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Quiz about Blood Bank and Haematology Collide
Quiz about Blood Bank and Haematology Collide

Blood Bank and Haematology Collide Quiz


This quiz is very much from the blood banker's perspective. Some ABO and Rh questions, but mostly associated haematology questions that impact blood banking and vice versa.

A multiple-choice quiz by lateonenite. Estimated time: 5 mins.
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Author
lateonenite
Time
5 mins
Type
Multiple Choice
Quiz #
258,100
Updated
Dec 03 21
# Qns
10
Difficulty
Tough
Avg Score
6 / 10
Plays
2764
Awards
Top 20% Quiz
Last 3 plays: lolleyjay (0/10), workisboring (10/10), postcards2go (5/10).
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Question 1 of 10
1. What "naturally occurring" ABO antibodies are present in a person with group A blood? Hint


Question 2 of 10
2. What condition would NOT require regular transfusions of red cells? Hint


Question 3 of 10
3. Patients undergoing certain types of surgery can opt to donate their own blood before the procedure. They are then transfused their own blood if they need it. What is this type of blood donation called? Hint


Question 4 of 10
4. Usually, a patient cannot anticipate requiring a transfusion and has to be given blood from the blood bank. What is a blood transfusion from an anonymous donor called? Hint


Question 5 of 10
5. Which of the following cannot be derived from a single whole blood donation? Hint


Question 6 of 10
6. Aside from human immunodeficiency virus (HIV), what other human retrovirus is screened for in donated blood? Hint


Question 7 of 10
7. Graft-versus-host disease (GvHD) is a serious complication in transfusion medicine whereby the donated blood contains lymphocytes which can attack the recipient's body cells. How can a unit of blood or blood product be treated so that the risk of GvHD is reduced? Hint


Question 8 of 10
8. What is TRALI? Hint


Question 9 of 10
9. What does the blood group "B Positive" mean? Hint


Question 10 of 10
10. What does DIC stand for? Hint



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Mar 26 2024 : lolleyjay: 0/10
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quiz
Quiz Answer Key and Fun Facts
1. What "naturally occurring" ABO antibodies are present in a person with group A blood?

Answer: Anti-B antibodies

Anti-B antibodies will be present in the person. This is usually after six months of age. They are referred to as "naturally occurring" as if they arise spontaneously but are thought to be a cross-reactivity of the antibodies for capsular antigens of bacteria in the gut with the ABO blood group antigens.

The ABO antibodies are always against the antigen the red cells do not express. That means that group A people have anti B, group B have anti-A, group O have anti-A and anti-B and group AB have no antibodies. For the purists, group O individuals have a combined anti-A/B as well as anti-A and anti-B. Group AB individuals may well have antibodies to sub-groups of A antigens. Let me get to that in another quiz.
2. What condition would NOT require regular transfusions of red cells?

Answer: Iron deficiency anaemia

Iron deficiency anaemia is usually treated by iron supplements or a dietary change unless the anaemia is life threatening or the patient is aged. Homozygous beta-thalassemia and sickle cell disease are treated routinely with transfusion to prevent further complications as well as management of the continuing disease.
3. Patients undergoing certain types of surgery can opt to donate their own blood before the procedure. They are then transfused their own blood if they need it. What is this type of blood donation called?

Answer: Autologous

Autologous donations are those for the recipient from their own blood. Autologous donations are usually taken twice in the month preceding the operation, giving the patient at least a fortnight to recover their blood volume prior to the procedure.
4. Usually, a patient cannot anticipate requiring a transfusion and has to be given blood from the blood bank. What is a blood transfusion from an anonymous donor called?

Answer: Homologous

Homologous transfusion or transplant is from a donor of the same species but not the same individual.
5. Which of the following cannot be derived from a single whole blood donation?

Answer: Normal serum albumin

Normal serum albumin (called NSA) is pooled from the serum of multiple blood donations.
6. Aside from human immunodeficiency virus (HIV), what other human retrovirus is screened for in donated blood?

Answer: Human T-cell lymphotropic virus type (HTLV)

Human T-cell lymphotropic virus type I was the first human retrovirus isolated. It was the first to be found to cause a malignant disease.
7. Graft-versus-host disease (GvHD) is a serious complication in transfusion medicine whereby the donated blood contains lymphocytes which can attack the recipient's body cells. How can a unit of blood or blood product be treated so that the risk of GvHD is reduced?

Answer: Irradiation

Lymphocytes retain proliferative ability in the peripheral circulation, whereas all other white cells are terminally differentiated. Proliferative capability means that irradiation can target actively mitotic cells.
Filters are used to remove white cells, but their efficacy in the removal of lymphocytes is limited due to the small size of these white cells. Cooling the blood prior to transfusion would do no good at all, and would injure the patient (at the very least it would hurt).
8. What is TRALI?

Answer: Transfusion Related Acute Lung Injury

Transfusion Related Acute Lung Injuries result from transfusion of blood products leading to chills, fever and hypotension. It is thought to be transmitted through the transfusion of HLA or neutrophil directed antibodies from the donor, combined with the accumulation of recipient's white cells in the lungs due to trauma.
Often the patient is ventilated and unconscious and therefore is unable to complain of discomfort and the respiratory insufficiency may be attributed to another cause.
9. What does the blood group "B Positive" mean?

Answer: The person is ABO Group B and Rh (D) positive.

In blood grouping, the ABO group is given first (A, B, AB or O) and the positive or negative refers to the presence or absence of the D antigen, respectively. The D antigen is part of the Rh system.
Statistically, B positive is a very prevalent blood group in the Chinese population.
10. What does DIC stand for?

Answer: Disseminated intravascular coagulation

Disseminated intravascular coagulation is a particularly nasty occurrence where the blood clots inside the circulation. The causes of DIC include acute haemolytic transfusion reactions, severe Gram-negative sepsis and obstetric accidents.
Source: Author lateonenite

This quiz was reviewed by FunTrivia editor crisw before going online.
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