ASCP Board of Certification MLT Computer Adaptive Practice Test with Complete Solutions

Patients with antibody to the following antigen are immune to Hepatitis B: A: Core Antigen B: Surface antigen C: e antigen D: Delta antigen **This is a Level 4 Question** - ANSWER-B Which of the following organisms is BEST VISUALIZED by use of a darkfield microscope? A: Poxviridae B: Entamoeba C: Borrelia D: Streptococcus **This is a Level 5 Question** - ANSWER-C What is the MOST LIKELY cause of the ABO discrepancy when the following results were obtained from a first-time 29-year-old, blood donor? Forward: Anti-A = Negative; Anti-B = Negative Reverse: A1 cells = Negative; B cells = 3+ A: Loss of antigen due to disease B: Acquired B C: Low immunoglobulin levels D: Weak subgroup of A **This is a Level 4 Question** - ANSWER-D An aerobic Gram-Negative coccobacillus was isolated from a nasopharyngeal swab 48 hours after culture from a 6-month-old with the following culture characteristics on Bordet-Gengou agar: Small zone of Beta-hemolysis Urease: Positive (24hrs) Oxidase: Negative Motility: Negative The MOST probable ID of this isolate is: A: Pasteurella multocida B: Bordetella pertussis C: Bordetella parapertussis D: Bordetella bronchiseptica **This is a Level 8 Question** - ANSWER-C Disorders in which coarse basophilic stippling can be seen are in all of the following except? A: Polycythemia B: Thalassemia C: Disorders of abnormal heme synthesis D: Lead poisoning **This is a Level 5 Question** - ANSWER-A Which of the following statements concerning Tamm-Horsfall protein is FALSE? A: It is the protein that is predominantly detected by a urine reagent strip test B: Hyaline casts are formed by this protein in the distal tubule C: It acts as a coating & lubricant in the tubules D: It is produced by the tubules **This is a Level 4 Question** - ANSWER-A All the following are reasons for conducting compatibility testing EXCEPT: A: Prevent recipient alloimmunization B: Verify ABO & Rh C: Select proper blood products D: Detect antibodies against donor cells **This is a Level 6 Question** - ANSWER-A