OHIO SCHOOL OF PHLEBOTOMY CORE EXAMS SET
2025/2026 ANSWERS AND QUESTIONS GRADED A+
✔✔Basophil - ✔✔A circulating leukocyte that produces histamine. Least number of
white blood cells.
✔✔formed elements - ✔✔Individual cells in the blood
✔✔FDA (Food and Drug Administration) - ✔✔Research
✔✔The nucleus of leukocytes: - ✔✔Regulates cell growth and size
✔✔pH of blood - ✔✔7.4; more basic than water
✔✔Yellow top tube - ✔✔Blood cultures. Inversion: 8-10
✔✔Light Blue Tube - ✔✔Sodium Citrate, PT & PTT/INR. Inversion: 3-4
✔✔Red top tube - ✔✔serum tube. 5-6
✔✔Orange top tube - ✔✔thrombin. 5-6
✔✔Gold top tube - ✔✔Chem-7. 5-6
✔✔Green top tube - ✔✔STAT Chemistry tests, contains heparin
✔✔Lavender Tube - ✔✔Contains EDTA. Used in Hematology & tests CBC, WBC, RBC,
Platelet counts, any blood counts. 8-10
✔✔Gray top tube - ✔✔Testing blood glucose, contains potassium oxalate. 8-10
✔✔Fomite - ✔✔Inanimate object that has been contaminated
✔✔HIPAA - ✔✔Health Insurance Portability and Accountability Act
✔✔Reticulocyte - ✔✔immature erythrocyte
✔✔Leukocytes - ✔✔white blood cells, fight infection
✔✔Neutrophils - ✔✔A type of white blood cell that engulfs invading microbes and
contributes to the nonspecific defenses of the body against disease.
2025/2026 ANSWERS AND QUESTIONS GRADED A+
✔✔Basophil - ✔✔A circulating leukocyte that produces histamine. Least number of
white blood cells.
✔✔formed elements - ✔✔Individual cells in the blood
✔✔FDA (Food and Drug Administration) - ✔✔Research
✔✔The nucleus of leukocytes: - ✔✔Regulates cell growth and size
✔✔pH of blood - ✔✔7.4; more basic than water
✔✔Yellow top tube - ✔✔Blood cultures. Inversion: 8-10
✔✔Light Blue Tube - ✔✔Sodium Citrate, PT & PTT/INR. Inversion: 3-4
✔✔Red top tube - ✔✔serum tube. 5-6
✔✔Orange top tube - ✔✔thrombin. 5-6
✔✔Gold top tube - ✔✔Chem-7. 5-6
✔✔Green top tube - ✔✔STAT Chemistry tests, contains heparin
✔✔Lavender Tube - ✔✔Contains EDTA. Used in Hematology & tests CBC, WBC, RBC,
Platelet counts, any blood counts. 8-10
✔✔Gray top tube - ✔✔Testing blood glucose, contains potassium oxalate. 8-10
✔✔Fomite - ✔✔Inanimate object that has been contaminated
✔✔HIPAA - ✔✔Health Insurance Portability and Accountability Act
✔✔Reticulocyte - ✔✔immature erythrocyte
✔✔Leukocytes - ✔✔white blood cells, fight infection
✔✔Neutrophils - ✔✔A type of white blood cell that engulfs invading microbes and
contributes to the nonspecific defenses of the body against disease.