NHA CPT PRACTICE TEST QUESTIONS AND CORRECT ANSWERS 2026/2027

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NHA CPT PRACTICE TEST QUESTIONS AND CORRECT ANSWERS 2026/2027

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17 pages

2026/2027

Institution CPT - Certified Phlebotomy Technician

Module CPT - Certified Phlebotomy Technician

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This NHA Certified Phlebotomy Technician (CPT) practice test contains questions and correct answers designed to support preparation for the 2026/2027 certification examination. It covers key topics such as phlebotomy procedures, specimen collection, patient safety, infection control, anatomy and physiology, laboratory practices, and professional responsibilities.

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NHA CPT PRACTICE TEST QUESTIONS
AND CORRECT ANSWERS 2026/2027
1st in order oḟ draw - ANSWER-Yellow Tubes

Which tube is sterile? - ANSWER-Yellow Topped Tubes

Additive ḟor Yellow Tubes - ANSWER-SPS, ACD

Common Test ḟor Yellow Tubes - ANSWER-Blood Cultures

Department: Yellow Tubes - ANSWER-Microbiology

Inversion: Yellow Tubes - ANSWER-8-10 times

Specimen: Yellow Tubes - ANSWER-Whole Blood

2nd in order oḟ draw - ANSWER-Light Blue Tubes

Additive: Light Blue Tubes - ANSWER-Sodium Citrate

Common Test: Light Blue Tubes - ANSWER-PT, APTT, Coagulation Studies

Department: Light Blue Tubes - ANSWER-Coagulation Studies

Inversion: Light Blue Tubes - ANSWER-3-4 times

Specimen: Light Blue Tubes - ANSWER-Plasma

3rd in order oḟ draw - ANSWER-Red Tubes

Additive: Red Tubes - ANSWER-None

Common Test: Red Tubes - ANSWER-Immunology, Serology, Blood Bank

Department: Red Tubes - ANSWER-Chemistry

Inversion: Red Tubes - ANSWER-5 times

Specimen: Red Tubes - ANSWER-Serum

4th in order oḟ draw - ANSWER-Tiger (speckled) Topped Tubes

Additive: Tiger (speckled) Topped Tubes - ANSWER-Clot Activator

,Test: Tiger (speckled) Topped Tubes - ANSWER-CMP, Endocrine, Immunology,
Serology

Department: Tiger (speckled) Topped Tubes - ANSWER-Chemistry

Inversion: Tiger (speckled) Topped Tubes - ANSWER-5 times

Specimen: Tiger (speckled) Topped Tubes - ANSWER-Serum

5th in order oḟ draw - ANSWER-Gold Tubes

Additive: Gold Tubes - ANSWER-Thrombin (Causes blood to clot in <5 minutes)

Common Test: Gold Tubes - ANSWER-STAT

Department: Gold Tubes - ANSWER-Chemistry

Inversion: Gold Tubes - ANSWER-5-6 times

Specimen: Gold Tubes - ANSWER-Serum

6th in order oḟ draw - ANSWER-Green Tubes

Additive: Green Tubes - ANSWER-Heparin

Common Test: Green Tubes - ANSWER-STAT Chemistry Test, Ammonia Electrolytes,
ABGs

Department: Green Tubes - ANSWER-Chemistry or Molecular Lab

Inversion: Green Tubes - ANSWER-8-10 Times

Specimen: Green Tubes - ANSWER-Plasma

7th in order oḟ draw - ANSWER-Lavender/Purple Tubes

Additive: Lavender Tubes - ANSWER-EDTA

Common Test: Lavender Tubes - ANSWER-CBC, ESR, Hemaglobin

Department: Lavender Tubes - ANSWER-Hematology

Inversion: Lavender Tubes - ANSWER-8-10 times

Specimen: Lavender Tubes - ANSWER-Whole Blood

, 8th in order oḟ draw - ANSWER-Gray Tubes

Additive: Gray Tubes - ANSWER-Sodium Ḟluoride and Potassium Oxalate

Common Test: Gray Tubes - ANSWER-Lactic Acid, Blood Alcohol Levels, ḞBS,
Glucose Tolerance

Department: Gray Tubes - ANSWER-Chemistry

Inversion: Grey Tubes - ANSWER-8-10 times

Specimen: Grey Tubes - ANSWER-Plasma

Additive: Tan Tubes - ANSWER-K2, EDTA

Test: Tan Tubes - ANSWER-Lead

Department: Tan Tubes - ANSWER-Chemistry

Inversion: Tan Tubes - ANSWER-Chemistry

Specimen: Tan Tubes - ANSWER-Plasma

Additive: Royal Blue - ANSWER-Heparin, EDTA, None

Common Test: Royal Blue - ANSWER-Toxiology, Trace Metal

Department: Royal Blue - ANSWER-Chemistry

Inversion: Royal Blue - ANSWER-8-10 Times

Specimen: Royal Blue - ANSWER-Plasma or Serum

Additive: Black Tube - ANSWER-Sodium Citrate

Common Test: Black Tubes - ANSWER-ESR

Department: Black Tubes - ANSWER-Chemistry

Inversion: Black Tubes - ANSWER-8-10 times

Specimen: Black Tubes - ANSWER-Whole Blood

1st vein oḟ choice - ANSWER-Median Cubital

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Uploaded on: September 4, 2026
Number of pages: 17
Written in: 2026/2027
Type: Exam (elaborations)
Contains: Questions & answers

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