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Questions and Answers
What is the first step in the process of inserting a cannula, based on the text provided?
What is the first step in the process of inserting a cannula, based on the text provided?
- Identify the patient
- Perform hand hygiene and put on PPE
- Verify the cannula depended on the MAR (correct)
- Gather equipment and bring to the bedside
What should you do to dilate the vein before inserting a cannula?
What should you do to dilate the vein before inserting a cannula?
- Have the patient massage their arm
- Use the dominant hand to hold the skin taut
- Ask the patient to open and close the fist (correct)
- Hold the arm above the heart
What should be done while holding the skin taut against the vein during a venipuncture?
What should be done while holding the skin taut against the vein during a venipuncture?
- Ask the patient to move their arm
- Massage the vein gently
- Hold the arm above the heart level
- Ensure the patient remains still (correct)
What factor determines the choice of cannula gauge to be used?
What factor determines the choice of cannula gauge to be used?
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Study Notes
Inserting a Cannula
- The first step in the process of inserting a cannula is to select a suitable vein.
Preparing the Vein
- To dilate the vein before inserting a cannula, a topical vasodilator or a warm compress can be applied to the area.
Performing Venipuncture
- While holding the skin taut against the vein during a venipuncture, the vein should be anchored to prevent rolling.
Choosing a Cannula Gauge
- The choice of cannula gauge to be used is determined by the size and accessibility of the vein, as well as the intended use and flow rate needed.
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