Blood Banking (Assessment Exam) Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

Blood Banking (Assessment Exam) Questions and Answers | Latest Version | 2025/2026 | Correct & Verified A patient’s blood typing shows agglutination with anti-A serum only. What is the patient’s blood group? A. Type B B. Type AB C. Type A D. Type O C. Type A Which antibody is naturally present in type B blood? A. Anti-B B. Anti-A C. Anti-D D. No antibodies B. Anti-A What is the primary purpose of antibody screening in blood banking? A. Detect infections B. Identify unexpected antibodies C. Measure hemoglobin D. Determine platelet count B. Identify unexpected antibodies Which blood component must be ABO compatible with the recipient’s plasma? A. Platelets B. Plasma C. Albumin D. Saline B. Plasma Which anticoagulant is commonly used in blood collection bags? A. Heparin B. EDTA C. CPDA-1 D. Warfarin C. CPDA-1 Agglutination during crossmatch testing indicates: A. Compatibility B. Incompatibility C. Normal reaction D. Low antibodies B. Incompatibility Which blood type is known as the universal plasma donor? A. O B. AB C. A D. B B. AB What test confirms ABO blood grouping? A. Indirect antiglobulin test B. Reverse typing C. Hemoglobin test D. ESR B. Reverse typing Which Rh type lacks the D antigen? A. Rh positive B. Rh neutral C. Rh negative D. Universal C. Rh negative The indirect antiglobulin test detects: A. Antibodies attached to RBCs in vivo B. Free antibodies in serum C. Platelet antibodies D. Plasma proteins B. Free antibodies in serum Which test is also called the Coombs test? A. Antiglobulin test B. Crossmatch C. Hematocrit D. ELISA A. Antiglobulin test Hemolysis observed during compatibility testing suggests: A. Proper match B. Antigen-antibody reaction C. Normal saline effect D. Temperature error B. Antigen-antibody reaction Which blood component has the shortest shelf life? A. Frozen plasma B. PRBCs C. Platelets D. Cryoprecipitate C. Platelets Platelets are stored at which temperature? A. −20°C B. 1–6°C C. Room temperature with agitation D. 37°C C. Room temperature with agitation Which antigen system is most important after ABO in transfusion practice? A. Kell B. Rh C. Lewis D. Kidd B. Rh Which donor is considered universal for red cells? A. AB positive B. O negative C. A positive D. B negative B. O negative