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how often can you donate whole blood
- 56 days (8 weeks)
- 6 times per year
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how often can you donate double RBCs
- every 112 days
- 3 times/year
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how often can you donate plateletpheresis
- every 7 days
- 24 times/year
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how often can you donate plasmapheresis?
- every 28 days
- 13 times per year
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how often can you donate granulocytes
- non pregnant or nursing women : every other day, 4 times per cycle.
- men: every other day up to 5 times
- each cycle is 2-4 weeks
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which blood type are double RBCs usually taken from?
O neg
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what is the shelf life of platelet donation
5 days
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eligibility for platelet donation
- weigh at least 110 lbs
- not taken aspirin in past 48 hours
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eligibility for double red cell donation
- males: weigh 150 lbs or more and be 5'1 or taller
- females: weigh 175 lbs or more and be 5'5 or taller
- be at least 17 years old
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shelf life of RBCs
42 days
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autologous donation
- no tylenol,assprin or alcohol 48 before donation
- requires doctors prescription
- no age limit
- no active infection
- may donate 4 to 7 days up to 72 hours before surgery
- are never crossed over
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frequency for directed donation
- can cross over
- no tylenol,assprin or alcohol 48 before donation
- requires doctors prescription
- no age limit
- no active infection
- may donate 4 to 7 days up to 72 hours before surgery
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what should the physical condition of the donor be when donating?
- no appearance of venipuncture tracking
- no skin lesion near venipuncture site
- pulse: 50 - 100 bpm
- blood pressure > or = 180/100 mm Hg. systolic/diastolic
- hematocrit: > 38%
- hemoglobin >12.5 g/dL
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whats the method for determining Hg qualitatively
- CuSO4 method using a SG of 1.053.
- blood drop should sink within 15 sec
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temporary deferrals
- 2 weeks: MMR, yellow fever, polio, typhoi
- 4 weeks: rubella, chicken pox
- 2 months: small pox
- pregnancy: 6 weeks postpartum
- tegison (medication): permanent
- accutain (medication): 1 month
- avodart (medication): 6 months
- soriatane (medication): 3 years
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12 month deferrels
- sex with HIV positive, HBV positive, hemophiliacs, drug users or individuals who paid for sex
- recipient of blood components or coagulation factors
- travel to malarial endemic country
- STD
- jail/prison
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permanent deferrals
- HIV, HBV, HCV positive
- protozoan diseases such as Chagas disease or Baebsiosis
- recevied human pituitary growth hormone
- lives in a country where Creutzfeld-Jacob disease is prevalent
- most cancers except minor skin cancer and carcinoma in situ of the cervix
- severe heart disease, liver disease
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Donor categories
- allogeneic: random donor
- autolgous: donate blood for your own use
- recipient specific directed: a donor is called for a specific recipient
- therapeutic bleeding: blood removed for medical purposes such as PV.
- apheresis: a specific part of blood collected from volunteer donor
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