Phlebotomy Quiz

What is a common problem that can occur with venipuncture?

• The needle is too sharp

• The vein is too visible

• The phlebotomy technician cannot easily see or palpate a suitable vein

• The blood flows too quickly

What should a phlebotomist do if they cannot find a suitable vein?

• Try a different needle

• Ask another phlebotomy technician to try

• Increase the blood pressure

• Use a larger syringe

What is a potential cause if blood flow stops unexpectedly during venipuncture?

• The needle is too small

• The vein is too deep

• The needle is not advanced deep enough into the vein

• The blood is too thick

What should be done if no blood is evacuated into the collection tube?

• Move the needle in and out repeatedly

• Pull the needle back slightly

• Use a larger needle

• Apply more pressure

What is a common complication associated with phlebotomy that involves blood leaking into surrounding tissue?

• Nerve damage

• Hematoma

• Phlebitis

• Thrombosis

Which complication involves inflammation of a blood vessel, often due to repeated access?

• Thrombosis

• Petechiae

• Phlebitis

• Nerve damage

What should be done if a patient reports numbness or a sensation of pins and needles during venipuncture?

• Continue the procedure

• Apply a bandage

• Stop the procedure immediately

• Increase pressure on the site

What are petechiae, and how are they caused during venipuncture?

• Large bruises caused by needle insertion

• Red dots caused by a tightly applied tourniquet

• Swelling due to blood clot

• Numbness from nerve damage

What is a thrombus, and how does it affect venipuncture?

• A nerve injury causing numbness

• A solid mass blocking a vein or artery

• A red dot on the skin

• A bruise from blood leakage

What is hemoconcentration and how can it be prevented during blood collection?

• It is the increase in blood flow due to a loose tourniquet; prevent by tightening the tourniquet.

• It is the stagnation of blood flow due to a tight tourniquet; prevent by removing the tourniquet within 1 minute.

• It is the decrease in blood flow due to a tight tourniquet; prevent by applying ice.

• It is the increase in blood flow due to a tight tourniquet; prevent by applying heat.