VIP Exclusive
CLS Certified Laboratory Scientist VIP Practice Exam
CLS — The CLS (Clinical Laboratory Scientist) credential is issued by the American Society for Clinical Pathology (ASCP) Board of Certification as the MLS(ASCP) exam — 100 questions, 2.5 hours, computer-adaptive format, covering Hematology, Chemistry, Blood Banking, Microbiology, Immunology, Urinalysis/Body Fluids, and Molecular/Laboratory Operations.
30
Questions
150m
Time Limit
70.00%
To Pass
Question 1 of 30👑 VIP
A 45-year-old male presents with fatigue, pallor, and splenomegaly. His CBC shows: Hgb 7.2 g/dL, MCV 110 fL, WBC 4,800/µL, platelets 142,000/µL. The peripheral blood smear shows hypersegmented neutrophils and macro-ovalocytes. Serum vitamin B12 is markedly decreased. Which of the following additional laboratory findings would be MOST consistent with this clinical picture?
Questions 2–30 and full explanations are VIP-exclusive.