NWCA PHLEBOTOMY TECHNICIAN
CREDENTIAL EXAM
Which of the following veins is most commonly used for venipuncture? - Correct
Answers -A. Median Cubital
___________ additive is found in a royal blue-topped blood collection tube while a
yellow-topped blood collection tube has ____________ additive. - Correct Answers -A.
Clot activator; sodium polyanetholesulfonate
The ______ is most appropriate for blood bank collections while the ______ is most
appropriate for the collection of blood for a DIFF. - Correct Answers -D. Pink-topped
tube; purple-topped tube
When using the syringe method to collect a blood specimen, how is the blood added
into additive and non-additive tubes? - Correct Answers -D. Using a syringe transfer
device attached to the syringe, insert each tube into the device and allow the blood to
flow freely.
What is the average skin puncture depth appropriate for an adult during a blood
collection? - Correct Answers -B. 2-3 mm
When a patient has "difficult" veins, what strategies, if any, can be used to improve the
likelihood of a successful puncture? - Correct Answers -D. All of the above
During the venipuncture procedure, what should the phlebotomist do after the needle is
inserted and blood begins to flow? - Correct Answers -C. Release the tourniquet about
half-way through the procedure
Steps in the identification process for phlebotomy procedure for a patient should include
_____________. - Correct Answers -C. A 3-way match with verbal, ID bracelet, and
request information
Assays that require a chilled specimen include:___________________. - Correct
Answers -D. Gastrin, ammonia, catecholamine, and lactic acid
"CSF" is a specimen originating from _____________________. - Correct Answers -D.
The spinal column
What is a commonly used intravenous device that is sometimes used in the collection of
blood from patients who are difficult to collect by conventional methods? - Correct
Answers -C. Butterfly needle or winged infused set
CREDENTIAL EXAM
Which of the following veins is most commonly used for venipuncture? - Correct
Answers -A. Median Cubital
___________ additive is found in a royal blue-topped blood collection tube while a
yellow-topped blood collection tube has ____________ additive. - Correct Answers -A.
Clot activator; sodium polyanetholesulfonate
The ______ is most appropriate for blood bank collections while the ______ is most
appropriate for the collection of blood for a DIFF. - Correct Answers -D. Pink-topped
tube; purple-topped tube
When using the syringe method to collect a blood specimen, how is the blood added
into additive and non-additive tubes? - Correct Answers -D. Using a syringe transfer
device attached to the syringe, insert each tube into the device and allow the blood to
flow freely.
What is the average skin puncture depth appropriate for an adult during a blood
collection? - Correct Answers -B. 2-3 mm
When a patient has "difficult" veins, what strategies, if any, can be used to improve the
likelihood of a successful puncture? - Correct Answers -D. All of the above
During the venipuncture procedure, what should the phlebotomist do after the needle is
inserted and blood begins to flow? - Correct Answers -C. Release the tourniquet about
half-way through the procedure
Steps in the identification process for phlebotomy procedure for a patient should include
_____________. - Correct Answers -C. A 3-way match with verbal, ID bracelet, and
request information
Assays that require a chilled specimen include:___________________. - Correct
Answers -D. Gastrin, ammonia, catecholamine, and lactic acid
"CSF" is a specimen originating from _____________________. - Correct Answers -D.
The spinal column
What is a commonly used intravenous device that is sometimes used in the collection of
blood from patients who are difficult to collect by conventional methods? - Correct
Answers -C. Butterfly needle or winged infused set
