WorksheetsPhlebotomy Equipment and Safety
Total questions: 35
Worksheet time: 18mins
What is the main advantage of a sharper bevel on a needle?
It reduces pain
It increases pain
It makes the needle more expensive
It makes the needle reusable.
What is the evacuated system often called?
Vacutainer system
Syringe system
Needle system
Safety system
What is a characteristic of the evacuated tube system?
It uses a double-pointed needle
It has a single-pointed needle
It does not use a vacuum
It is not used in phlebotomy.
What is the purpose of the rubber sleeve in the needle shown in Figure 5.7?
To increase the flow of blood
To stop the flow of blood when the tube is removed
To pierce the skin
To attach the needle to the holder
What angle should a needle be inserted at for a shallow vein?
5-degree angle
15-degree angle
25-degree angle
30-degree angle
What is the primary reason for discarding the entire device with the needle still attached, according to OSHA requirements?
A) To save costs
B) To protect the environment
C) To eliminate additional risk
D) To reuse the needle holder.
Which of the following is a potential hazard when using the 'keyhole' device on sharps containers?
It saves time
It creates a needle stick hazard
It is cost-effective
It is environmentally friendly.
What is a benefit of using self-capping needles like the Eclipse?
Reduced cost
Increased safety
Faster procedure
Easier handling
What is the primary purpose of evacuated collection tubes?
To store chemicals
To contain a vacuum and prevent contamination
To measure liquid volume
To serve as a decorative item.
What is the purpose of the expiration date on tubes used in phlebotomy?
To ensure the vacuum is maintained
To prevent contamination
To guarantee the additives work as intended
All of the above.
Which of the following materials are primarily used for tubes in health care settings?
Glass
Plastic
Metal
Rubber
What is the role of the gel in the centrifugation process?
It dissolves the cells
It separates the cells/clot from the plasma/serum
It increases the viscosity of the blood
It acts as a nutrient for cells.
Which of the following is a feature of the butterfly collection system?
It uses a 30-gauge needle
It cannot be attached to a syringe
It combines the benefits of the evacuated system and the syringe system
It is used only for intravenous injections.
What is the purpose of the Universal Luer connector in a phlebotomy setup?
To connect the needle to the syringe
To hold multiple samples
To attach the needle to the holder
To dispose of the needle safely.
What percentage of venipunctures should require the use of a butterfly needle?
5%
10%
15%
20%
What is the recommended angle for inserting a butterfly needle into a vein?
5-10 degrees
60 degrees
30 degrees
45 degrees
What is the first step in primary hemostasis?
Platelet aggregation
Vasoconstriction
Fibrinolysis
Coagulation
Which test is used to monitor warfarin therapy?
aPTT test
PT test
Platelet function test
Bleeding time test
In the coagulation cascade, what is prothrombin converted into?
Fibrinogen
Thrombin
Platelets
Calcium
What is the final product of the coagulation cascade that leads to clot formation?
Fibrin
Thrombin
Prothrombin
Calcium
What is the primary function of sodium fluoride in gray-stoppered tubes?
To act as an anticoagulant
To preserve glucose by inhibiting glycolysis
To increase the rate of glucose breakdown
To bind calcium in a nonionized form
Which anticoagulant is used in light blue-stoppered tubes for coagulation studies?
Potassium Oxalate
Sodium Fluoride
Sodium Citrate
Heparin
What is the main use of Solutions A and B (ACD) in phlebotomy?
Blood glucose testing
DNA and paternity testing
Cholesterol testing
Blood pressure monitoring
What is the primary function of Sodium Polyanethol Sulfonate (SPS) in blood collection tubes?
To prevent blood clotting
To allow bacteria to grow
To measure blood sugar levels
To separate plasma from blood.
Which anticoagulant is recommended for complete blood cell counts (CBCs) and differential blood smears?
Heparin
Sodium Citrate
EDTA
ACD
What is the anticoagulant of choice for pH determinations and electrolyte studies?
EDTA
Heparin
SPS
ACD
What is the purpose of the gel in EDTA White-stoppered tubes?
To prevent coagulation
To separate plasma from cells
To measure blood pressure
To enhance blood flow.
What is the purpose of a royal blue-stoppered tube in trace element studies?
To analyze trace elements like lead, zinc, arsenic, or copper
To store normal serum or plasma blood
To prevent hemolysis of red blood cells
To accelerate clotting
Which anticoagulant is used to inhibit glycolysis?
Potassium oxalate
Sodium fluoride
Sodium citrate
EDTA
What does the Red Top (glass) tube contain?
Sodium citrate
None
EDTA
Thrombin
Which tube is used for blood bank (crossmatch) and chemistries?
Light-Blue Top
Lavender/Purple Top
Red Top
Yellow Top
What is the effect on the specimen when using a Light-Green Top tube?
Forms clot quickly
Anticoagulants with lithium heparin
Inactivates thrombin
Preserves glucose up to 5 days
What is the primary reason for using a nonlatex tourniquet?
To avoid latex exposure
To increase blood flow
To reduce cost
To improve grip.
Why should a tourniquet not be left on the arm for longer than 1 minute?
It can cause the patient to faint
It may lead to hemoconcentration of the blood
It will make the veins less visible
It can cause an allergic reaction
Which finger is recommended for palpating a vein?
Thumb
Index finger
Middle finger
Ring finger
