Phlebotomy Practice Exam Questions with 100% Correct
Answers Verified | Updated 2024/2025
Which of the following tests requires the specimen to be protected from the light:
Bilirubin
ABGs
Electrolytes
Glucose
Bilirubin
Skin puncture supplies include all of the following except:
Gauze pad
Providone-iodine pad
Lancet
Microcollection device
Providone-iodine pad
Skin puncture blood contains:
Interstitial fluids, arterial and venous blood
The concentration of this substance is higher in capillary blood than in venous
blood
Glucose
Skin puncture is typically performed on adults when
Patients have thrombotic tendencies, there are no accessible veins, and the veins need
to be saved for other procedures.
If collected by capillary puncture, which test specimen is collected first?
CBC
The following conditions disqualifies a site for capillary puncture
Cyatonic, edematous, and swollen.
The least hazardous area of an infant's foot for capillary puncture is the
Medial or lateral plantar surface of the heel.
According to CLSI(NCCLS), a heel puncture lancet should not puncture deeper
than
2.0 mm.
When making a routine blood smear, the "pusher slide" is normally used at an
angle of
30°
The blood specimen for this test is placed in circles on special filter paper
PKU (Phenylketonuria) test
Two layers of the skin
Dermis and epidermis
Arteries carry blood ______ the heart
(away) from the heart.
Veins carry blood ________ the heart.
to(ward) the heart.
, Three main veins used to draw blood
In order:
1. median cubital v.
2. cephalic v.
3. metacarpal v.
Three main venipuncture sites on the arm
antecubital fossa, forearm, back of hand.
Four main components of blood
Red blood cells, white blood cells, platelets, and plasma.
Four items that must be laced on the label of each blood tube
1. Patient ID (Name, DOB, ID#)
2. Date
3. Time
4. Initials of phlebotomist
Additive in light blue top
Sodium citrate
Additive in tiger top
Serum separator gel
Additive in red top
None/sterile
Additive in lavender/pink top
Ethylenediaminetetraacetic acid (EDTA)
Additive in green top
Sodium/Lithium heparin
Additive in Gray top
Potassium oxalate and sodium flouride
TRUE OR FALSE: RBCs fight infection
False
WBCs do.
TRUE OR FALSE: The bevel of the needle should face up prior to venipuncture
True
TRUE OR FALSE: The tops of blood culture tubes must be cleaned with betadine
False
Clean with 70% alcohol.
TRUE OR FALSE: Tourniquet is placed approximately 1/2 to 1 inch above the site
False
Tourniquet must be placed well away from site, preferably along the middle of bicep.
TRUE OR FALSE: CBC means a complete blood count
True
TRUE OR FALSE: Hematoma is the most common complication from phlebotomy
True
TRUE OR FALSE: Hemolysis is the destruction of red blood cells
True
Answers Verified | Updated 2024/2025
Which of the following tests requires the specimen to be protected from the light:
Bilirubin
ABGs
Electrolytes
Glucose
Bilirubin
Skin puncture supplies include all of the following except:
Gauze pad
Providone-iodine pad
Lancet
Microcollection device
Providone-iodine pad
Skin puncture blood contains:
Interstitial fluids, arterial and venous blood
The concentration of this substance is higher in capillary blood than in venous
blood
Glucose
Skin puncture is typically performed on adults when
Patients have thrombotic tendencies, there are no accessible veins, and the veins need
to be saved for other procedures.
If collected by capillary puncture, which test specimen is collected first?
CBC
The following conditions disqualifies a site for capillary puncture
Cyatonic, edematous, and swollen.
The least hazardous area of an infant's foot for capillary puncture is the
Medial or lateral plantar surface of the heel.
According to CLSI(NCCLS), a heel puncture lancet should not puncture deeper
than
2.0 mm.
When making a routine blood smear, the "pusher slide" is normally used at an
angle of
30°
The blood specimen for this test is placed in circles on special filter paper
PKU (Phenylketonuria) test
Two layers of the skin
Dermis and epidermis
Arteries carry blood ______ the heart
(away) from the heart.
Veins carry blood ________ the heart.
to(ward) the heart.
, Three main veins used to draw blood
In order:
1. median cubital v.
2. cephalic v.
3. metacarpal v.
Three main venipuncture sites on the arm
antecubital fossa, forearm, back of hand.
Four main components of blood
Red blood cells, white blood cells, platelets, and plasma.
Four items that must be laced on the label of each blood tube
1. Patient ID (Name, DOB, ID#)
2. Date
3. Time
4. Initials of phlebotomist
Additive in light blue top
Sodium citrate
Additive in tiger top
Serum separator gel
Additive in red top
None/sterile
Additive in lavender/pink top
Ethylenediaminetetraacetic acid (EDTA)
Additive in green top
Sodium/Lithium heparin
Additive in Gray top
Potassium oxalate and sodium flouride
TRUE OR FALSE: RBCs fight infection
False
WBCs do.
TRUE OR FALSE: The bevel of the needle should face up prior to venipuncture
True
TRUE OR FALSE: The tops of blood culture tubes must be cleaned with betadine
False
Clean with 70% alcohol.
TRUE OR FALSE: Tourniquet is placed approximately 1/2 to 1 inch above the site
False
Tourniquet must be placed well away from site, preferably along the middle of bicep.
TRUE OR FALSE: CBC means a complete blood count
True
TRUE OR FALSE: Hematoma is the most common complication from phlebotomy
True
TRUE OR FALSE: Hemolysis is the destruction of red blood cells
True
