NHCO AUTHORITATIVE EXAMINATION
STUDY GUIDE 2026 DETAILED QUESTIONS
WITH EXPERTLY ORGANIZED ACCURATE
ANSWERS ALREADY GRADED A+
⩥Discard tube. Answer: a tube that will not be tested, drawn to ensure
additives from one tube do not carry over to the next.
⩥What is the best indication the patient might be at risk of Syncope?.
Answer: Paleness and sweating
⩥What needle size is not used for lab assays but collection of donor
units?. Answer: 18-gauge
⩥Pink tube. Answer: EDTA (potassium ethylenediamineteraacetic)
⩥Recommend allowance of totals blood drawn from a patient in
24hours?. Answer: 1%- 5%
⩥ICD-10. Answer: international classification of diseases
⩥Lavender Tube. Answer: Contains EDTA. Used in Hematology & tests
CBC, WBC, RBC, Platelet counts, any blood counts
, Invert 8-10 times
⩥A microorganism that causes disease. Answer: pathogenic
⩥Veins that can be used. Answer: Cephalic vein, median cubical vein,
basilic vein.
⩥What additive is in red and grey speckled tube also known as SST or
gold top?. Answer: Thixotropic gel for serum separation
⩥serum is the liquid portion of______ blood?. Answer: Coagulated
⩥Hemolyzation. Answer: When blood cells are ruptured or broken and
destroyed. Can be from shaking blood collection tubes or using too
small of a needle
⩥petechiae. Answer: a small red or purple spot caused by bleeding into
the skin.
⩥What is the liquid portion of anticoagulatend blood?. Answer: Plasma
⩥What three additives are all used to prevent coagulation?. Answer:
EDTA, Sodium citrate, and heparin
STUDY GUIDE 2026 DETAILED QUESTIONS
WITH EXPERTLY ORGANIZED ACCURATE
ANSWERS ALREADY GRADED A+
⩥Discard tube. Answer: a tube that will not be tested, drawn to ensure
additives from one tube do not carry over to the next.
⩥What is the best indication the patient might be at risk of Syncope?.
Answer: Paleness and sweating
⩥What needle size is not used for lab assays but collection of donor
units?. Answer: 18-gauge
⩥Pink tube. Answer: EDTA (potassium ethylenediamineteraacetic)
⩥Recommend allowance of totals blood drawn from a patient in
24hours?. Answer: 1%- 5%
⩥ICD-10. Answer: international classification of diseases
⩥Lavender Tube. Answer: Contains EDTA. Used in Hematology & tests
CBC, WBC, RBC, Platelet counts, any blood counts
, Invert 8-10 times
⩥A microorganism that causes disease. Answer: pathogenic
⩥Veins that can be used. Answer: Cephalic vein, median cubical vein,
basilic vein.
⩥What additive is in red and grey speckled tube also known as SST or
gold top?. Answer: Thixotropic gel for serum separation
⩥serum is the liquid portion of______ blood?. Answer: Coagulated
⩥Hemolyzation. Answer: When blood cells are ruptured or broken and
destroyed. Can be from shaking blood collection tubes or using too
small of a needle
⩥petechiae. Answer: a small red or purple spot caused by bleeding into
the skin.
⩥What is the liquid portion of anticoagulatend blood?. Answer: Plasma
⩥What three additives are all used to prevent coagulation?. Answer:
EDTA, Sodium citrate, and heparin
