What are all anticoagulants that remove calcium from the specimen by forming insoluble calcium salts and therefore preventing coagulation?
Sodium citrate, EDTA, oxalate
In a successful venipuncture, evacuated tubes fill automatically as soon as the stopper is pierced because of what?
Pre-measured vacuum in each tube
What is one reason that the ETS is the preferred blood collection system?
Exposure of the blood to contaminants is avoided
Decontamination of the hands after glove removal is essential because?
Hand contamination might not be visible to the naked eye
What is a disinfectant is preferred by the HICPAC for use on surfaces and instruments?
EPA-registered sodium hypochlorite product
After a blood spill, a disinfectant is applied and must have at least how many minutes of contact time for cleanup to be effective?
If hands are heavily contaminated with organic material and a sink is not available, the phlebotomist should clean them with?
Detergent-containing wipes followed by sanitizer
Which statement is incorrect? A properly applied tourniquet should: Distend or inflate the veins of choice, Make veins larger and easier to find, Restrict venous and arterial blood flow, Stretch vein walls so that they are thinner.
Restrict venous and arterial blood flow
What gauge needle is used primarily for infant or child veins, & difficult or hard veins of adults?
Needle safety features work by?
All of the above...Covering or shielding the needle, retracting the needle after the use, using a device to blunt the needle
OSHA regulations require that after use:
Tube holders with needles attached be disposed of as a unit.
The head space in an evacuated tube is:
A consistent amount of airspace left when a tube is filled properly
Types of ETS tube additives include
All of the following: Anticoagulants, Clot activators, Separator gels
Improper handling or storage of evacuated tubes can affect:
All of the above: Additive integrity, the shape of the tube, the vacuum of a tube
This antiseptic has been traditionally used to obtain the high degree of skin antisepsis required when blood cultures are being collected:
Which of the following is the preferred solution to use to clean up blood spills?
An EPA-approved bleach product
Why are gauze pads a better choice than cotton balls for covering the site and holding pressure following venipuncture?
Cotton ball fibers can stick to the site
CLSI standards advise against using these on infants and children under 2 years old:
What criterion is used to decide which needle gauge to use for venipuncture?
Size and condition of the vein
The purpose of the rubber sleeve that covers the tube end of a multiple-sample needle is to:
Prevent leakage of blood during tube changes
A phlebotomy needle that does not have a safety feature:
Must be used with a holder that has a safety feature
Which of the following plays no role in deciding what size tubes to use for ETS blood collection?
Patient's allergy to antisptics
Which of the following tube stopper colors indicates something other than the presence (or absence) and type of additive in the tube?
Which department would most likely perform the test on a specimen collected in an SPS tube?
It's important to fill oxalate tubes to the stated fill capacity because excess oxalate:
Causes hemolysis of blood specimens
Identify the tubes needed to collect a CBC, PTT, & STAT potassium by color and in the proper order of collection for a multi-tube draw:
Light-blue top, green top, lavender top
Which of the following STAT tests is typically collected in a lithium heparin tube?
You are most likely to increase the chance of hemolyzing a specimen if you use a:
25 gauge butterfly needle to collect a specimen from a small child
The purpose of a tourniquet in the venipuncture procedure is to:
Enlarge veins so they are easier to find and enter
If a blood pressure cuff is used for venipuncture in place of a tourniquet, the pressure used must be:
Below the patient's diastolic pressure
Which additive contains a substance that inhibits phagocytosis of bacteria by white blood cells?
Sodium polyanethol sulfonate
What is the fewest number of tubes needed to collect a CBC and protime when using a butterfly on a patient who is a difficult draw?
Identify the tubes needed to collect a PT, STAT, Lytes, and BC in the proper order of collection:
Yellow, light blue, PST
A tube with this stopper color could contain either of two different forms of an anticoagulant salt?
Which stopper color is the same for two completely different types of additives used by two different departments?
An ETS holder and a syringe transfer device look very similar. What is the difference between the two?
There is a permanently attached needle with a sleeve inside the transfer device
A prothrombin time (PT) & platelet count are ordered on an 80-year-old female patient. Deciding to use a butterfly and "short draw" evacuated tubes on a tiny cephalic vein on the side of her right arm, the phlebotomist collects one light blue-top tube and then a lavender-top tube. Why would you suspect that the PT test results might be incorrect and the platelet count unaffected?
No tube was drawn to remove air in the butterfly tubing
A home care phlebotomist had a requisition to collect a complete blood count (CBC), plasma K, partial thromboplastin time (PTT), and prothrombin time (PT). He collected the tubes from the client, who was lying on the sofa with her arm elevated above her shoulder on a table next to the sofa. As he collected the tests in the following order-CBC, K, & finally the PT & PTT-he was careful to invert the tubes as required. Later that day, the lab called the phlebotomist to say that three of the tests would have to be redrawn. Which three test most likely had questionable results and needed to redrawn?
Potassium, PTT, and PT
While collecting a stat blood culture and electrolytes on a child in the emergency room, the phlebotomist was asked by the physician to get an extra tube of blood to check for metal poisoning. Which one of the following tubes would the phlebotmist add to the ones already being collected?