Which of the following should the phlebotomist do when collecting blood via finger stick?
a. Position the lancet across the fingerprint lines.
b. Wipe off any remaining alcohol from the finger before insertion.
c. Disinfect the patient's finger with povidone-iodine.
d. Milk the finger during the blood collection. - correct answersa
A physician orders a CBC and glucose tolerance test. Which of the following is the correct tube selection
and order of draw?
a. red, lavender
b. lavender, gray
c. green, lavender
d. lavender, yellow - correct answersb
A phlebotomist has received a requisition to draw a bilirubin on an infant with jaundice. The
phlebotomist should...
a. protect the specimens from light
b. invert the specimen immediately
c. transport the specimen on ice
d. draw a waste tube - correct answersa
Gray-topped sodium fluoride tubes should not be used to collect alanine aminotransferase (ALT) or
aspartate aminotransferase (AST) because the anticoagulant...
a. destroys many enzymes
b. increases lipemia
c. prevents hemoconcentration
d. causes hemolysis - correct answersa
,Which of the following actions should the phlebotomist take when disposing of a needle following a
venipuncture?
a. recap the needle and place it immediately in a sharp container
b. push the needle guard over the needle until it clicks and then place in a biohazard bag
c. place the needle with safety device activated immediately in a sharps container
d. recap the needle and place it on the blood collection tray - correct answersc
The phlebotomist applies the tourniquet, but then has trouble relocating the vein several minutes of
palpation. Which of the following is an expected outcome in these test results?
a. falsely elevated K levels from tissue damage
b. fibrinolysis from hemodilution
c. falsely decreased iron levels from hemolysis
d. falsely increased platelets from clotting - correct answersa
Forceful shaking of blood in an evacuated collection tube will cause which of the following
complications?
a. hemostasis
b. hemoconcentration
c. hemolysis
d. contamination - correct answersc
Instead of obtaining consent from a patient who is mentally competent, the phlebotomist obtains from
a family member. This is a violation of...
a. HIPAA
b. The Patient's Bill of Rights
c. CLIA Waived Testing
d. The Stark Law - correct answersb
The physician has ordered a prothrombin time (PT) and complete blood count (CBC) for an adult patient
with a diagnosis of thrombophlebitis. The phlebotomist should collect the evacuated tubes in which of
the following orders?
,a. lavender, light blue
b. light blue, red
c. light blue, lavender
d. red, light blue - correct answersc
If a patient has measles, which of the following is a required additional precaution?
a. surgical mask
b. N95 respirator
c. fluid resistant apron
d. double gloves - correct answersb
Which of the following specimens require the phlebotomist to follow chain-of-custody documentation
procedures? (two answers)
a. neonatal screening
b. blood alcohol
c. therapeutic drug monitoring
d. drug testing
e. maternal screening - correct answersb, d
For which of the following patients is the use of an adhesive bandage contraindicated?
a. adult with hemophilia
b. immunocompromised child
c. adolescent with sickle cell anemia
d. newborn with hyperbilirubinemia - correct answersd
When performing venipuncture on a patient with a left mastectomy, which of the following sites should
the phlebotomist use?
a. back of left hand
b. right antecubital fossa
, c. right saphenous vein
d. left basilica vein - correct answersb
The phlebotomist has collected an ammonia level. Which of the following should be done regarding
transport of the specimen?
a. maintain the specimen at room temperature
b. wrap the specimen in a heel warmer to slow the metabolic process
c. wrap the specimen in foil to protect from light
d. immerse the specimen in an ice and water slurry - correct answersd
When a phlebotomist enters a patient's room to collect a STAT blood sample, a sign above the bed
states that all collections should be from the patient's central port. Which of the following should the
phlebotomist do next?
a. proceed with sample. collection from the central port and alert the nurse when finished
b. communicate the test order to the nursing staff and wait for one of them to collect the sample
c. identify the patient and ask for confirmation that the sign is accurate before proceeding with the
collection
d. exit the patient's room and proceed directly to the next patient on the collection list - correct
answersb
While performing a capillary stick on a six-month-old infant's heel, the lancet should be no longer than...
a. 2.0mm
b. 2.0cm
c. 3.0cm
d. 3.0mm - correct answersa
For which of the following tubes must the phlebotomist prep the site with povidone iodine or
chlorhexidine?
a. a lavender tube with EDTA
b. a light blue tube with sodium citrate
c. a yellow tube with ACD