OHIO SCHOOL OF PHLEBOTOMY EVALUATION EXAMS
2025/2026 ANSWERS AND QUESTIONS GRADED A+
✔✔Green Tiger - ✔✔Additive: Lithium Heparin; separation gel
Type: Anticoagulant separator tube
Used for: Obtaining plasma
✔✔Lavendar - ✔✔Additive: KEDTA
Type: Anti coagulant
Used for: Hematology Testing
Notes: Partially filled tubes damage cells
Common Tests: CBC, WBC, Platelet count, RBC
✔✔Light Blue - ✔✔Additive: Sodium Citrate
Type: Reversible anticoagulant
Used for: coagulation testing, plasma
Notes: Protects all procoagulants, partially filled tube damages cells
Common tests: PT, PTT, PT/INR
✔✔Yellow - ✔✔Additive: Sodium polyanethol sulfonate
Type: Anticoagulant, Preservative
Used for: blood cultures
✔✔White: - ✔✔Additive: KEDTA, separation gel
Type: anticoagulant
Used for: molecular diagnostics
Notes: Plasma based testing performed on proteins
✔✔Pink - ✔✔Additive: KEDTA
Type: Anticoagulant
Used for: Immunohematology
Notes: Used in blood typing
✔✔Gray - ✔✔Additive: Fluoride
Type: Anticoagulant
Used For: Plasma glucose testing
✔✔Plasma - ✔✔The water like portion of your blood that carries many vital components
including glucose, fats, metabolic waste, and even antibodies. Roughly 40% of
laboratory tests are performed on the plasma portion of a blood specimen
✔✔Serum - ✔✔Plasma with fibrin removed, nearly 60% of testing is done on serum
✔✔Erythrocytes - ✔✔Made up of hemoglobin contained in a membrane, biconcave
flexible discs that do not contain a nucleus
2025/2026 ANSWERS AND QUESTIONS GRADED A+
✔✔Green Tiger - ✔✔Additive: Lithium Heparin; separation gel
Type: Anticoagulant separator tube
Used for: Obtaining plasma
✔✔Lavendar - ✔✔Additive: KEDTA
Type: Anti coagulant
Used for: Hematology Testing
Notes: Partially filled tubes damage cells
Common Tests: CBC, WBC, Platelet count, RBC
✔✔Light Blue - ✔✔Additive: Sodium Citrate
Type: Reversible anticoagulant
Used for: coagulation testing, plasma
Notes: Protects all procoagulants, partially filled tube damages cells
Common tests: PT, PTT, PT/INR
✔✔Yellow - ✔✔Additive: Sodium polyanethol sulfonate
Type: Anticoagulant, Preservative
Used for: blood cultures
✔✔White: - ✔✔Additive: KEDTA, separation gel
Type: anticoagulant
Used for: molecular diagnostics
Notes: Plasma based testing performed on proteins
✔✔Pink - ✔✔Additive: KEDTA
Type: Anticoagulant
Used for: Immunohematology
Notes: Used in blood typing
✔✔Gray - ✔✔Additive: Fluoride
Type: Anticoagulant
Used For: Plasma glucose testing
✔✔Plasma - ✔✔The water like portion of your blood that carries many vital components
including glucose, fats, metabolic waste, and even antibodies. Roughly 40% of
laboratory tests are performed on the plasma portion of a blood specimen
✔✔Serum - ✔✔Plasma with fibrin removed, nearly 60% of testing is done on serum
✔✔Erythrocytes - ✔✔Made up of hemoglobin contained in a membrane, biconcave
flexible discs that do not contain a nucleus