NCCT PHLEBOTOMY LATEST EXAM QUESTIONS AND
ANSWERS
Which of the following additives protects serum from interacting with red blood
cells after a specimen has been centrifuged?
gel separators
Which of the following sites should the medical assistant use for newborn
screening blood collection?
plantar surface of the heel
The appropriate needle gauge to use for most venipuncture collections is
21
A 2 week old infant has been brought to the lab for a repeat PKU/neonatal
screening. Which of the following collection procedures is appropriate to collect
the specimens?
capillary using heel puncture lancet
Venipuncture on the foot is performed in which of the following locations?
dorsal pedis
Which patient description is correctly matched with the appropriate site
selection?
A 53-year old male with a central line has a specimen collected from the dorsal side of
the hand.
Which of the following items is more commonly found on a phlebotomy tray?
multi-sample needle
Which of the following arteries provides direct blood flow to the foot?
dorsalis pedis
Which of the following actions should the medical assistant take to make a vein
more prominent when attempting to select a venipuncture site?
Apply a warm compress to the area for 5 minutes.
The phlebotomist needs to draw routine labs. The skin preparation for this
procedure would be.
Cleanse the site by using a circular motion from center to periphery
When performing a skin puncture on an infant what is the preferred site?
, The plantar surface of the heel
When performing a CBC on a six year old, the parent insists upon using an
anesthetic at the venipuncture site. Which would be correct?
EMLA Cream (lidocaine 2.5% and prilocaine 2.5%) is an emulsion, with a mixture of
lidocaine and prilocaine.
The medical assistant is instructed to perform a capillary stick for newborn
screening. Which of the following collection devices should the medical assistant
use?
heel stick lancet
Which of the following actions is appropriate for the medical assistant to take if
an evacuated tube does not even begin to fill during a specimen draw?
try another evacuated tube prior to withdrawing from the vein
When performing venipuncture on a patient with a left mastectomy, which site
should the medical assistant use?
right antecubital fossa
After several minutes of searching the medical assistant can only palpate a small
vein. The patient is prepared and the venipuncture is performed. The blood is
filling the tube, but slows and then stops even though the patient and medical
assistant remained still. Which of the following actions should the medical
assistant take?
Use a smaller tube because the vein has collapsed.
The physician orders a sedimentation rate for a patient recovering from an
infection. This is indicated on the lab requisition as which of the following?
ESR-Erythrocyte Sedimentation Rate
Which of the following is a likely complication from repeated phlebotomy
procedures in the same area?
sclerosed veins
When a complete metabolic profile (CMP) and complete blood count (CBC) are
ordered at the same time, why should the CMP be drawn first?
Tubes without additives should be drawn before tubes with additives.
ANSWERS
Which of the following additives protects serum from interacting with red blood
cells after a specimen has been centrifuged?
gel separators
Which of the following sites should the medical assistant use for newborn
screening blood collection?
plantar surface of the heel
The appropriate needle gauge to use for most venipuncture collections is
21
A 2 week old infant has been brought to the lab for a repeat PKU/neonatal
screening. Which of the following collection procedures is appropriate to collect
the specimens?
capillary using heel puncture lancet
Venipuncture on the foot is performed in which of the following locations?
dorsal pedis
Which patient description is correctly matched with the appropriate site
selection?
A 53-year old male with a central line has a specimen collected from the dorsal side of
the hand.
Which of the following items is more commonly found on a phlebotomy tray?
multi-sample needle
Which of the following arteries provides direct blood flow to the foot?
dorsalis pedis
Which of the following actions should the medical assistant take to make a vein
more prominent when attempting to select a venipuncture site?
Apply a warm compress to the area for 5 minutes.
The phlebotomist needs to draw routine labs. The skin preparation for this
procedure would be.
Cleanse the site by using a circular motion from center to periphery
When performing a skin puncture on an infant what is the preferred site?
, The plantar surface of the heel
When performing a CBC on a six year old, the parent insists upon using an
anesthetic at the venipuncture site. Which would be correct?
EMLA Cream (lidocaine 2.5% and prilocaine 2.5%) is an emulsion, with a mixture of
lidocaine and prilocaine.
The medical assistant is instructed to perform a capillary stick for newborn
screening. Which of the following collection devices should the medical assistant
use?
heel stick lancet
Which of the following actions is appropriate for the medical assistant to take if
an evacuated tube does not even begin to fill during a specimen draw?
try another evacuated tube prior to withdrawing from the vein
When performing venipuncture on a patient with a left mastectomy, which site
should the medical assistant use?
right antecubital fossa
After several minutes of searching the medical assistant can only palpate a small
vein. The patient is prepared and the venipuncture is performed. The blood is
filling the tube, but slows and then stops even though the patient and medical
assistant remained still. Which of the following actions should the medical
assistant take?
Use a smaller tube because the vein has collapsed.
The physician orders a sedimentation rate for a patient recovering from an
infection. This is indicated on the lab requisition as which of the following?
ESR-Erythrocyte Sedimentation Rate
Which of the following is a likely complication from repeated phlebotomy
procedures in the same area?
sclerosed veins
When a complete metabolic profile (CMP) and complete blood count (CBC) are
ordered at the same time, why should the CMP be drawn first?
Tubes without additives should be drawn before tubes with additives.
