NHA CPT Practice Test/Study Guide
Exam 2025 Questions and Answers
1st in order of draw - ANSWER✔✔-Yellow Tubes
Which tube is sterile? - ANSWER✔✔-Yellow Topped Tubes
Additive for Yellow Tubes - ANSWER✔✔-SPS, ACD
Common Test for 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 of 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
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
,Specimen: Light Blue Tubes - ANSWER✔✔-Plasma
3rd in order of 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 of 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 of draw - ANSWER✔✔-Gold Tubes
Additive: Gold Tubes - ANSWER✔✔-Thrombin (Causes blood to clot in <5 minutes)
Common Test: Gold Tubes - ANSWER✔✔-STAT
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, Department: Gold Tubes - ANSWER✔✔-Chemistry
Inversion: Gold Tubes - ANSWER✔✔-5-6 times
Specimen: Gold Tubes - ANSWER✔✔-Serum
6th in order of 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 of 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 of draw - ANSWER✔✔-Gray Tubes
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 3
Exam 2025 Questions and Answers
1st in order of draw - ANSWER✔✔-Yellow Tubes
Which tube is sterile? - ANSWER✔✔-Yellow Topped Tubes
Additive for Yellow Tubes - ANSWER✔✔-SPS, ACD
Common Test for 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 of 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
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
,Specimen: Light Blue Tubes - ANSWER✔✔-Plasma
3rd in order of 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 of 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 of draw - ANSWER✔✔-Gold Tubes
Additive: Gold Tubes - ANSWER✔✔-Thrombin (Causes blood to clot in <5 minutes)
Common Test: Gold Tubes - ANSWER✔✔-STAT
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
, Department: Gold Tubes - ANSWER✔✔-Chemistry
Inversion: Gold Tubes - ANSWER✔✔-5-6 times
Specimen: Gold Tubes - ANSWER✔✔-Serum
6th in order of 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 of 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 of draw - ANSWER✔✔-Gray Tubes
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 3
