WorksheetsBLOOD BANKING
Total questions: 20
Worksheet time: 10mins
A cause for permanent deferral of blood donation is:
diabetes
residence in an endemic malaria region
history of jaundice of uncertain cause
history of therapeutic rabies vaccine
Which one of the following constitutes permanent rejection status of a donor?
A tattoo 5 months previously
recent close contact with a patient with viral hepatitis
2 units of blood transfused 4 months previously
confirmed positive test for HBsAg 10 years previously
According to AABB standards, which of the following donors may be accepted as a blood donor?
traveled to an area endemic for malaria 9 months previously
spontaneous abortion at 2 months of pregnancy, 3 months previously
resides with a known hepatitis patient
received a blood transfusion 22 weeks previously
Which of the following blood components contains the most factor VIII concentration relative to volume?
single-donor plasma
platelets
fresh whole blood
cryoprecipitated AHF
A blood donor has the genotype: hh, AB. What is his red blood cell phenotype?
A
B
O
AB
A individual has been sensitized to the k antigen and has produced anti-k. What is her most probable Kell system genotype?
KK
Kk
kk
KoKo
Given the following typing results, what id this donor's racial ethnicity?
Le(a-b-); Fy(a-b-); Js(a+b+)
African America
Asian America
Native America
Caucasian
In an emergency situation, Rh-negative red cells are transfused into an Rh-positive person of the genotype CDe/CDe. The first antibody most likely to develop is:
anti-d
anti-c
anti-e
andti-E
Which of the following antigens is most likely to be involved in hemolytic disease of the newborn?
Le(a)
P(1)
M
Kell
Which of the following would be the best source of Platelets for transfusion in the case of alloimmune neonatal thrombocytopenia?
father
Mother
pooled platelet-rich plasma
polycythemic donor
To prevent graft-vs-host disease, RBCs prepared for infants who have received intra uterine transfusion should be:
saline-washed
irradiated
frozen and deglycerolized
group- and Rh- compatible with the mother
Criteria determining Rh immune eligibility include:
mother is Rh-positive
infant is Rh-negative
mother has not been previously immunized to the D antigen
infant has a positive direct antiglobulin test
The enzyme responsible for conferring H activity on the red cell membrane is alpha-:
galactosyl transferase
N-acetylgalactosaminyl transferase
L-fucosyl transferase
N-acetylglucosamynil transferase
Although ABO compatibility is preferred, ABO incompatible product may be administered when transfusing:
Cryoprecipitated AHF
Single-donor plasma
Fresh frozen plasma
Granulocytes
Which one of the following is an indicator of polyagglutination?
RBCs typing as weak D+
presence of red cell autoantibody
decreased serum bilirubin
agglutination with normal adult ABO compatible sera
What happens to an antibody in neutralization study when a soluble antigen is added to the test
Inhibition
Dilution
Complement fixation
hemolysis
Coughing, cyanosis, and difficult breathing are symptoms of which of the following transfusion reactions?
febrile
allergic
circulatory overload
hemolytic
To prevent febrile transfusion reactions, which red Blood Cell product should be transfused?
red blood cells, irradiated
CMV-negative red blood cells
red blood cells, leukocyte reduced
IgA-deficient donor blood
Leukocyte-poor red blood cells would most likely be indicated for patients with a history of:
febrile transfusion reactions
iron deficiency anemia
hemophilia A
von Villebrand disease
A trauma patient who just received ten units of blood may develop:
anemia
polycythemia
leukocytosis
thrombocytopenia
