PLB 109 Final exam study guide UPDATED Exam Questions and CORRECT Answers

PLB 109 Final exam study guide UPDATED
Exam Questions and CORRECT Answers
Discuss how and where a tourniquet is tied - CORRECT ANSWER -


Explain why a patient should not pump their first when the tourniquet is tied - CORRECT
ANSWER -


Explain the difference between antiseptic and a disinfectant, providing examples of each -
CORRECT ANSWER - Antiseptics are used to inhibit growth of microorganisms, and are safe
to use of human skin like 70% isopropyl alcohol (most common). Disinfectants are used to
remove or kill bacteria on surfaces and instruments, and are NOT safe on human skin like
Sodium hypochlorite (bleach)


Identify situations in which an antiseptic should be used and explain how it is used - CORRECT
ANSWER - Antiseptics should be used before the venipuncture procedure at the blood drawn
area, and during it, if necessary (like touching around the venipuncture area when redirecting),


70% isopropyl alcohol (most common), povidone-iodine (non-alcohol),
chlorhexidine gluconate, Benzalkonium (BZK)


Identify situations in which an disinfectant should be used and explain how it is used -
CORRECT ANSWER - The disinfectant would be used on outside of specimen tubes, arms of
phlebotomy (after completing the venipuncture procedure)


Locate and describe the veins in the antecubital - CORRECT ANSWER -



Identify the order in which veins should be selected and why - CORRECT ANSWER -



Describe and how to palpate veins and what vein feel like - CORRECT ANSWER -

,Identify and describe the 3 parts of a needle - CORRECT ANSWER -



Explain why gloves are used when performing phlebotomy - CORRECT ANSWER - Gloves
prevents contaminations of hands and reduce transmission of infection diseases. From healthcare
worker to patient and from one patient to another.


Explain when gloves are used, when they are changed, and how they are discarded - CORRECT
ANSWER - New pairs of gloves must be used used with each patient. They must be nonsterile
and disposable. They may be latex, nitrile, or vinyl.
The must be worn before touching the patient. They can be disposed in the trash/disposal bins.


Identify the agency(s) that regulate the use and quality of gloves - CORRECT ANSWER -
The use of gloves are regulated by the CDC as standard precaution, OSHA as Bloodborne
Pathogen Standard. The quality of gloves are regulated by the FDA


Identify the characteristics of a sharps container - CORRECT ANSWER -



Discuss the purpose of the sharps container - CORRECT ANSWER -


Explain how to use a sharps container and what items go in the container - CORRECT
ANSWER -



Explain when a tourniquet should be used and for how long - CORRECT ANSWER -



Explain the purpose of the tourniquet and its general characteristics - CORRECT ANSWER -


Identify the purpose of the needle safety device and when to use a needle safety device -
CORRECT ANSWER -

, List the information required on a specimen label and discuss when specimen labeling should
occur - CORRECT ANSWER -


Identify information that must be added to a barcode labeled specimen

● - CORRECT ANSWER -


Identify how re-verification of patient identification is performed, and when - CORRECT
ANSWER -



Explain the purpose of the order of draw for evacuated tubes - CORRECT ANSWER -



Identify the order of draw for evacuated tubes. - CORRECT ANSWER -



Identify 3 tests that are collected in the gray top tube - CORRECT ANSWER -


Explain the purpose of the thixotropic gel. Identify tubes which contain the gel. - CORRECT
ANSWER -


Explain the purpose of the glass particles in some of the tubes. Identify tubes which contain the
glass particles. - CORRECT ANSWER -



Define anticoagulant - CORRECT ANSWER -


Identify the anticoagulant in the green tube, gray tube, lavender tube, and light blue tube. -
CORRECT ANSWER -


Explain the importance of a needle safety device and how to assemble equipment to ensure a
needle safety device is present - CORRECT ANSWER -