2026 UPDATE | QUESTIONS AND ANSWERS | WITH
COMPLETE SOLUTION!!
Which of the following is NOT a part of a QA program? Answer - viral marker
testing
What criteria apply to the correction of manual records? Answer - the original
entry is not deleted, the person making the correction dates and initials the
change, the item is crossed out with a single line
What is the purpose of competency assessment? Answer - *identify
employees in need of retraining
*comply with regulatory standards
What does not apply to the performance of internal audits? Answer - they are
solely used to identify troublemakers
Where are cGMPs applicable to the blood bank industry found? Answer - FDA
code of federal regulations
WHat term describes the process to identify the factors contributing to the
occurence of nonconformance? Answer - root cause analysis
government agency that regulates blood banks Answer - FDA
,agency responsible for safety Answer - OSHA
voluntary peer review organization Answer - AABB
Who is ULTIMATELY responsible for a safety program in the lab? Answer - the
employer or lab director
What organization publishes the "Technical Manual" Answer - AABB
The organization that provides certified good manufacturing practices (cGMPs)
for BB Answer - FDA
Term for goggles, face masks, and shields Answer - PPE
Policy of treating all substances as potentially infectious Answer - standard
precautions
The most effective defense for infection control and safety Answer - hand
washing
The disinfectant used for decontamination Answer - 1:10 bleach dilution
When should an accident or injury be reported Answer - at the time the
accident or injury occurs
The best way to keep employees and the lab safe Answer - safety training
,determine the degree of risk to exposure of infectious disease Answer -
biosafety levels
classes of medical waste per the EPA Answer - micro and patho waste, blood
specimens and products, lab coats and gowns, sharps
Flash point Answer - the minimum temperature at which a liquid fuel produces
enough vapor to burn
Proficiency testing should be performed by Answer - all personnel who
routinely perform the procedure
Which cells produce antibodies Answer - B lymphocytes that get activated and
turn into plasma cells
term that describes the number of antigen binding sites per molecule of
antibody? Answer - valency
Describes the unique part of the antigen that is recognized by a corresponding
antibody Answer - epitope
Which molecule does not make a good immunogenic substance? Answer -
lipids
What is the chemical composition of an antibody? Answer - glycoprotein
Where is the antigen located in the hemagglutination test? Answer - on the
RBC membrane
, What can enhance hemagglutination reactions? Answer - increasing the
incubation time
describes molecules that bind to an antigen to increase phagocytosis Answer -
opsonins
after performing a tube test, the supernatant of the test was pinkish, and the
red cell button was small, how do you interpret these results? Answer -
positive
many small agglutinates in a background of free cells Answer - 1+
to determine the presence of a red cell antibody, what is the source of antigen
Answer - commercial reagent red cells
How does compliment activation demonstrate within the body? Answer - cell
lysis, enhanced cell clearance, neutrophil activation, generation of vasoactive
amines
After the addition of anti-A reagent to a patient's red cell suspension,
agglutination was observed. The result with anti-B reagent was negative. What
is the interpretation of this patient's ABO typing? Answer - patient is group A
contains 10 antigen binding sites Answer - IgM
Produced early in an immune response Answer - IgM
able to cross the placenta Answer - IgG