Phlebotomy Certification Exam
Questions with 100% Correct Answers
Coagulation tubes have which color stopper? Correct Answer: light blue
Hematology tubes have which color stopper? Correct Answer: purple/lavender
Serum tubes have which color stopper? Correct Answer: red/tiger top/gold
A health care-acquired infections are called? Correct Answer: Nosocomial
infections
A inherited condition that is caused by the body's inability to metabolize
phenylalanine (protein) is called: Correct Answer: PKU
A lavender stoppered evacuated tube must be redrawn because of clots in the
tube. What collection error causes this? Correct Answer: insufficient mixing of
additive with specimen
A patient has undergone a left radical mastectomy. What site can not be used
for venipuncture until the patient's physician is consulted? Correct Answer: left
arm
A patient suffers a transfusion reaction. What may this condition cause in the
patient's specimen? Correct Answer: hemolysis
A phlebotomist is to collect a specimen for an APTT and prothrombin time from
a patient. According to the NCCLS guidelines, what tube stopper color should
the phlebotomist collect FIRST? Correct Answer: red
A phlebotomist enters a patient's room at 5:30 am, but the patient is asleep. The
phlebotomist should: Correct Answer: gently wake the patient and proceed
,A phlebotomist is about to collect a blood specimen from a patient in ICU, but
the patient is unconscious. The phlebotomist should: Correct Answer: proceed
as though the patient were conscious
After performing a routine venipuncture, the phlebotomist noticed that the
blood in the evacuated tube was bright cherry red. What vessel did the
phlebotomist puncture? Correct Answer: artery
After puncturing a finger during a skin puncture procedure, what is the next
step? Correct Answer: Wipe away the first drop with gauze.
Agranulocytes that function in antibody production are called: Correct Answer:
lymphocytes
An evacuated tube contains clot activator and serum separator gel. What
color is the Hemogard TM closure? Correct Answer: gold
An example of a specimen that requires protection from light is: Correct Answer:
Billirubin, beta-carotene and porphyrins.
Anti diuretic hormone (ADH) requires which of the following blood collection
tubes for proper test results? Correct Answer: purple
At least how long should a warmer be applied to a skin puncture site prior to
making a skin puncture? Correct Answer: 3 minutes
Before starting a bleeding time test, the phlebotomist should: Correct Answer:
ask the patient if he or she has taken any medications
Bleeding time is used to access what? Correct Answer: platelet function, blood
vessel integrity
Bleeding time procedures are usually ordered: Correct Answer: pre-surgically
, Blood collection for neonatal screening to detect metabolic and genetic
abnormalities usually occurs: Correct Answer: by collecting from the lateral
plantar surface of the heel.
Blood enters the right side of the heart from what blood vessel? Correct Answer:
superior vena cava
Blood enters the left side of the heart from what blood vessel? Correct Answer:
pulmonary vein
Blood exits the heart from the left ventricle through what valve? Correct Answer:
aortic
Blood exits the heart from the right atrium through what valve? Correct Answer:
tricuspid valve
Blood from a routine venipuncture should have what color? Correct Answer:
dark red
Circulating blood cells normally include which of the following: Correct Answer:
RBCs, WBCs, platelets.
Deoxygenated blood is found in which blood vessels? Correct Answer: veins
Describe what a phlebotomist should do when using a winged infusion
(butterfly) system to collect blood for a single coagulation test? Correct Answer:
The phlebotomist should collect at least one other tube (and discard) prior to
collecting a sodium citrate tube.
Drawing blood through a hematoma may cause what to a patient's specimen?
Correct Answer: hemolysis
During a venipuncture procedure, patients are often asked to make a fist. When
should the fist be released? Correct Answer: after the blood begins to flow
Questions with 100% Correct Answers
Coagulation tubes have which color stopper? Correct Answer: light blue
Hematology tubes have which color stopper? Correct Answer: purple/lavender
Serum tubes have which color stopper? Correct Answer: red/tiger top/gold
A health care-acquired infections are called? Correct Answer: Nosocomial
infections
A inherited condition that is caused by the body's inability to metabolize
phenylalanine (protein) is called: Correct Answer: PKU
A lavender stoppered evacuated tube must be redrawn because of clots in the
tube. What collection error causes this? Correct Answer: insufficient mixing of
additive with specimen
A patient has undergone a left radical mastectomy. What site can not be used
for venipuncture until the patient's physician is consulted? Correct Answer: left
arm
A patient suffers a transfusion reaction. What may this condition cause in the
patient's specimen? Correct Answer: hemolysis
A phlebotomist is to collect a specimen for an APTT and prothrombin time from
a patient. According to the NCCLS guidelines, what tube stopper color should
the phlebotomist collect FIRST? Correct Answer: red
A phlebotomist enters a patient's room at 5:30 am, but the patient is asleep. The
phlebotomist should: Correct Answer: gently wake the patient and proceed
,A phlebotomist is about to collect a blood specimen from a patient in ICU, but
the patient is unconscious. The phlebotomist should: Correct Answer: proceed
as though the patient were conscious
After performing a routine venipuncture, the phlebotomist noticed that the
blood in the evacuated tube was bright cherry red. What vessel did the
phlebotomist puncture? Correct Answer: artery
After puncturing a finger during a skin puncture procedure, what is the next
step? Correct Answer: Wipe away the first drop with gauze.
Agranulocytes that function in antibody production are called: Correct Answer:
lymphocytes
An evacuated tube contains clot activator and serum separator gel. What
color is the Hemogard TM closure? Correct Answer: gold
An example of a specimen that requires protection from light is: Correct Answer:
Billirubin, beta-carotene and porphyrins.
Anti diuretic hormone (ADH) requires which of the following blood collection
tubes for proper test results? Correct Answer: purple
At least how long should a warmer be applied to a skin puncture site prior to
making a skin puncture? Correct Answer: 3 minutes
Before starting a bleeding time test, the phlebotomist should: Correct Answer:
ask the patient if he or she has taken any medications
Bleeding time is used to access what? Correct Answer: platelet function, blood
vessel integrity
Bleeding time procedures are usually ordered: Correct Answer: pre-surgically
, Blood collection for neonatal screening to detect metabolic and genetic
abnormalities usually occurs: Correct Answer: by collecting from the lateral
plantar surface of the heel.
Blood enters the right side of the heart from what blood vessel? Correct Answer:
superior vena cava
Blood enters the left side of the heart from what blood vessel? Correct Answer:
pulmonary vein
Blood exits the heart from the left ventricle through what valve? Correct Answer:
aortic
Blood exits the heart from the right atrium through what valve? Correct Answer:
tricuspid valve
Blood from a routine venipuncture should have what color? Correct Answer:
dark red
Circulating blood cells normally include which of the following: Correct Answer:
RBCs, WBCs, platelets.
Deoxygenated blood is found in which blood vessels? Correct Answer: veins
Describe what a phlebotomist should do when using a winged infusion
(butterfly) system to collect blood for a single coagulation test? Correct Answer:
The phlebotomist should collect at least one other tube (and discard) prior to
collecting a sodium citrate tube.
Drawing blood through a hematoma may cause what to a patient's specimen?
Correct Answer: hemolysis
During a venipuncture procedure, patients are often asked to make a fist. When
should the fist be released? Correct Answer: after the blood begins to flow
