Phlebotomy National Exam Questions And Answers Latest Top Score.
Course
Phlebotomy National
Institution
Phlebotomy National
Phlebotomy National Exam Questions And Answers Latest Top Score.
What is hyperglycemia? - correct answer. high blood glucose
Name the needle with wings & plastic tubing. - correct answer. butterfly needle
How do you cleanse the puncture site when preparing for a dra...
Phlebotomy National Exam Questions And
Answers Latest Top Score.
What is hyperglycemia? - correct answer. high blood glucose
Name the needle with wings & plastic tubing. - correct answer. butterfly needle
How do you cleanse the puncture site when preparing for a draw? - correct answer.
In a spiral motion; inside to outside, with alcohol pad.
What is the risk of drawing blood with a 25 gauge needle? - correct answer.
hemolyzing the specimen
What to do when a patient's spouse ask how he/she is doing? - correct answer. Tell
them that their physician will be with you soon to answer any questions you may have.
In clinical lab terms, what is the definition of a profile? - correct answer. Several
tests ordered & performed together as one.
By whom are arterial blood gas specimens usually collected by? - correct answer.
respiratory therapists
What test would one use when testing for a blood borne bacterial infection? - correct
answer. blood culture bottles
What specimen would be used to test for recreational drugs? - correct answer. urine
If a test is ordered STAT when should you do it? - correct answer. right away
What unit would a heart attack victim be sent to? - correct answer. Cardiac ICU
,What would you do if a parent came to the lab and requested a copy of their child's lab
results? - correct answer. Inform them that ordering physician will discuss the
results with them.
Needle gauge choice is based on? - correct answer. size and strength of vein
Describe the difference between serum and plasma? - correct answer. Serum is the
fluid component of clotted blood. Plasma is the fluid component of unclotted blood.
Into which tube would a PT/PTT be collected? - correct answer. Light Blue
What does a Prothrombin Time (PT) test measure? - correct answer. How long it
takes blood to clot. Used to check for bleeding problems, and whether clotting medicine
is working and at correct dosage. Also called INR test.
What does a Partial Thromboplastin Time (PTT) test measure? - correct answer.
Measures how long it takes for blood to clot. Can be used to check for bleeding
problems. Blood clotting factors are used for coagulation.
Which bleeding test measures the extrinsic coagulation pathway by calculating the
prothrombin ratio along with the international normalized ratio. Also looks at some
clotting factors and determines warfarin levels and vitamin K position. - correct answer.
Prothrombin Time (PT)
Which bleeding test measures the intrinsic coagulation pathway and the common
coagulation pathway? Also measures heparin level in the body, just in case a patient is
on anti-coagulation therapy. Looks at some clotting factors. - correct answer. Partial
Thromboplastin Time (PTT)
Summarize difference between PT and PTT regarding tissue factor. - correct answer.
PTT is called partial because of the absence of the tissue factor. PT is time takes for
plasma to clot after the tissue factor is added.
What are some of the things that clotting time can be affected by? - correct answer.
Blood thinners, low levels of clotting factors, change in activity of clotting factors,
absence of clotting factors, inhibitors, increase in use of clotting factors.
Why would a physician order a PTT? - correct answer. *Find a cause of abnormal
bleeding/bruising
*Check for low levels of clotting factors
*Check for conditions that cause clotting problems
*Check if it is safe to do a procedure or surgery
*Check how well the liver is working
, When would you order a activated partial thromboplastin time (APTT) test? - correct
answer. After you take blood-thinners to see if the right dosage of medication is
being used.
Why would a physician order a PT? - correct answer. *Find a cause for abnormal
bleeding/bruising
*Check the effects of warfarin/coumadin
*Check for low levels of clotting factors
*Check for low levels of vitamin K
*Check liver function
*Check to see if body is using up clotting factors too quickly, and preventing clotting
Why do evac tubes have expiration dates? - correct answer. The vacuum gets
weaker as the rubber tube stopper ages.
What is the antiocoagulant in a a grey top? - correct answer. Potassium Oxalate
What is the name of immediate post meal blood test? - correct answer. Post
Prandial
When performing a venipuncture, the max time the tourniquet can be applied is? -
correct answer. 1 minute
What differentiates veins from arteries? - correct answer. Veins have valves to
prevent backflow
An erythrocytes lives an average life of how long? - correct answer. 120 days
What type of urine specimen for a microbiology urine culture? - correct answer. mid-
stream specimen
What is an accession number? - correct answer. A unique number given to each
new specimen, correlating it with tests ordered.
Most important first step if stuck with contaminated needle? - correct answer. Report
the incident to supervisor
Petechia are tiny hemorrhages, visible as red dots. What flawed step in venipuncture
procedure is this caused by? - correct answer. Tourniquet being left on for too long
Sodium heparin can be found in which tubes? - correct answer. Green
Complete Blood Count (CBC) and Erythrocyte Sedimentation Rate (ESR) go in which
tube? - correct answer. Lavender Tube
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