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ORDER OF DRAW
NAME THAT TUBE
NEEDLE SIZE
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100
Light blue, Red and Gold tops are inverted ___ to____ times 

3, 5 

100

Which tube commonly contains EDTA and is used for a CBC?

Lavender tube

100

Most common needle gauge for venipuncture in adults is ________.

21 G

100

When obtaining a urine HCG it is best to get the sample at this time..... why?

AM - First pee - Most concentrated 

100

This type of error happens prior to the actual analysis of a sepcimen. 

Preanalytical Errors 

200

These tubes have EDTA as the additive 

Pink, Royal blue/tan, Lavender 

200

Which tube contains sodium citrate and is commonly used for PT/INR testing?

Light blue tube

200

This gauge can be used in patients with smaller or more fragile veins - or in pediatric draws 

22-23 G

200

If your patient fails their glucose challenge test they will need to take this 3 hours test 

Glucose Tolerance Test 

200
Rested state in which no food or beverages except water has been consumed in the last 12 hours and no strenuous exercise has been performed 

Basal State 

300

The 10th tube, ______ tube,  in the order of draw has the additive Na+ fluoride to prevent glycolysis 

GRAY TUBE 

300

Which tube is commonly used to collect trace-element specimens?

Royal blue/ Tan
300

This gauge needle is used for blood donation

16 G

300

You have three blood collection requests: STAT, timed, and routine. Which should be collected first, second, and third?

STAT → timed → routine

300
When is the typical volume of tubes when drawing blood on a pediatric patient? 

1-2 mL 

400

A type and screen is sent to what department in the lab?

Blood Bank

400

A laboratory needs plasma for a STAT potassium level. This tube contains lithium heparin and is commonly used for plasma chemistry testing

Light Green

400

Maximum puncture depth when using a lancet on an adult patient 

2 mm

400

Your patient has a peak blood draw ordered for a medication they received at 2330. At what time will the PBT get their blood sample? 

0030 

400

When getting a capillary sample, the first blood is most similar to what type of blood?

Arterial blood 

500

You are collecting blood from a patient using a standard venipuncture. You need to collect a light blue, lavender, green, and serum (SST) tube. What is the correct order of draw?

light blue → serum (SST) → green → lavender

500

This tube contains sodium polyanethol sulfonate (SPS), which helps prevent clotting and supports the recovery of microorganisms in blood cultures.

Yellow SPS tube 

500

Winged collection set is most commonly used in ________ patients. 

Elderly /  weak or thin veins

500

Once the tourniquet has been on for one minute, how long does it need to remain off for before being placed again? 

At least 2 minutes

500

These blood samples need to be placed on ice

Lactic Acid & Ammonia