When should a phlebotomist perform external liquid controls for quality control on a CLIA-
waivered point of care test? - ANSWER When a new lot number or kit is opened
Total blood volume of infant weighing 3.3kg - ANSWER 240-330ml
When is capillary collection preferred over venipuncture? - ANSWER when veins are
inaccessible
What is a potential consequence for mislabeling blood bank specimen? - ANSWER fa-
tal transfusion reaction
If a patient has red spots, what is an appropriate action to take? - ANSWER Apply
pressure after collecting specimen
If a patient has an IV, where should the phlebotomist draw blood from? - ANSWER Be-
low the IV
According to the CLSI order of draw, which sample should be collected first? - AN-
SWER Blood cultures to prevent contamination
Which of the following test results are affected when povidone is used to clean the dermal
site? - ANSWER Potassium
What causes a hemolyzed specimen? - ANSWER Shaking tube vigorously
1
, Why does a specimen to need to be centrifuged? - ANSWER To separate the cells from
the serum
What is the next step after removing the needle from a patient's arm? - ANSWER En-
gage the safety cap on the needle
When collecting a blood sample, where should the blood be drawn from first? - AN-
SWER Median cubital space
When blood cultures are ordered, what materials should the phlebotomist bring? - AN-
SWER Aerobic/Anaerobic bottle
What should the phlebotomist obtain from a potential blood donor? - ANSWER Medi-
cal history
What is the position of the needle when performing a venipuncture? - ANSWER 30
degrees in the direction of the vein with the bevel facing up
The phlebotomist should use which of the following anticoaugulants when collecting for
PT/PTT - ANSWER Sodium citrate
What is the first action to take when a patient becomes unresponsive during a blood draw? -
ANSWER Check for breathing
Why should you avoid blood draws from the foot or the leg with diabetic patients? - AN-
SWER More susceptible to infection
When preparing for a transport, what specimen must be in an ice bath within 30 mins. After
collection? - ANSWER Arterial blood gas
2
waivered point of care test? - ANSWER When a new lot number or kit is opened
Total blood volume of infant weighing 3.3kg - ANSWER 240-330ml
When is capillary collection preferred over venipuncture? - ANSWER when veins are
inaccessible
What is a potential consequence for mislabeling blood bank specimen? - ANSWER fa-
tal transfusion reaction
If a patient has red spots, what is an appropriate action to take? - ANSWER Apply
pressure after collecting specimen
If a patient has an IV, where should the phlebotomist draw blood from? - ANSWER Be-
low the IV
According to the CLSI order of draw, which sample should be collected first? - AN-
SWER Blood cultures to prevent contamination
Which of the following test results are affected when povidone is used to clean the dermal
site? - ANSWER Potassium
What causes a hemolyzed specimen? - ANSWER Shaking tube vigorously
1
, Why does a specimen to need to be centrifuged? - ANSWER To separate the cells from
the serum
What is the next step after removing the needle from a patient's arm? - ANSWER En-
gage the safety cap on the needle
When collecting a blood sample, where should the blood be drawn from first? - AN-
SWER Median cubital space
When blood cultures are ordered, what materials should the phlebotomist bring? - AN-
SWER Aerobic/Anaerobic bottle
What should the phlebotomist obtain from a potential blood donor? - ANSWER Medi-
cal history
What is the position of the needle when performing a venipuncture? - ANSWER 30
degrees in the direction of the vein with the bevel facing up
The phlebotomist should use which of the following anticoaugulants when collecting for
PT/PTT - ANSWER Sodium citrate
What is the first action to take when a patient becomes unresponsive during a blood draw? -
ANSWER Check for breathing
Why should you avoid blood draws from the foot or the leg with diabetic patients? - AN-
SWER More susceptible to infection
When preparing for a transport, what specimen must be in an ice bath within 30 mins. After
collection? - ANSWER Arterial blood gas
2
