Shared Flashcard Set

Details

Bb- Donor and Blood collection
test 1
56
Health Care
Undergraduate 4
06/14/2009

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Cards

Term
How long does the donor have to wait between donations of red blood cells?
Definition
eight weeks.
Term
What is the minimum age for allogeneic blood donation?
Definition
16 years.
Term
What is the minimum hemoglobin for allogeneic blood donation?
Definition
12.5 g/dL
Term
What is the minimum hematocrit for allogeneic blood donation?
Definition
38%
Term
What is the minimum pulse needed for allogeneic blood donation for non-athletes?
Definition
50.
Term
Under what conditions is it acceptable for someone with a pulse of less than 50 to make an allogeneic blood donation?
Definition
If the donor is an athlete.
Term
What is the maximum pulse accepted for allogeneic blood donation without approval from the medical director?
Definition
100.
Term
What is the maximum temperature (celsius and fahrenheit) for allogeneic blood donation?
Definition
37.5 C or 99.5 F
Term
What is the maximum blood pressure acceptable for allogeneic donation?
Definition
180/100
Term
What is the minimum weight for allogeneic donation? lb and kg?
Definition
110 lb or 50 kg
Term
How long is the deferral for a measles vaccination?
Definition
2 weeks.
Term
What two live attenuated viral vaccines have a 4 week deferral?
Definition
German measles- rubella and Chicken pox- varicella zoster
Term
How long is the deferral for hepatitis b immune globulin vaccine?
Definition
12 months.
Term
If a donor had viral hepatitis after 11th birthday, how long is the deferral?
Definition
indefinite.
Term
How long is the deferral for babesiosis or chagas' disease?
Definition
forever.
Term
Immigrants from what two countries are deferred indefinitely because of risk of Creutzfeld-Jakob disease?
Definition
UK and France.
Term
How long is the deferral for mucous membrane exposure to blood?
Definition
12 months.
Term
How long is the deferral for tattoos?
Definition
12 months.
Term
How long is the deferral for spending 72 hours or more in jail?
Definition
12 months.
Term
How long is the deferral for syphilis or gonorrhea?
Definition
12 months.
Term
How long is the deferral for malaria infection?
Definition
3 years.
Term
How long is the deferral for visiting a malaria-endemic area if symptom free?
Definition
12 months.
Term
How long is the deferral for a positive West Nile test?
Definition
120 days.
Term
If a donor took some aspirin within 48 hours before donating, are the platelets still usable?
Definition
They can be used in a pool but can't be the only source of platelets for a patient.
Term
Donation for self is called what?
Definition
autologous donation.
Term
How long are records of donors placed on deferral kept?
Definition
indefinitely.
Term
What is the age limit for autologous donation?
Definition
no limit.
Term
What is the weight limit for autologous donation?
Definition
no weight limit.
Term
What is the minimum hemoglobin needed to make an autologous donation?
Definition
at least 11 g/dL
Term
What is the minimum hematocrit needed for autologous donation?
Definition
33%
Term
When is an autologous donation made?
Definition
At least 8 weeks before the blood is needed, unless you have medical director approval. Not within 72 hours of surgery or transfusion.
Term
When is it not ok to make an autologous donation?
Definition
if the patient is being treated for bacteremia/ or within 72 hrs of surgery or transfusion.
Term
When would you need to remove anticoagulant before taking the donation?
Definition
If drawing less than 300 mL.
Term
How much anticoagulant is usually in the collection bag to start off?
Definition
63 mL.
Term
If drawing less than 300 mL, how do you figure out how much anticoagulant you need?
Definition
(vol. drawn/100) x 14
Term
what are the four types of autologous donations?
Definition
preoperative/predeposit; perioperative; intraoperative collection; postoperative collection.
Term
What is it called when blood is recovered from drainage devices and reinfused into patient after surgery?
Definition
postoperative collection.
Term
What is the difference between perioperative and intraoperative collection?
Definition
perioperative is collected as surgery begins; intraoperative is collected during surgery.
Term
Are autologous blood donations tested for disease markers?
Definition
No, unless the blood is sent to another facility.
Term
Blood separation in which whole blood is removed from the donor or patient, followed by separation into components; the desired component is retained and the recombined remaining elements are returned to the donor/patient.
Definition
hemapheresis
Term
what is plasmapheresis?
Definition
collection of plasma with reinfusion of cells.
Term
what is cytapheresis?
Definition
collection of cells with reinfusion of plasma and other cells
Term
Why would you have a recipient-specific designated donation?
Definition
if the patient has an antibody to a high-incidence antigen, patients with multiple antibodies, infants with neonatal thrombocytopenia recieving platelets from mother; IgA deficient patients.
Term
What is a directed donor?
Definition
Patient chooses his donors.
Term
In directed donation, is the blood tested the same way as other allogeneic donation?
Definition
Yes; selection and testing of donors is the same as all other allogeneic donors.
Term
What is it called when blood is taken out to relieve symptoms caused by abnormally high cellular elements in the blood stream?
Definition
therapeutic phlebotomy
Term
What is done with the components removed during therapeutic phlebotomy?
Definition
These diseased components are destroyed and not used for allogeneic transfusion.
Term
What must be obtained prior to collection of blood donation?
Definition
informed consent.
Term
When collecting a blood donation, what should you do if you miss the vein?
Definition
Get a new needle; you can't use the same needle because of aseptic technique.
Term
When collecting a blood donation, who signs the donor record?
Definition
the phlebotomist.
Term
How long is the minimum time to scrub the site before collecting a blood donation?
Definition
30 seconds minimum.
Term
How long should the blood collection take?
Definition
Less than 15 minutes.
Term
If not using platelets, how long should the blood collection take?
Definition
less than 20 minutes
Term
Are blood donations tested for antibodies?
Definition
Yes.
Term
What component of the blood donation is tested for bacteria?
Definition
platelets
Term
What is 'look back'?
Definition
Being able to notify the recipient of blood or blood components from donors who subsequently were found to have HIV, HCV or HTLV.
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