CPT - Certified Phlebotomy Technician
Exam Questions and Answers Graded A+
What mask needs to be worn in a room with airborne isolation precautions -
Correct answer-N-95 Mask (plus gloves & a gown)
What does PPE stand for - Correct answer-Personal Protective Equipment
What PPE needs to be worn in a room with droplet isolation precautions - Correct
answer-Gloves, mask, eye protection & gown
What PPE needs to be worn in a room with contact precautions - Correct answer-
Gloves & gown
What gauge needle will cause hemolysis - Correct answer-25 gauge (and above)
(to small & it breaks the blood up; to large and it slams into the back of the tube)
What is the range of needle gauges for blood donation - Correct answer-16-18
gauge
Needles for phlebotomy should be pitched how many degrees - Correct answer-
15o-30 degree angle
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,Needles should be inserted how far - Correct answer-¼"- ½" or until you reach a
change of resistance
What are the three vessels of the anti cubital fossa - Correct answer-Median
Cubital Vein, Cephalic Vein, Brachial/basilic Vein
Which vessel is the first choice for a blood draw - Correct answer-Median Cubital
Vein
Which vessel is the second choice for a blood draw - Correct answer-Cephalic Vein
Which vessel is the third choice for a blood draw - Correct answer-Brachial/basilic
Vein
Which vessel is lateral to the patient's body - Correct answer-Cephalic Vein
What are the names of the three main vessels of the body - Correct answer-Veins,
arteries, capillaries
What are the microscopic blood vessels responsible for O2 exchange - Correct
answer-Capillaries
How much blood is needed for each blood culture bottle - Correct answer-Adults:
8-10ml (3-4ml in each bottle, aerobic & anaerobic)
How many liters of blood does the average adult have - Correct answer-5 (4-6
liters)
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
, What is the name of the part of the blood which suspends all of its whole material -
Correct answer-Plasma
What is serum - Correct answer-Plasma without the clotting factor
What type of anemia can occur in infants because of frequent excessive blood
drawing - Correct answer-Iatrogenic anemia
What is the lifespan of an RBC - Correct answer-90-120 days
What does CBC stand for - Correct answer-Complete blood count
What is a CBC with differential - Correct answer-measures the levels of red blood
cells, white blood cells, platelet levels, hemoglobin and hematocrit
What are responsible for forming clots - Correct answer-Platelets (Thrombocytes)
What element of the blood is responsible for achieving hemostasis - Correct
answer-Platelets
What is the term for an increase in the number of formed elements of blood due to
a decrease in plasma - Correct answer-Hemoconcentration
If an emergency arises during a blood draw, what is the first action of the
phlebotomist - Correct answer-Stop
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
Exam Questions and Answers Graded A+
What mask needs to be worn in a room with airborne isolation precautions -
Correct answer-N-95 Mask (plus gloves & a gown)
What does PPE stand for - Correct answer-Personal Protective Equipment
What PPE needs to be worn in a room with droplet isolation precautions - Correct
answer-Gloves, mask, eye protection & gown
What PPE needs to be worn in a room with contact precautions - Correct answer-
Gloves & gown
What gauge needle will cause hemolysis - Correct answer-25 gauge (and above)
(to small & it breaks the blood up; to large and it slams into the back of the tube)
What is the range of needle gauges for blood donation - Correct answer-16-18
gauge
Needles for phlebotomy should be pitched how many degrees - Correct answer-
15o-30 degree angle
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,Needles should be inserted how far - Correct answer-¼"- ½" or until you reach a
change of resistance
What are the three vessels of the anti cubital fossa - Correct answer-Median
Cubital Vein, Cephalic Vein, Brachial/basilic Vein
Which vessel is the first choice for a blood draw - Correct answer-Median Cubital
Vein
Which vessel is the second choice for a blood draw - Correct answer-Cephalic Vein
Which vessel is the third choice for a blood draw - Correct answer-Brachial/basilic
Vein
Which vessel is lateral to the patient's body - Correct answer-Cephalic Vein
What are the names of the three main vessels of the body - Correct answer-Veins,
arteries, capillaries
What are the microscopic blood vessels responsible for O2 exchange - Correct
answer-Capillaries
How much blood is needed for each blood culture bottle - Correct answer-Adults:
8-10ml (3-4ml in each bottle, aerobic & anaerobic)
How many liters of blood does the average adult have - Correct answer-5 (4-6
liters)
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
, What is the name of the part of the blood which suspends all of its whole material -
Correct answer-Plasma
What is serum - Correct answer-Plasma without the clotting factor
What type of anemia can occur in infants because of frequent excessive blood
drawing - Correct answer-Iatrogenic anemia
What is the lifespan of an RBC - Correct answer-90-120 days
What does CBC stand for - Correct answer-Complete blood count
What is a CBC with differential - Correct answer-measures the levels of red blood
cells, white blood cells, platelet levels, hemoglobin and hematocrit
What are responsible for forming clots - Correct answer-Platelets (Thrombocytes)
What element of the blood is responsible for achieving hemostasis - Correct
answer-Platelets
What is the term for an increase in the number of formed elements of blood due to
a decrease in plasma - Correct answer-Hemoconcentration
If an emergency arises during a blood draw, what is the first action of the
phlebotomist - Correct answer-Stop
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
