2/20/26, 8:57 AM NAPT EXAM Questions and Answers (Verified Answers) Most Recent exam COMPLETE (2026) (Latest Update 2026) UPDATE!! Fl…
NAPT EXAM Questions and Answers (Verified
Answers) Most Recent exam COMPLETE (2026)
(Latest Update 2026) UPDATE!!
Save
Terms in this set (153)
What is the difference between Serum=the fluid portion of clotted blood,
serum and plasma? Plasma= fluid portion of unclotted blood
which contains all of its clotting factors.
(fibrinogen)
List tubes that have an anticoagulant Lavender, green, pink, royal blue with lavender
stripe, light blue, and gray
List tubes that do not have an Red, tiger top. gold, and royal blue with a red
anticoagulant stripe
What was the CLSI formerly called? NCCLS
What is the most common cause of Improper site preparation
BCX/ Blood Culture contamination?
Why is it important to follow the To prevent cross contamination
order of draw?
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, 2/20/26, 8:57 AM NAPT EXAM Questions and Answers (Verified Answers) Most Recent exam COMPLETE (2026) (Latest Update 2026) UPDATE!! Fl…
What is the additive in the light blue Sodium Citrate
top tube?
Why does the CLSI standard To prevent thromboplastin release or to clear the
mandate the phlebotomist draw a line of air
red top tube before a light blue even
thought the requisition form does
not call for it?
How many times should the light 3-4 times
blue tube be inverted?
Common tests for the light blue tube APTT,PT,PTT
T/F Light blue tubes are used to test False
diabetes.
What does the light blue tube yield? plasma
What is the additive in the red tube? none
What does the red tube yield? Serum
The red top tube is also known as Plain Vacuum tube
what ?
Which section of the lab processes Chemistry
the red top tube?
How many minutes does it take Within 30-60 minutes
blood to clot naturally with no
additives?
https://quizlet.com/1146215976/napt-exam-questions-and-answers-verified-answers-most-recent-exam-complete-2026-latest-update-2026-update-fla… 2/10
NAPT EXAM Questions and Answers (Verified
Answers) Most Recent exam COMPLETE (2026)
(Latest Update 2026) UPDATE!!
Save
Terms in this set (153)
What is the difference between Serum=the fluid portion of clotted blood,
serum and plasma? Plasma= fluid portion of unclotted blood
which contains all of its clotting factors.
(fibrinogen)
List tubes that have an anticoagulant Lavender, green, pink, royal blue with lavender
stripe, light blue, and gray
List tubes that do not have an Red, tiger top. gold, and royal blue with a red
anticoagulant stripe
What was the CLSI formerly called? NCCLS
What is the most common cause of Improper site preparation
BCX/ Blood Culture contamination?
Why is it important to follow the To prevent cross contamination
order of draw?
https://quizlet.com/1146215976/napt-exam-questions-and-answers-verified-answers-most-recent-exam-complete-2026-latest-update-2026-update-fla… 1/10
, 2/20/26, 8:57 AM NAPT EXAM Questions and Answers (Verified Answers) Most Recent exam COMPLETE (2026) (Latest Update 2026) UPDATE!! Fl…
What is the additive in the light blue Sodium Citrate
top tube?
Why does the CLSI standard To prevent thromboplastin release or to clear the
mandate the phlebotomist draw a line of air
red top tube before a light blue even
thought the requisition form does
not call for it?
How many times should the light 3-4 times
blue tube be inverted?
Common tests for the light blue tube APTT,PT,PTT
T/F Light blue tubes are used to test False
diabetes.
What does the light blue tube yield? plasma
What is the additive in the red tube? none
What does the red tube yield? Serum
The red top tube is also known as Plain Vacuum tube
what ?
Which section of the lab processes Chemistry
the red top tube?
How many minutes does it take Within 30-60 minutes
blood to clot naturally with no
additives?
https://quizlet.com/1146215976/napt-exam-questions-and-answers-verified-answers-most-recent-exam-complete-2026-latest-update-2026-update-fla… 2/10
