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 blood product is most appropriate for a patient with severe neutropenia and an infection unresponsive to antibiotics?
- A.
Fresh Frozen Plasma (FFP)
- B.
Cryoprecipitate
- C.
Platelets
- D.
Granulocyte concentrates
Correct Answer
D. Granulocyte concentratesExplanation
Granulocyte concentrates are the correct choice for patients with severe neutropenia (low neutrophil count) who have an infection unresponsive to antibiotics. These concentrates provide the necessary neutrophils to help fight off bacterial and fungal infections. Fresh Frozen Plasma (FFP) and Cryoprecipitate are used for coagulation deficiencies, and Platelets are for thrombocytopenia (low platelet count), making them inappropriate for neutropenia-related infections.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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Aug 27, 2024Quiz Edited by
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May 22, 2011Quiz Created by
Darkrain9000