26 Questions
What should you do when collecting blood samples from multiple patients?
Wash hands between each patient
What should you avoid doing when collecting blood samples?
Washing gloved hands
Why is it important to change gloves between each patient?
To prevent cross-contamination
What is a key principle when collecting blood samples from multiple patients?
Changing gloves between each patient
What should you do with gloves after using them for a patient?
Discard them
Why is reusing gloves not recommended?
It increases the risk of cross-contamination
What percentage of isopropyl alcohol should be used to disinfect the site?
70%
How long should you wait for the alcohol to dry before proceeding?
30 seconds
What should you avoid doing when inserting the blood collector tube into the holder?
Pushing the collector tube past the recessed line
What should you do when the blood starts to flow?
Ask the patient to open their hand
How much blood should be collected from each patient?
5ml
What should you do with the needle and holder after use?
Put the needle and holder into a sharps container
What should you do after withdrawing the needle from the patient's vein?
Give the patient a clean gauze or dry cotton wool ball to press gently on the site
What should you do with items that drip blood or have body fluids on them?
Put them into the infectious waste bag for destruction
How should you transport the blood sample?
Wrap the tube of blood in a paper towel and place it in a leak-proof packaging container
Who should approach the patient room to collect the blood sample?
The designated assistant
What is the primary role of the person standing outside the patient room?
To assist with putting on personal protective equipment
What is the minimum duration of hand hygiene using soap and water?
40-60 seconds
What should be worn over the gown cuffs?
Gloves
What is the purpose of introducing yourself to the patient in step 3b?
To explain the procedure and obtain consent
What is the recommended location for selecting the site for blood collection?
The bend of the elbow
Why should the patient form a fist in step 3e?
To make the veins more prominent
What should be used to tie the tourniquet around the arm?
Approximately 4-5 fingers
What should be done with the infectious waste bags and leak-proof sharps container?
Put them in the patient room and make them ready for use
What should be done to the area where the needle will be inserted?
Disinfect the area
What should be visible before applying a tourniquet?
A vein of good size
Study Notes
Pre-Procedure Preparation
- Wear all personal protective equipment (PPE) before entering the patient area
- Perform hand hygiene:
- Wash hands with soap and water for 40-60 seconds
- Rub hands palm to palm with fingers interlaced and rotational rubbing of left thumb clasped in right palm
- Rinse hands with water and dry thoroughly with a single-use towel
- Put on a gown, face protection (medical mask, face shield, or goggles), and gloves over gown cuffs
Collecting Blood Sample
- Prepare the room with infectious waste bags and a leak-proof and puncture-resistant sharps container
- Identify and prepare the patient, explaining the procedure and its purpose
- Select the blood collection site, preferably at the bend of the elbow, and palpate the area to locate a visible, straight, and clear vein
- Apply a tourniquet around the arm and ask the patient to form a fist to make the veins more prominent
- Disinfect the area where the needle will be inserted using 70% isopropyl alcohol, waiting 30 seconds for it to dry
- Insert the blood collector tube into the holder, avoiding pushing it past the recessed line on the needle holder
- Anchor the vein by holding the patient's arm and placing a thumb below the intended insertion site
- Perform the blood draw swiftly at a 30° angle, avoiding touching the disinfected site
Blood Collection Procedure
- When blood starts flowing, ask the patient to open their hand
- Once sufficient blood has been collected (minimum 5ml), release the tourniquet before withdrawing the needle
- Give the patient a clean gauze or dry cotton wool ball to press gently on the site
- Withdraw the needle gently and remove the blood collector tube from the holder
- Put the needle into a leak-proof and puncture-resistant sharps container
- If the sharps container has a needle remover, remove the needle following the instructions; otherwise, do not remove the needle from the holder
Post-Procedure
- Stop the bleeding and clean the skin
- Put an adhesive bandage on the site, if necessary
- Put items that dripped blood or had body fluids on them into the infectious waste bag for destruction
- Disinfect the blood holder tray and rack after use
- Prepare the blood sample for transport by wiping the tube with a disposable paper towel and placing it in a plastic leak-proof packaging container
This quiz covers the steps involved in aseptic technique, including preparing the site with isopropyl alcohol and waiting for it to dry. Learn the importance of not touching the site once it's been cleaned.
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