Capillary
Phlebotomy
Order of draw
Whats in that tube
Preanalytical errors
100

Who would be a candidate for capillary draw?

children (esp under 2)

geriatric patients -

obese patients -burns/scars on sites

100

What are the 2 patient identifiers

full name

DOB

100

Pink, Gray, Red


What is the correct order of draw?

Red, Pink, Gray

100

Lavender tubes contain______which is a chelating agent

K2 EDTA

100

Describe lipemic serum

white or milky

200

Why must the first drop be wiped away?

To ensure no tissue or contaminants are

present in the sample

200

What is the most common skin antiseptic

70% Isopropyl alcohol

200
what is the correct order of draw?

Lavender, SST, Light Blue

Light blue

SST

Lavender

200

Blood culture bottles contain SPS which is an anticoaglant. they may also contain charcoal or resin beads.

What is the function of the charcoal/resin beads?

absorb antibiotics

200

Hemolysis is the most common cause for rejection

True or false

true

300

This commonly ordered blood test can be performed using a capillary puncture and a special device

Glucose testing

300
you cannot feel a median cubital vein on either of your patients arms. where would you next check?

cephalic vein on the thumb side of the wrist. if you still cant feel anything check the basilic vein on the pinky side of the wrist

300

What is the correct order of draw

Royal Blue/red, Green, Blood Cultures

Blood Cultures

RB/Red

Green

300

Which of the following tubes contain gel?

SST, Lav, Green, PST

SST and PST

300

A sample arrives to the lab unlabelled. what should you do?

call the clinic and ask them to recall the patient

400

What is the maximum depth and width for a newborn heel poke?

0.65-0.85mm depth

2.4mm width 

400

What is the proper angle of insertion for a straight needle draw?

15-30'

400

What is the correct order of draw

Pink, Anaerobic bottle, PST, Aerobic Bottle, Light Blue

Aerobic

anaerobic

Light blue

PST

Pink

400

Light Blue tubes contain CTAD.

What does CTAD stand for?

Citrate

Theophylline

Adenosine

Dipyridamole

400

a sample arrives to the lab leaking. it's considered an irretreivable sample (procedure is painful or there is no other sample to recollect)

how should you proceed?

go to the BSC and try to salvage as much of the sample as you can

document the sample arrived leaking and proceed with the test

500

What is an alternative site if the finger is not an option for puncture?

Big Toe
500

When you are nearing the end of your draw (last tube). What are the steps you must follow?

remove tourniquet

remove tube

remove needle

500

What is the correct order of draw

Lav, PST, Green, Light Blue, RB/Lav

Light blule

Green

PST

Lav

RB/Lav

500

Serum tubes contain Clot activators. What is the clot activator in an RST tube?

Thrombin

500

you notice your coworker is not inverting her tubes or letting them clot for the required amount of time.

what might happen to the samples?

 micro clots in anticoagulated tube

hemolysis in the centrifuge