Scientist in Blood Banking (BB) — Information & Free Practice
US · Examination information
200 free questions · Answer explanations · No signup required
Scientist in Blood Banking (BB)
- Exam questions
- Total questions: 100; The total includes the scored and unscored questions.
Examination outline
The authority publishes percentage ranges for each content area. The practice percentages below use the midpoint of each range, normalized to 100%; they are not exact percentages published by the authority. Practice question counts may differ slightly because of rounding.
Blood Products — Official range: 15–20% (Practice allocation: 17.95%)
- Donors
- Processing
- Storage
- Blood Components
- Blood Component Quality Control
Blood Group Systems — Official range: 15–20% (Practice allocation: 17.95%)
- Genetics
- Biochemistry/Antigens
- Role of Blood Groups in Transfusion
Immunology and Physiology — Official range: 10–20% (Practice allocation: 15.38%)
- Immunology
- Physiology and Pathophysiology
Serologic and Molecular Testing — Official range: 20–25% (Practice allocation: 23.08%)
- Routine Tests
- Reagents
- Special Tests and Reagents
- Quality Assurance
Transfusion Practice — Official range: 15–20% (Practice allocation: 17.95%)
- Indications for Transfusion
- Component Therapy
- Adverse Effects of Transfusion
- Apheresis and Extracorporeal Circulation
- Blood Administration and Patient Blood Management
Laboratory Operations — Official range: 5–10% (Practice allocation: 7.69%)
- Quality Assessment/Troubleshooting
- Safety
- Laboratory Mathematics
- Instrumentation
Examination sources
- ASCP BOC BB examination content guideline
pages 1-4, BB content areas and detailed content outline
- ASCP BOC BB examination content guideline
page 1, Examination Format
- ASCP BOC BB examination content guideline
page 1, Examination Format, question count
- ASCP BOC About the Examination
Field Test Questions
- ASCP BOC BB credential page
Apply section, ASCP application
Related license preparation
This examination may be required or accepted as an alternative, depending on the license and application pathway.