Donors
What is the deferral period for an individual that got a tattoo today?
What is 3 months?
To determine the presence of a red cell antibody in a patient's sample, what is the known source of antigen?
What is commercial reagent red cells?
In order to enhance the reaction of an antibody in vitro, it may be necessary to add what?
What is a potentiator?
How do you know what antigen to type a patient for?
What is the reacting antibody?
How are platelets stored?
What is in an incubator at 20-24C with constant agitation?
What is a reason for a permanent deferral for blood donation?
What is a positive test result for the Hepatitis B Surface Antigen?
(also being a recipient of a dura mater or human pituitary growth hormone, and taking the medication Tegison)
What test looks for sensitization of patient's red cells in vivo?
What is the DAT?
(direct antiglobulin test)
In a serologic test, the term prozone is also known as what?
What is antibody excess?
What term refers to the presence of an excess amount of antigen present in a test system?
What is postzone?
How is fresh frozen plasma stored?
What is in the freezer at <= -18C?
A 35-yr old male patient appears in good health with the following physical evaluation:
Hgb 13.5g/dL
Hct 40%
BP 180/90
Temp 99.3F
Pulse 90bpm
Weight 260lbs
Is this an acceptable or deferred individual for an allogenic donation?
What is acceptable?
What reagent is used to confirm a negative antiglobulin tube test?
What is check cells?
(aka: Coombs Control, IgG-Sensitized Cells)
In what patient populations might you see weak or missing reactions in reverse typing?
What are geriatric patients, neonates, and immunosuppressed individuals?
If someone only has the H antigen in their body secretions, what is their blood type?
What is type O?
(patient is also a secretor)
What is in the fridge at 1-6C?
A 18-yr old female patient appears in good health with the following physical evaluation:
Hgb 11.5g/dL
Hct 34%
BP 120/60
Temp 98.5F
Pulse 80bpm
Weight 125lbs
Is this an acceptable or deferred individual for an autologous donation?
What is acceptable?
In this step of agglutination, antibody binds to antigen but no visible agglutination occurs.
What is sensitization?
What are extra unexpected reactions?
(mixed cell populations from previous transfusions, medications, or medical condition - look under microscope to confirm)
What genetic information is provided by hemagglutination testing for patient red cell antigens?
What is phenotype?
How is Cryo stored?
What is in the freezer at <= -18C?
What is the deferral period between double-red donations?
What is 16 weeks (112 days?
What type of testing is used when testing for compatibility between donors and recipients?
What is IAT?
OR
What is crossmatch?
What do you do if a patient has a positive antibody screen?
What is antibody panel?
If a patient has the antibody anti-K in their plasma, what would their antigen phenotype be?
What is K-antigen negative?
Where is fresh thawed plasma stored?
What is in the fridge at 1-6C?