BB

Question 1

1. 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

Question 2

2. How often can a blood donor donate whole blood?
   a. Every 24 hours
   b. Once a month
   c. Every 8 weeks
   d. Twice a year

Answer 2

C

Question 3

3. 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.

Question 4

4. The majority of platelets transfused in the United States today are:
   a. Whole blood–derived platelets prepared by the platelet-rich plasma method.
   b. Whole blood–derived platelets prepared by the buffy coat method.
   c. Apheresis platelets.
   d. Prestorage-pooled platelets.

Question 5

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

Question 6

6. What are the current storage time and storage temper- ature 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

Question 7

1. description of the antiglobulin test Is:
   a. IgG and c3d are required for RBC sensitization
   b. Human globulin is completely eluted from RBCS during Saline Washings.
   c. Human globulin is injected into an animal
   d. AHG reacts with human globulin molecules bound to rbcs

Question 8

2. Polyspecific AHG reagent contains:
   a. Anu-lgo and anti-igA
   b. Anti-IgG and anti-lgM
   c. Anti-IgG and anti-C3d.
   d. Anti-IgA and Anti-Cd.

Question 9

3. Monoclonal anti-C3d is:
   a. Derived from one clone of plasma cells
   b. Derived Irom multiple clones or plasma cells
   c. Derived from immunization o rabbits.
   d. Reactive with C3b and C3d.

Question 10

4. Which of the following is a clinically signiticant antibody whose detection has been reported in some instances to be dependent on anticomplement activ-it in polvspecific AHG?
   a. Anti-Jka
   b. Anti- Lea
   c. Anti-P1
   d. Anti-H