Phlebotomy Techniques and Safety Procedures
for Blood Collection Complete Exam Study
Questions with Verified Answers
1. What is phlebotomy? - ANSWER The practice of drawing blood for
medical testing.
2. Who is a phlebotomist? - ANSWER A trained professional who collects
blood samples.
3. Why should a phlebotomy technician centrifuge a serum specimen before
transport? - ANSWER Cells must be separated from the serum.
4. What must a phlebotomy technician do before leaving a patient's room? -
ANSWER Initial and mark the date and time on each tube drawn.
5. What color signifies a health hazard in the NFPA 704 Marking System? -
ANSWER Blue.
6. What type of respirator should a technician wear when collecting a specimen
from a patient on airborne precautions? - ANSWER N95 respirator.
7. Reason for using a biohazard bag - ANSWER The biohazard bag prevents a
possible exposure incident.
8. First blood draw patient actions - ANSWER Explain the reason the test was
ordered and describe the procedure to the patient.
,9. Action for critical glucose test result - ANSWER Report the result to the
patient's provider.
10.Information for quality control record - ANSWER Expiration date.
11.Emergency first aid treatment - ANSWER Includes maintaining an open
airway, controlling bleeding, and keeping the patient warm until help
arrives.
12.Fasting requirement before blood collection - ANSWER Inform the patient
not to consume food for 12 hours prior to blood collection.
13.Possible result of multiple specimens from premature infant - ANSWER
Iatrogenic anemia.
14.Timing for peak level blood draw after medication - ANSWER 30 minutes
after administration.
15.Procedure for newborn screening on filter paper - ANSWER Apply blood to
the printed side of the filter paper.
16.Action during patient seizure - ANSWER Discontinue the draw.
17.What happens if tubes are not inverted? - ANSWER Blood may clot or test
results may be incorrect.
, 18.What is the typical number of inversions for additive tubes? - ANSWER 5-
10 gentle inversions.
19.Why may veins collapse during venipuncture? - ANSWER Too much
vacuum or fragile veins.
20.When may a syringe method be used? - ANSWER For small or fragile
veins.
21.Why are butterfly needles used? - ANSWER For small, difficult, or
pediatric veins.
22.What happens if the vein is missed? - ANSWER No blood enters the tube.
23.What should be done if the vein is missed? - ANSWER Remove needle and
try another site.
24.Why is labeling specimens critical? - ANSWER Prevents patient
identification errors.
25.What information is required on specimen labels? - ANSWER Patient
name, date, time, and collector initials.
26.What should never be done with a needle? - ANSWER Recapping it.
27.Why should needles not be recapped? - ANSWER Risk of needlestick
injury.
for Blood Collection Complete Exam Study
Questions with Verified Answers
1. What is phlebotomy? - ANSWER The practice of drawing blood for
medical testing.
2. Who is a phlebotomist? - ANSWER A trained professional who collects
blood samples.
3. Why should a phlebotomy technician centrifuge a serum specimen before
transport? - ANSWER Cells must be separated from the serum.
4. What must a phlebotomy technician do before leaving a patient's room? -
ANSWER Initial and mark the date and time on each tube drawn.
5. What color signifies a health hazard in the NFPA 704 Marking System? -
ANSWER Blue.
6. What type of respirator should a technician wear when collecting a specimen
from a patient on airborne precautions? - ANSWER N95 respirator.
7. Reason for using a biohazard bag - ANSWER The biohazard bag prevents a
possible exposure incident.
8. First blood draw patient actions - ANSWER Explain the reason the test was
ordered and describe the procedure to the patient.
,9. Action for critical glucose test result - ANSWER Report the result to the
patient's provider.
10.Information for quality control record - ANSWER Expiration date.
11.Emergency first aid treatment - ANSWER Includes maintaining an open
airway, controlling bleeding, and keeping the patient warm until help
arrives.
12.Fasting requirement before blood collection - ANSWER Inform the patient
not to consume food for 12 hours prior to blood collection.
13.Possible result of multiple specimens from premature infant - ANSWER
Iatrogenic anemia.
14.Timing for peak level blood draw after medication - ANSWER 30 minutes
after administration.
15.Procedure for newborn screening on filter paper - ANSWER Apply blood to
the printed side of the filter paper.
16.Action during patient seizure - ANSWER Discontinue the draw.
17.What happens if tubes are not inverted? - ANSWER Blood may clot or test
results may be incorrect.
, 18.What is the typical number of inversions for additive tubes? - ANSWER 5-
10 gentle inversions.
19.Why may veins collapse during venipuncture? - ANSWER Too much
vacuum or fragile veins.
20.When may a syringe method be used? - ANSWER For small or fragile
veins.
21.Why are butterfly needles used? - ANSWER For small, difficult, or
pediatric veins.
22.What happens if the vein is missed? - ANSWER No blood enters the tube.
23.What should be done if the vein is missed? - ANSWER Remove needle and
try another site.
24.Why is labeling specimens critical? - ANSWER Prevents patient
identification errors.
25.What information is required on specimen labels? - ANSWER Patient
name, date, time, and collector initials.
26.What should never be done with a needle? - ANSWER Recapping it.
27.Why should needles not be recapped? - ANSWER Risk of needlestick
injury.
