CTBS Exam Prep | Microorganisms, Serology, Hemodilution, Fluids | 2025 | AATB-Aligned

This focused CTBS Exam Prep guide for 2025 zeroes in on key high-yield topics related to microbial contamination, required serology testing, and blood product assessment, all essential for success in the AATB Certified Tissue Bank Specialist (CTBS) exam. The document contains expert-verified questions and answers designed for rapid memorization and deep understanding of critical biological and regulatory knowledge. Main topics covered include: Common microbial contaminants on cardiovascular, connective, musculoskeletal, skin, and ocular tissues Identification of sources of contamination (e.g., hair, air, fomites) Required serological tests, including Anti-HIV, HBV, HCV, WNV, Syphilis, and NAT requirements Classification of intravenous fluids into colloids (e.g., albumin, platelets) and crystalloids (e.g., saline, dextrose) Assessment time frames for fluid administration pre-death Hemodilution algorithm triggers, depending on age and volume of transfusions received before death This document is ideal for: Students in Clinical Laboratory Science, Biomedical Science, Health Sciences, Anatomy & Physiology, or Transplantation Studies Individuals preparing for CTBS certification via AATB Faculty and learners in university and college programs focused on tissue banking, medical compliance, or surgical technology Concise, exam-focused, and clearly structured, this material is perfect for last-minute review and targeted study. Keywords: CTBS, AATB, tissue banking, microorganisms, contamination sources, serology tests, HIV, HBV, HCV, WNV, hemodilution, colloids, crystalloids, blood transfusion, donor screening, streptococcus pyogenes, clostridium, fungi, saline, lactated ringers, NAT testing