Question 1

What is the shelf-life of platelets if the unit is tested for bacterial contamination just prior to issuing?

Accepted Answer

A)  2 days 
B)  5 days 
C)  7 days 
D)  10 days 
A)  2 days 
B)  5 days 
C)  7 days 
D)  10 days

Question 2

A unit of granulocytes prepared on April 13th at 10:00 am and is irradiated at 2:00 pm the same day. What is the expiration date?

Accepted Answer

A)  April 13th 3:00 pm. 
B)  April 13th 10:00 pm. 
C)  April 14th 10:00 am. 
D)  April 14th 2:00 pm. 
A)  April 13th 3:00 pm. 
B)  April 13th 10:00 pm. 
C)  April 14th 10:00 am. 
D)  April 14th 2:00 pm.

Question 3

A patient has a baseline platelet count of 30,000/µL. Upon receiving a platelet pool of 4 random platelets, what would you expect the post-transfusion platelet count to be?

Accepted Answer

A)  35,000/µL 
B)  50,000/µL 
C)  80,000/µL 
D)  100,000/µL 
A)  35,000/µL 
B)  50,000/µL 
C)  80,000/µL 
D)  100,000/µL

Question 4

Frozen plasma is thawed at what temperature?

Accepted Answer

A)  2° to 4°C 
B)  18° to 22°C 
C)  30° to 37°C 
D)  45° to 56°C 
A)  2° to 4°C 
B)  18° to 22°C 
C)  30° to 37°C 
D)  45° to 56°C

Question 5

Which of the follow does NOT describe the preparation of antithrombin?

Accepted Answer

A)  Apheresis of a single donor sensitized donor 
B)  Prepared from pooled human plasma 
C)  Viral inactivation using heat treatment 
D)  Purification of milk from transgenic goats. 
A)  Apheresis of a single donor sensitized donor 
B)  Prepared from pooled human plasma 
C)  Viral inactivation using heat treatment 
D)  Purification of milk from transgenic goats.

Question 6

A unit of packed RBCs must be stored at what temperature?

Accepted Answer

A)  -65° to -20°C 
B)  - 10° to 2°C 
C)  1° to 6°C 
D)  8° to 20°C 
A)  -65° to -20°C 
B)  - 10° to 2°C 
C)  1° to 6°C 
D)  8° to 20°C

Question 7

What is the shelf life of packed RBCs collected in acid-citrate-dextrose?

Accepted Answer

A)  10 days 
B)  21 days 
C)  35 days 
D)  50 days 
A)  10 days 
B)  21 days 
C)  35 days 
D)  50 days

Question 8

What is the ratio of anticoagulant to whole blood in a unit of whole blood?

Accepted Answer

A)  8 mL of anticoagulant-preservative for every 100 mL of whole blood collected 
B)  14 mL of anticoagulant-preservative for every 100 mL of whole blood collected 
C)  22 mL of anticoagulant-preservative for every 100 mL of whole blood collected 
D)  30 mL of anticoagulant-preservative for every 100 mL of whole blood collected 
A)  8 mL of anticoagulant-preservative for every 100 mL of whole blood collected 
B)  14 mL of anticoagulant-preservative for every 100 mL of whole blood collected 
C)  22 mL of anticoagulant-preservative for every 100 mL of whole blood collected 
D)  30 mL of anticoagulant-preservative for every 100 mL of whole blood collected

Question 9

What is the shelf life of whole blood collected in citrate-phosphate-double dextrose?

Accepted Answer

A)  10 days 
B)  21 days 
C)  35 days 
D)  50 days 
A)  10 days 
B)  21 days 
C)  35 days 
D)  50 days

Question 10

A unit of red blood cells has an expiration date of 11/15/12. A patient currently on a fludarabine regimen requires irradiated packed red blood cells. The unit is irradiated for this patient on 11/02/12. What is the correct expiration date postirradiation?

Accepted Answer

A)  11/15/12 
B)  11/30/12 
C)  11/28/12 
D)  11/02/12 
A)  11/15/12 
B)  11/30/12 
C)  11/28/12 
D)  11/02/12

Question 11

How are RBCs separated from whole blood?

Accepted Answer

A)  Apheresis 
B)  Centrifugation 
C)  Sedimentation 
D)  All of these 
A)  Apheresis 
B)  Centrifugation 
C)  Sedimentation 
D)  All of these

Question 12

Which of the follow does NOT describe the preparation of immune serum globulin?

Accepted Answer

A)  Immune serum globulin is a concentrate of plasma gamma globulins. 
B)  It is prepared from pooled plasma by cold ethanol fractionation. 
C)  Preparations include intravenous (IV) or intramuscular (IM) forms. 
D)  The solution of immune serum globulin is dehydrated state and must be reconstituted with saline. 
A)  Immune serum globulin is a concentrate of plasma gamma globulins. 
B)  It is prepared from pooled plasma by cold ethanol fractionation. 
C)  Preparations include intravenous (IV) or intramuscular (IM) forms. 
D)  The solution of immune serum globulin is dehydrated state and must be reconstituted with saline.

Exam 15: Component Preparation

What is the shelf-life of platelets if the unit is tested for bacterial contamination just prior to issuing?

A unit of granulocytes prepared on April 13th at 10:00 am and is irradiated at 2:00 pm the same day. What is the expiration date?

A patient has a baseline platelet count of 30,000/µL. Upon receiving a platelet pool of 4 random platelets, what would you expect the post-transfusion platelet count to be?

Frozen plasma is thawed at what temperature?

Which of the follow does NOT describe the preparation of antithrombin?

A unit of packed RBCs must be stored at what temperature?

What is the shelf life of packed RBCs collected in acid-citrate-dextrose?

What is the ratio of anticoagulant to whole blood in a unit of whole blood?

What is the shelf life of whole blood collected in citrate-phosphate-double dextrose?

A unit of red blood cells has an expiration date of 11/15/12. A patient currently on a fludarabine regimen requires irradiated packed red blood cells. The unit is irradiated for this patient on 11/02/12. What is the correct expiration date postirradiation?

How are RBCs separated from whole blood?

Which of the follow does NOT describe the preparation of immune serum globulin?

Red Blood Cells and Platelet Preservation: Historical Perspectives and Current Trends

Basic Genetics

Fundamentals of Immunology

Concepts in Molecular Biology

The Antiglobulin Test

The Abo Blood Group System

The Rh Blood Group System

Blood Group Terminology and Common Blood Groups

Uncommon Blood Groups

Detection and Identification of Antibodies

Pre-Transfusion Testing

Blood Bank Technologies and Automation

Donor Selection

Transfusion-Transmitted Diseases

Transfusion Therapy

Adverse Effects of Blood Transfusion

Apheresis

Cellular Therapy in the Transplant Setting

Hemolytic Disease of the Fetus and Newborn

Autoimmune Hemolytic Anemias

Tissue Banking As Part of the Transfusion Service

The Hla System

Relationship Testing

Quality Management

Patient Blood Management

Transfusion Safety and Federal Regulatory Requirements

Laboratory Information Systems in the Blood Bank

Medicolegal and Ethical Aspects of Providing Blood Collection and Transfusion Services

Filters

A unit of granulocytes prepared on April 13^th at 10:00 am and is irradiated at 2:00 pm the same day. What is the expiration date?