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Phlebotomy Exam 2 (100% guaranteed pass)2024/2025
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Phlebotomy Exam 2 (100% guaranteed pass)2024/2025
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Phlebotomy Exam 2Negligence - ANSFailure to take proper care in doing something
Assault - ANSThreat or attempt
The most important step in the performance of a venipuncture is? - ANSIdentifying the patient
The body system that filters blood to eliminate waste, helps maintain blood pH, and regulates
water balance is the ______ system. - ANSUrinary
A complete blood count (CBC) is collected in an evacuated tube with a _____ colored stopper. -
ANSlavender
When performing a routine skin puncture, the site should be alcohol cleaned and _____. -
ANSallowed to air dry on its own
When using two glass slides to make a blood smear, the recommended angle of contact
between them is approximately ___ degrees. - ANS30
Confirming an outpatient's name and _____ provides two important identifiers for blood
collection. - ANSdate of birth
To draw blood from a patient with an open IV line, the selected site should be located? -
ANSbelow the IV
Why does a multi-sample needle have a rubber sleeve over the end of the needle that is
inserted into the collection tube? - ANSTo prevent blood from seeping into the tube holder
(adapter)
Squeezing the finger too vigorously during capillary blood collection can cause erroneous lab
test results due to? - ANSdilution with tissue fluid
The smallest veins of the human anatomy are known as? - ANSvenules
Treating ALL lab specimens as if they are hazardous and infectious is the basis for? -
ANSUniversal precautions
If a glass tube breaks during centrifugation, what sequence of actions would be best? -
ANSBring the centrifuge to a stop, open the lid and use forceps to remove any glass
, If the information on an inpatient's identification bracelet is NOT identical to the information on
the phlebotomy test requisition and labels for that patient, the phlebotomist should? -
ANSRefrain from drawing the sample until ID is resolved
Before performing a venipuncture, why will a phlebotomist tie a tourniquet? - ANSTo help locate
veins in the antecubital
To collect blood for a prothrombin time test, use an evacuated tube with a _____ colored
stopper. - ANSLight blue
To collect blood without an additive, use an evacuated tube with a _____ colored stopper. -
ANSRed
One bedside (Point of Care) laboratory test that is used before surgery to check whether a
patient has functional platelets is known as the _____ test. - ANSProthrombin time
Can a phlebotomist legally draw blood from a fully cognizant (awake and aware) patient who
refuses to consent to it? - ANSNo
Specimen collection areas should be decontaminated regularly with fresh bleach solutions that
have been diluted _____ with water. - ANS1:10
Tubes used for _____ tests must have a 9:1 ratio of blood to anticoagulant to be accepted by
the lab. - ANScoagulation
When performing venipuncture, the tourniquet must not remain on the arm for more than _____
at a time. - ANS1 minute
An artery in the wrist that can be used for blood gas collection is the? - ANSradial
If the venipuncture site begins to swell as blood is being drawn from a patient's arm, it is be to
_____ - ANSrelease the tourniquet, remove the needle and apply pressure.
When anticoagulated blood is centrifuged, _____ will be spun to the bottom of the tube. -
ANSred blood cells
A lipid panel provides the most useful information to the physicians if it is drawn _____ -
ANSwhile a patient is fasting
Tiny clots may appear in an anticoagulated tube due to? - ANSInsufficient mixing
A laboratory test that evaluates extrinsic coagulation function is the? - ANSProthrombin Time
(PT)
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