Blood Bank Ascp Blood Products
- 1.
The minimum hemoglobin concentration in a fingerstick from a male blood donor is
- A.
12.0 g/dl(120 g/L)
- B.
12.5 g/dL (125 g/L)
- C.
13.5 g/dL(135 g/L)
- D.
15.0 g/dL (150 g/L)
Correct Answer
B. 12.5 g/dL (125 g/L)Explanation
All donors, regardless of sex, require a minimum hemoglobin of 12.5 g/dL (125 g/L). The value must not be performed on an earlobed stick.Rate this question:
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- 2.
A cause for permanent deferral of blood donation is
- A.
Diabetes
- B.
Residence in an endemic malaria region
- C.
History of jaundice of uncertain cause
- D.
History of therapeutic rabies vaccine
Correct Answer
C. History of jaundice of uncertain causeExplanation
Jaunice is a sign of liver imapirment, which might be due to HBV or HCV. Infection with HBV and HCV is a cause for indefinite deferral.Rate this question:
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- 3.
Which of the following prospective donors would be accepted for donation?
- A.
32 year old woman who received a transfusion in a complicated delivery 5 months previously
- B.
19 year old sailor who has been stateside for 9 months and stopped taking his anti-malarial medication 9 months prevously
- C.
22 year old college student who has a temperature of 99.2 degrees Farenheit(37.3 Celsius) and states that he feels well, but is nervous about donating
- D.
45-year old woman who has just recovered fro ma bladder infection and is still taking antibiotics.
Correct Answer
C. 22 year old college student who has a temperature of 99.2 degrees Farenheit(37.3 Celsius) and states that he feels well, but is nervous about donatingExplanation
The receipt of blood products is a 6 month deferral, the deferral for travel to areas endemic for malaria is 12 months regardless of antimalarial prophylaxis and a person taking antibiotics may have bacteremia. The requirement for temperature is not over 37.5 degrees Celsius or 99.5 degrees Fahrenheit.Rate this question:
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- 4.
Which one of the following constitutes permanent rejection status of a donor?
- A.
A tattoo 5 month previously
- B.
Recent close contact with a patient with viral hepatitis
- C.
2 units of blood transfused 4 months previously
- D.
Confirmed positive test for HBsAg 10 years previously
Correct Answer
D. Confirmed positive test for HBsAg 10 years previouslyExplanation
A positive test for HbsAg at any time is an indefinite deferral.Rate this question:
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- 5.
According to AABB standards, which of the following donors may be accepted as a blood donor?
- A.
Traveled to an area endemic for malaria 9 months previously
- B.
Spontaneous abortion at 2 months of pregnancy, 2 month previously
- C.
Resides with a known hepatitis patient
- D.
Received a blood transfusion 72 weeks previously
Correct Answer
B. Spontaneous abortion at 2 months of pregnancy, 2 month previouslyExplanation
A woman who had a spontaneous abortion at 2 months of pregnancy, 3 months previously would be acceptable. A donor is acceptable if she has not been pregnant in the previous 6 weeks.Rate this question:
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- 6.
Below are the results of the history obtained from a prospective femal blood donor age 16 temperature 99.0 F (37.2 C) Hct 36% history tetanus toxoid immunization 1 week previously How many of the above results excludes this donor from giving blood for a routine transfusion?
- A.
None
- B.
1
- C.
2
- D.
3
Correct Answer
B. 1Explanation
The Hct must be >38%. A donor may be 16 unless state law differs. Temperature must not exceed 99.5 degrees Fahrenheit or37.5 degrees Celsius, blood pressure must be < 180 mm Hg systolic and < 100 mm Hg diastolic, pulse 50-100 unless an athlete (which can be lower) Toxoids and vaccines from synthetic or killed sources have no deferral.Rate this question:
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- 7.
For apheresis donors who donate platelets more frequently than every 4 weeks must be performed prior to the procedure and be at least:
- A.
150 x 10^3/ul (150 x 10^9/L)
- B.
200 x 10^3/ul (200 x 10^9/L)
- C.
250 x 10^3/ul (250 x 10^9/L)
- D.
300 x 10^3/ul (300 x 10^9/L)
Correct Answer
A. 150 x 10^3/ul (150 x 10^9/L)Explanation
The minimum platelet count required for frequent repeat donors is 150 x 10^3/uL (150 x 10^9/L). A platelet count is not required prior to the first donation or if the interval between donations is at least 4 weeks.Rate this question:
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