30 Questions
Why do handheld carriers come in various styles and sizes?
To carry equipment for numerous blood draws
What is the purpose of a phlebotomy chair?
To provide support for the arm during blood collection
What is the primary material used for making phlebotomy carts?
Stainless steel or strong synthetic material
Where are phlebotomy carts usually parked?
In the hallway outside patients' rooms
What is the main purpose of using clean gauze pads in phlebotomy procedures?
To hold pressure over the site after blood collection
What feature do most phlebotomy chairs have to prevent falls during blood collection?
Adjustable armrests that lock in place
What is the purpose of the flanges or extensions on the large end of a tube holder?
To aid in tube placement and removal
How are evacuated tubes filled with blood?
Automatically due to the negative pressure inside them
Why don't tubes fill with blood all the way to the stopper?
Because air remains in the tube
What affects the selection of tubes for blood collection?
The patient's age, amount of blood needed, and vein condition
How do evacuated tubes get their vacuum during manufacture?
By pulling air from the tubes
What happens if a tube loses its vacuum prematurely?
It fails to properly fill with blood
What is the purpose of using antiseptics during phlebotomy procedures?
To reduce the number of microorganisms
Why are latex gloves not recommended for phlebotomy procedures?
They cause latex allergies
What is the reason behind the FDA's ban on powdered gloves in medicine?
They pose a danger to human health
Which type of gloves are acceptable for most phlebotomy procedures?
Vinyl gloves
What is the major difference between cleaning with an antiseptic and sterilization?
Sterilization kills or removes all living organisms and spores
Why is a good fit essential when selecting gloves for phlebotomy procedures?
To ensure safety and effectiveness
Why is the first tube collected with a blood collection set likely to underfill?
There is air in the tubing
What must be done to remove air from the tubing before collecting an additive tube?
Collect a few milliliters of blood in a nonadditive tube
Why is collecting a discard tube important when obtaining a coagulation specimen?
To reduce hemolysis
What type of needle may increase the chance of hemolysis even with small-volume tubes?
Smaller than 23-gauge
What is the purpose of the plastic extensions resembling butterfly wings on a winged infusion set?
Facilitate shallow angle needle insertion
What feature distinguishes the VANISHPOINT® blood collection set from others?
Automated in-vein retraction after blood collection
What is carryover or cross-contamination in blood collection?
Transfer of additive from one tube to the next
Which additive in tubes has been the source of more carryover problems?
EDTA
Why are blood cultures collected first in the order of draw?
To prevent microbial contamination of the needle
Which additive causes the least interference in tests other than coagulation tests?
Heparin
What can happen if blood in an additive tube touches the needle during ETS blood collection?
Contamination may occur in the next tube drawn
Why do blood culture tubes need special site-cleaning measures before collection?
To ensure sterility and prevent microbial contamination
Test your knowledge on OSHA requirements for handling bloodborne pathogens, including the proper use of antiseptics and gloves during blood collection procedures. Learn about disinfectants like ethyl alcohol, isopropyl alcohol, benzalkonium chloride, and chlorhexidine gluconate.
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