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interval between donations
8 weeks
oral temperature of a donor must not exceed which value
37.5°C
minimum acceptable Hg for blood donors
12.5g/dl for allogenic donors
lowest acceptable hematocrit for allogenic blood donors
38%
how long must a pregnant women be deferred?
6 weeks postpartum
how long must a prospective donor with a history of malaria be deferred?
3 years after cesation of treatment
What is the lenght for symptoms-free donors immunized oral polio, measles 9rebeola), or mumps vaccine?
2 weeks
current testing on all donor blood must include testing for?
serological test for siphillis
which one is not require (optional) by the AABB during blood donation?
a)RPR
b)anti-HIV
c)anti-HTLV
d)anti-HBc
anti-HBc
currently required viral hepattis marker test include all of the following EXCEPT:
a)anti-HAV
b)anti HCV
c)anti-HBc
d)HBsAg
anti-HAV
what is the commonly used screening method for the detection of HIV-1 antibodies?
enzyme linked immunoasorbent assays
labeling blood donor
a)A
b)B
c)O
d)AB
A-yellow
B-pink
O-blue
AB-black/gray/white
which infectious agent is most likely to be trasmitted by a blood transfusion?
a)HAV
b)HBc
c)HCV
d)HIV
HAV
donors with a history of what diseases can't donate :
  • heart
  • kidney
  • lungs
  • liver (hepatitis)
  • cancer
  • abnormal bleeding
  • subject to evaluation by a qualified physician on the day of donation
if donor self-exclude to donation____
indicate that donated blood can not be use for transfusion purposes
for donation must be at least___ years of age
17
minimal hemoglobin an hematocrit for autologous donors:
h/h--> 11g/dl / 33%
pulse for a donation
50 to 100 beat per min
(lower limit may be acceptable for athletes)
blood pressure for donation:
systolic-->not greater than 180mm Hg
diastolic-->not greater than 100mm Hg
permanent deferral if
  • history of viral hepatits
  • if donor's unit was the only one transfuse to a patient and patient develop posttransfussion hepatitis.
  • positive test for HBsAg or other marker
12 months deferment:
  • have received blood or blood products
  • have had tattoos
  • have had close contact with a persoh with viral hepatits.
about Malaria on donors
if immigrants, refugees, or citizens of areas endemic for the disease are deferred
in the very early acute phase of hepatits, which one of the following positive tests would be indicative of onset of a viremic state?
a) HBsAg
b)HBeAg
c)anti-HBc
d)anti-HBs
HBsAg (surface antigen of the Hepatitis-B-Virus
during the "window period", what is the only marker of HBV infection?
anit-HBc (antibody to hepatitis B core antigen)
what is the minimum length of time that a patient's serum must remain positive for HBsAg before the individual is reerred to as a chronic carrier?
6 months
which viral agent causes the majority of cases of transfusion-asociated hepatitis?
all of the following are required viral marker testing for the human immodeficiency virus except which one?
a)anti-HIV-1
B)anti-HIV-2
c)HIV-1 p24 antigen
d)anti-HTLV-I/II
HIV-1 P40 ANTIGEN
which virus can be deadly to immunocompromised patients or premature infants?
a)CMV
b)HTLV-1(The Human T-lymphotropic virus Type I)
c)HTLV-2
d)JC virus
CMV
All of the follwing microrganism have been implicated in bacterial contamination of donor blood products EXCEPT which one?
a)yersenia enterolitica
b)citrobacter freundii
c)pseudomonas putida
d)escherichia coli
escherichia cole
which one of the following parasites has NOT been trasmitted by blood transfusion?
a)babesia
b)naegleria
c)plasmodium
d)trypanosoma
naegleria
what is the acceptable temperature range for a blood bank refrigerator?
1-6ºC
according to FDA regulations, if blood is to be transported, then what temperature must be maintained during transportation?
1-10ºC
what is the expiration day of RBC preserve with CPDA-1 (citrate-phosphate-dextrose-adenine; an anticoagulant used in blood collection bags)
35DAYS
what is the expiration date of RBC preserve with ADSOL (adenine, glucose, mannitol, and sodium chloride solution)
42 DAYS
what is the shelf life of cryoprecipitated antihemophilic factor when stored at -18°C or lower?
1 year
what is the shelf life of fresh frozen plasma that is stored at -18°C or lower?
1 year
what is the optimum temperature for thawing fresh frozen plasma?
30-37°C
what is the shel life of platelets concentrates?
5 days at 20-24°C with constant agitation
if the hermetric seal on a unit of packed RBC has been broken, how soon must the product be used if stored in the blood bank refrigerator?
24 hours
which biochemical change does NOT occur in stored blood?
plasma K decreases
which one of the following is NOT a labeling requirement of specimen for crossmatching?
a)collection time
b)patient's name
c)hospital number
d)ordering physician
ordering physician
all of the following stametns concerning autologous transfusion are tru EXCEPT which one
a)they prevent alloimmunization
b)they are the safest possible transfusion
c)there are nodonor blood requirements for them
d)they eliminate the risk of tranfusion-transmitted infection
there are nodonor blood requirements for them
x of y cards