Modern Blood Banking & Transfusion Practices - Denise Harmening
What is the maximum volume of blood that can be collected from a 110-lb donor, including
samples for processing?
a. 450 mL
b. 500 mL
c. 525 mL
d. 550 mL - Answersc. 525 mL
When RBCs are stored, there is a "shift to the left." This means:
a. Hemoglobin oxygen affinity increases, owing to an increase in 2,3-DPG.
b. Hemoglobin oxygen affinity increases, owing to a decrease in 2,3-DPG.
c. Hemoglobin oxygen affinity decreases, owing to a decrease in 2,3-DPG.
d. Hemoglobin oxygen affinity decreases, owing to an increase in 2,3-DPG. - Answersb.
Hemoglobin oxygen affinity increases, owing to a decrease in 2,3-DPG.
Which of the following anticoagulant preservatives provides a storage time of 35 days at 1°C to
6°C for units of whole blood and prepared RBCs if an additive solution is not added?
a. ACD-A
b. CP2D
c. CPD
d. CPDA-1 - Answersd. CPDA-1
,What are the current storage time and storage temperature for platelet concentrates and
apheresis platelet components?
a. 5 days at 1°C to 6°C
b. 5 days at 24°C to 27°C
c. 5 days at 20°C to 24°C
d. 7 days at 22°C to 24°C - Answersc. 5 days at 20°C to 24°C
With continuous agitation
Maintain vascular integrity
Initial arrest of bleeding
Stabilization of hemostatic plug - AnswersRole of platelets
Factors influencing platelet metabolism and function in a closed system except:
a. Total platelet count
b. Duration of storage
c. Temperature of storage
d. Fibrinogen concentration - Answersd. Fibrinogen concentration
Platelet components are stored up fo 5 days at 20-24'C with continuous agitation. When
necessary during shipping, platelets can be stored without agitation for up to _____ (at 20 to
24'C) during a 5-day storage period
a. 4 hrs
b. 6 hrs
c. 12 hrs
d. 24 hrs - Answersd. 24 hrs
,Platelets stored ar (1-6'C): 2 days
If a platelet bag is broken or opened, the platelets must be transfused within _____ when
stored at 20 to 24'C
a. 4 hrs
b. 24 hrs
c. 5 days
d. 7 days - Answersa. 4 hrs
What is the minimum number of platelets required in a platelet concentrate prepared from
whole blood by centrifugation (90% of sampled units)?
a. 5.5 x 10^11
b. 3 x 10^10
c. 3 x 10^11
d. 5.5 x 10^10 - Answersd. 5.5 x 10^10
RBCs can be frozen for:
a. 12 months.
b. 1 year.
c. 5 years.
d. 10 years. - Answersd. 10 years
What is the minimum number of platelets required in an apheresis component (90% of the
sampled units)?
a. 3 x 10^11
b. 4 x 10^11
, c. 2 x 10^11
d. 3.5 x 10^11 - Answersa. 3 x 10^11
Whole blood and RBC units are stored at what temperature?
a. 1°C to 6°C
b. 20°C to 24°C
c. 37°C
d. 24°C to 27°C - Answersa. 1°C to 6°C
Additive solutions are approved for storage of red blood cells for how many days?
a. 21
b. 42
c. 35
d. 7 - Answersb. 42
One criterion used by the FDA for approval of new preservation solutions and storage
containers is an average 24-hour post-transfusion RBC survival of more than:
a. 50%.
b. 60%.
c. 65%.
d. 75%. - Answersd. 75%
What is the lowest allowable pH for a platelet component at outdate?
a. 6
b. 5.9
c. 6.8
What is the maximum volume of blood that can be collected from a 110-lb donor, including
samples for processing?
a. 450 mL
b. 500 mL
c. 525 mL
d. 550 mL - Answersc. 525 mL
When RBCs are stored, there is a "shift to the left." This means:
a. Hemoglobin oxygen affinity increases, owing to an increase in 2,3-DPG.
b. Hemoglobin oxygen affinity increases, owing to a decrease in 2,3-DPG.
c. Hemoglobin oxygen affinity decreases, owing to a decrease in 2,3-DPG.
d. Hemoglobin oxygen affinity decreases, owing to an increase in 2,3-DPG. - Answersb.
Hemoglobin oxygen affinity increases, owing to a decrease in 2,3-DPG.
Which of the following anticoagulant preservatives provides a storage time of 35 days at 1°C to
6°C for units of whole blood and prepared RBCs if an additive solution is not added?
a. ACD-A
b. CP2D
c. CPD
d. CPDA-1 - Answersd. CPDA-1
,What are the current storage time and storage temperature for platelet concentrates and
apheresis platelet components?
a. 5 days at 1°C to 6°C
b. 5 days at 24°C to 27°C
c. 5 days at 20°C to 24°C
d. 7 days at 22°C to 24°C - Answersc. 5 days at 20°C to 24°C
With continuous agitation
Maintain vascular integrity
Initial arrest of bleeding
Stabilization of hemostatic plug - AnswersRole of platelets
Factors influencing platelet metabolism and function in a closed system except:
a. Total platelet count
b. Duration of storage
c. Temperature of storage
d. Fibrinogen concentration - Answersd. Fibrinogen concentration
Platelet components are stored up fo 5 days at 20-24'C with continuous agitation. When
necessary during shipping, platelets can be stored without agitation for up to _____ (at 20 to
24'C) during a 5-day storage period
a. 4 hrs
b. 6 hrs
c. 12 hrs
d. 24 hrs - Answersd. 24 hrs
,Platelets stored ar (1-6'C): 2 days
If a platelet bag is broken or opened, the platelets must be transfused within _____ when
stored at 20 to 24'C
a. 4 hrs
b. 24 hrs
c. 5 days
d. 7 days - Answersa. 4 hrs
What is the minimum number of platelets required in a platelet concentrate prepared from
whole blood by centrifugation (90% of sampled units)?
a. 5.5 x 10^11
b. 3 x 10^10
c. 3 x 10^11
d. 5.5 x 10^10 - Answersd. 5.5 x 10^10
RBCs can be frozen for:
a. 12 months.
b. 1 year.
c. 5 years.
d. 10 years. - Answersd. 10 years
What is the minimum number of platelets required in an apheresis component (90% of the
sampled units)?
a. 3 x 10^11
b. 4 x 10^11
, c. 2 x 10^11
d. 3.5 x 10^11 - Answersa. 3 x 10^11
Whole blood and RBC units are stored at what temperature?
a. 1°C to 6°C
b. 20°C to 24°C
c. 37°C
d. 24°C to 27°C - Answersa. 1°C to 6°C
Additive solutions are approved for storage of red blood cells for how many days?
a. 21
b. 42
c. 35
d. 7 - Answersb. 42
One criterion used by the FDA for approval of new preservation solutions and storage
containers is an average 24-hour post-transfusion RBC survival of more than:
a. 50%.
b. 60%.
c. 65%.
d. 75%. - Answersd. 75%
What is the lowest allowable pH for a platelet component at outdate?
a. 6
b. 5.9
c. 6.8
