Podcast
Questions and Answers
What is the correct response if blood stops flowing into the tube during venipuncture?
What is the correct response if blood stops flowing into the tube during venipuncture?
- Loosen the tourniquet.
- Adjust the angle of the needle.
- Remove the needle and redraw. (correct)
- Pre-warm the area.
What should be done if the needle is inserted at an incorrect angle, potentially hitting the vein wall?
What should be done if the needle is inserted at an incorrect angle, potentially hitting the vein wall?
- Loosen the tourniquet to ease pressure.
- Keep the needle in place and try drawing blood.
- Withdraw the needle and adjust the angle. (correct)
- Switch to a larger gauge needle.
Which action is beneficial if a patient appears dehydrated before a venipuncture?
Which action is beneficial if a patient appears dehydrated before a venipuncture?
- Insert the needle deeper into the vein.
- Use a smaller needle gauge.
- Have the patient drink fluids. (correct)
- Tighten the tourniquet to increase pressure.
What should be done if the tourniquet is believed to obstruct blood flow during a venipuncture?
What should be done if the tourniquet is believed to obstruct blood flow during a venipuncture?
What is a common misstep that can result in a failure of blood collection during venipuncture?
What is a common misstep that can result in a failure of blood collection during venipuncture?
Flashcards
Correct Venipuncture Angle
Correct Venipuncture Angle
The needle should be inserted at the correct angle to avoid hitting the vein wall or penetrating too deeply.
Venipuncture: Blood Flow Stopped
Venipuncture: Blood Flow Stopped
If blood flow stops during venipuncture, immediately remove the needle and redraw a new sample.
Tourniquet Obstruction
Tourniquet Obstruction
A tight tourniquet can obstruct blood flow; loosen it if blood flow stops.
Empty Vacuum Tube
Empty Vacuum Tube
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Re-anchor the Vein
Re-anchor the Vein
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