w8 phlebotomy equipment Flashcards
1
Q
when is capillary puncture used?
A
- paediatric patients
- small amount of sample required
- venipuncture unsuccessful
- patients with poor veins
- burn patients
- obese patients
- glucose monitoring
- poc
2
Q
order of draw for microtainers
A
lav EDTA
other tubes
gold sst or no additives
3
Q
what is a lancet
A
small, single use sterile devices. penetrate predetermined distance into skin 2.0mm-3.0mm
4
Q
metal lancets
A
traditional cheap but manual, could go too shallow or too deep
5
Q
automated lancets
A
safer and less traumatic for patient
recessed blade has precise placement
semi-automatic puncture mechanism results in a controlled puncture-not stabbing. bladder retracts automatically
6
Q
why are capillary tubes covered in heparin
A
they are made of glass and glass enhances clotting
