Phlebotomy NHA Certification Questions and Answers
heel sticks are performed on which patients?
infants less than 1 year old
Order of Draw for Capillary Specimens
After blood gases
1.) Lavender tube
2.) Tubes with other additives
3.) Tubes WITHOUT additives
Which are the preferred sites for dermal punctures
the distal segment of the third or fourth finger of the non-dominant hand
What are the common tests for lavender EDTA tube
CBC, CBC with differential, ESR, sickle cell screening
What are the additives in green top tube?
heparin, sodium, lithium
What actions should the phlebotomist take to verify the quality of venipuncture supplies before beginning a blood draw?
inspect the integrity of the seal of the needle, ensure that there are no tears or opening of the packaged supplies
A phlebotomist receives orders to draw an infant screening card, O2 levels, bilirubin and DNA, which one should be drawn first
oxygen
what needle size is the most appropriate for a subcutaneous injection?
25g
If a patient has an IV, where do you draw the blood from
In the other arm, unless that is not an option, in that case you would draw it downstream from the IV
What is the preferred site for veinpuncture?
Median Antecubital
What is the correct order of draw
blood culture, light blue, red, green, lavender, gray yellow, dark blue
What additive does the light blue tube contain?
sodium citrate
What additive does the gray tube contain?
Sodium fluoride/potassium oxalate
What is the maximum depth a lancet should be for an infant?
2mm
A patient suddenly becomes pale and short of breath, what are they experiencing and then lose consciousness?
syncope
What is the order of draw for the tubes for these tests: WBC, PTT and blood glucose?
light blue, lavender and gray
What is the first step a medical assistant should take before performing a capillary puncture?
Identify the patient
What special handling must be applied to a bilirubin specimen
The specimen must be chilled
Which non-blood specimen is light sensitive?
Sputum specimen
What method of collection for a urine culture and sensitivity test?
midstream, clean-catch
Why doe we draw blood in a particular order?
To avoid cross contamination
What blood specimen should be put in an ice bath within 30 minutes after drawing?
arterial blood gas
If someone is allergic to alcohol, what should you use to clean the site?
chlorhexidine
How often do you wash your hands with soap and water?
after every 3rd use of hand sanitizer
How do you identify your patient
ask them to state their name (first and last) and date of birth
How long should you leave a tourniquet on?
no longer than 1 minute
where should you draw blood from a 6 month old infant?
heel
What solution should you use to clean blood from the counter?
1:10 dilution of bleach and water
When you walk into a patient's room and they are asleep, what should you do?
Wake them before drawing the blood
Where do you place the tourniquet
3-4 inches above the puncture site
If the tourniquet is on too long, what may occur?
hemoconcentration, hemolysis, petechiae
How long do you apply pressure on the site after a blood draw, especially if they are on blood thinners?
up to 2 minutes
What is the blood composed of?
red blood cells(erythrocytes), white blood cells (leukocytes), platelets ( thrombocytes), plasma
What are the 3 types of blood specimens that are used for analysis of the blood?
Whole blood, serum, plasma
What goes on the tube after a draw, while still in front of the patient?
patient's name, id number, date and time of draw along with your initials
What is EDTA's function?
preserves blood cell integrity, prevents platelet clumping, but interferes with coagulation studies
A phlebotomist is preparing to process a WBC differential test, testosterone test and a glucose test. What action should the technician take to process the tests?
lavender, red top and gray top
A phlebotomy technician is screening potential blood donors. A patient who is able to donate blood should be how many pounds?
110 pounds
For fingerstick, tell child it will be a ___
pinch, do not lie to the child and say it won't hurt
The phlebotomy technician has collected a neonatal screening. Which of the following methods should a technician take to ensure that the card has dried?
Place the card on a a flat, dry surface.
A phlebotomy technician is doing a capillary blood draw from an infant who weighs 3 kg (6.6 lbs). The technician should identify that which volume is the total volume for this infant?
240-330 mL- multiply the weight of the infant in kg x 100 and changing the units to mL
A phlebotomist is caring for a 3 year old patient who weights 15.9 kg (35 lbs) . The technician should identify that which volume is appropriate for a 1 month period for the patient?
79.5 mL. only draw 10% of total blood volume over 8 week period, which means 5% at 4 weeks. Patients total volume is 15.9 x 100 = 1590; 5% of 1590= 79.5
A phlebotomy technician is performing two sets of blood cultures for a patient. Which action should the technician take?
Collect one set from the patient's left arm and the other from the same arm in a different region.
A phlebotomy technician is accessing the laboratory information system prior to collecting a specimen. What action should the technician take?
print the specimen label
A phlebotomy technician working in a lab has received 6 filled, evacuated tubes, one of which has no label on it. Which action should the technician take?
Recollect the unlabeled specimen
A phlebotomy technician is performing a blood glucose test, reading it as 46 mg/dL. What finding should the technician expect in regards to the patient's condition?
Rapid heart rate
What is sodium citrate's function?
used for coagulation studies
What is SPS function?
used for blood culture because it inhibits certain immune system components that could destroy blood-borne bacteria
What do you check for an inpatient when identifying the patient
First and last name
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Phlebotomy NHA Certification
Questions and Answers
Heel sticks are performed on which patients? – answer infants less than 1 year old
Order of Draw for Capillary Specimens – answer After blood gases
1.) Lavender tube
2.) Tubes with other additives
3.) Tubes WITHOUT additives
Which are the preferred sites for dermal punctures – answer the distal segment of the
third or fourth finger of the non-dominant hand
What are the common tests for lavender EDTA tube – answer CBC, CBC with
differential, ESR, sickle cell screening
What are the additives in green top tube? – answer heparin, sodium, lithium
What actions should the phlebotomist take to verify the quality of venipuncture supplies
before beginning a blood draw? – answer inspect the integrity of the seal of the needle,
ensure that there are no tears or opening of the packaged supplies
A phlebotomist receives orders to draw an infant screening card, O2 levels, bilirubin and
DNA, which one should be drawn first - answeroxygen
what needle size is the most appropriate for a subcutaneous injection? - answer25g
If a patient has an IV, where do you draw the blood from - answerIn the other arm,
unless that is not an option, in that case you would draw it downstream from the IV
What is the preferred site for veinpuncture? - answerMedian Antecubital
What is the correct order of draw - answerblood culture, light blue, red, green, lavender,
gray yellow, dark blue
What additive does the light blue tube contain? - answersodium citrate
What additive does the gray tube contain? - answerSodium fluoride/potassium oxalate
What is the maximum depth a lancet should be for an infant? - answer2mm
A patient suddenly becomes pale and short of breath, what are they experiencing and
then lose consciousness? - answersyncope