

Question 2

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. D

Question 3

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 A

Question 4

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 5

Nucleic acid tests are used to screen for:

Accepted Answer

A)  hepatitis C virus, West Nile virus, and HIV. 
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. 
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 6

Persons who have had injections of human growth hormone are indefinitely deferred as blood donors. This is because of possible transmission of:

Accepted Answer

A)  Trypanosomiasis cruzi. 
B)  Babesia microti. 
C)  Borrelia burgdorferi. 
D)  Creutzfeldt-Jakob disease. 
A)  Trypanosomiasis cruzi. 
B)  Babesia microti. 
C)  Borrelia burgdorferi. 
D)  Creutzfeldt-Jakob disease.

Question 7

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 8

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 9

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 10

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 11

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

Question 12

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 13

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

Question 14

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

Question 15

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 16

Human T-cell lymphotropic virus-I has which of the following characteristics?

Accepted Answer

A)  It can be transmitted in blood products. 
B)  It is found in patients with tropical spastic paraparesis. 
C)  It is found in patients with adult T-cell leukemia. 
D)  All of the above are correct. 
A)  It can be transmitted in blood products. 
B)  It is found in patients with tropical spastic paraparesis. 
C)  It is found in patients with adult T-cell leukemia. 
D)  All of the above are correct.

Question 17

Hepatitis A virus transmission in blood is unusual because:

Accepted Answer

A)  hepatitis A virus is usually transmitted by the enteric route. 
B)  hepatitis A virus is usually an acute hepatitis. 
C)  infectivity after a hepatitis A virus infection is usually only 2 weeks. 
D)  all of the above. 
A)  hepatitis A virus is usually transmitted by the enteric route. 
B)  hepatitis A virus is usually an acute hepatitis. 
C)  infectivity after a hepatitis A virus infection is usually only 2 weeks. 
D)  all of the above.

Question 18

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 19

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 20

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

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

A thorough donor history is the only way to prevent:

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

What is the true statement regarding West Nile virus testing?

Nucleic acid tests are used to screen for:

Persons who have had injections of human growth hormone are indefinitely deferred as blood donors. This is because of possible transmission of:

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

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:

The most common transmission of hepatitis B virus is by:

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

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

A hepatitis B virus carrier is defined as a:

Which of the following does not transmit hepatitis?

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

Chagas disease is caused by:

Human T-cell lymphotropic virus-I has which of the following characteristics?

Hepatitis A virus transmission in blood is unusual because:

When are surrogate marker tests useful?

The most sensitive test for HIV is:

Which hepatitis virus is transmitted similar to hepatitis A?

Immunology: Basic Principles and Applications in the Blood Bank

Blood Banking Reagents: Overview and Applications in Immunohematology

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

Donor Selection and Phlebotomy

Blood Component Preparation and Therapy

Adverse Complications of Transfusions

Hemolytic Disease of the Fetus and Newborn

Transfusion Therapy in Selected Patients

Quality Assurance and Regulation of the Blood Industry

Safety Issues in the Blood Bank

Filters

Exam 10: Testing of Donor Blood

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

A thorough donor history is the only way to prevent:

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

What is the true statement regarding West Nile virus testing?

Nucleic acid tests are used to screen for:

Persons who have had injections of human growth hormone are indefinitely deferred as blood donors. This is because of possible transmission of:

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

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:

The most common transmission of hepatitis B virus is by:

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

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

A hepatitis B virus carrier is defined as a:

Which of the following does not transmit hepatitis?

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

Chagas disease is caused by:

Human T-cell lymphotropic virus-I has which of the following characteristics?

Hepatitis A virus transmission in blood is unusual because:

When are surrogate marker tests useful?

The most sensitive test for HIV is:

Which hepatitis virus is transmitted similar to hepatitis A?

Immunology: Basic Principles and Applications in the Blood Bank

Blood Banking Reagents: Overview and Applications in Immunohematology

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

Donor Selection and Phlebotomy

Blood Component Preparation and Therapy

Adverse Complications of Transfusions

Hemolytic Disease of the Fetus and Newborn

Transfusion Therapy in Selected Patients

Quality Assurance and Regulation of the Blood Industry

Safety Issues in the Blood Bank

Filters