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AMT/RPT Practice Exam 2024/
sclerosed.
Question:
If the plunger on the syringe is pulled back too fast the specimen may be -
Answer:
hemolyzed
Question:
When performing a heel puncture on an infant, proper technique includes -
Answer:
placing lancet flat against the skin on the medial or lateral plantar surface of heel.
Question:
what condition would most likely cause hemoconcentration?
Answer:
Dehydration.
Question:
What can cause hematoma formation?
Answer:
firmly anchoring vein in needle insertion.
anticoagulant in green top tube
Answer:
sodium heprin
Question:
what is preferred method for infant blood collection?
Answer:
capillary
Question:
what tube is normally used to collect a serum sample?
Answer:
red top
Question:
correct angle for the needle to be inserted into skin?
Answer:
30 degrees
Question:
why is it necessary to wipe first drop of blood away when performing a capillary procedure?
Answer:
to reduce interstitial fluid contamination
By bracing the hand while holding the needle assembly against the patients arm you
Answer:
prevent excess needle movement
Question:
When performing a capillary blood collection, the first drop of blood is wiped away because
Answer:
the first drop typically has more tissue fluid
Question:
What instrument may be used when trying to visualize the veins during venipuncture
Answer:
Venoscope
Question:
What is correct procedure when performing blood smear for leukocyte alkaline phosphate (LAP)?
Answer:
Perform skin puncture, wipe away the first drop of blood & then touch slide to the next drop of blood.
Question:
How long should a tourniquet be placed around a patients arm?
Answer:
no more than one minute
Hemoconcentration of a specimen can be avoided by?
Answer:
Removing the tourniquet within one minute.
Question:
A colllapsed vein will cause a
Answer:
cessation of blood flow.
Question:
Swelling caused from blood leaking from a blood vessel is
Answer:
hematoma
Question:
How far above the venipuncture site should the tourniquet be wrapped around arm?
Answer:
3 to 4 inches
Question:
What vein should be used when sample is needed from dialysis patient?
Answer:
hand vein
A serum or plasma specimen containing abnormally increased fatty substances from animal or vegetable origin is
Answer:
lipemic
Question:
A skin puncture is preferred over a venipuncture when the patient
Answer:
has severe burns
Question:
Prior to bandaging the puncture site the phlebotomist should
Answer:
examine the site for bleeding.
Question:
when blood collected in a syringe must be placed in evacuated tubes it is best to use
Answer:
blood transfer device
Question:
Blood smears made from EDTA specimens must be prepared within
Answer:
1 hour of collection
when patient develops syncope during a venipuncture, the phlebotomist should first
Answer:
remove tourniquet and call for help
Question:
the main reason not to use expired evacuated tubes
Answer:
they may exhibit incomplete filling
Question:
the most critical part of a blood culture collection is
Answer:
skin antisepsis of the collection site
Question:
what would trigger hematoma formation
Answer:
removing the needle while the tourniquet still on the arm
Question:
Heparin prevents clotting by
Answer:
inactivating thrombin if a pt is critical or an antibiotic needs to be given right away, and two blood culture
how do you stop bleeding at a venipuncture site
Answer:
place gauze pad over the site and hold pressure for 5-15 minutes the color coded tube that is most frequently associated with hematological tests is - lavender
Question:
the primary reason for using syringe transfer device is to
Answer:
safely transfer blood from syringe into ETS tubes
Question:
A basal-state specimen is collected when
Answer:
early in morning, after fasting for 12 hrs
Question:
The liquid portion of an anticoagulated blood specimen is called
Answer:
Serum
Petechiae are tiny, nonraised red spots on a patients skin when the tourniquet is applied. This is indicates, that
Answer:
the site may bleed excessively
Question:
A postprandial specimen is collected
Answer:
directly after a meal is consumed
Question:
If serum is left to remain on the blood clot for more than one hour, what will likely occur
Answer:
serum glucose levels decrease
Question:
what part of heel in infants is recommended for capillary puncture specimens -
Answer:
medial planter surface
Question:
when the needle penetrates all the way through the vein this can form -
Answer:
hematoma
After last tube filled , what is done next?
Answer:
filled tube is removed from the holder
Question:
what is proper sequential draw from first to last
Answer:
serum tube, heparin tube,
Question:
EDTA tube what is preferred vein site for venipuncture
Answer:
Medial Cubital
Question:
most commonly used antiseptic used for routine venipuncture
Answer:
70% isopropyl alcohol
Question:
what prevents rolling veins during venipuncture?
Answer:
Anchoring the vein while inserting the needle
What amount of residual urine is considered abnormal?
Answer:
70cc
Question:
A specimen that requires chilling for transport to the lab should be placed in -
Answer:
container immersed in a slurry of crushed ice & water
Question:
A urine sample collected for GTT what additional info on label
Answer:
time of collection
Question:
A quality fasting urine specimen is collected
Answer:
8 hrs after eating
Question:
What is proper collection of sputum specimen?
Answer:
mucus is coughed up from deep
The standard urine value for protein is
Answer:
negative
Question:
Blood cultures are preformed to test for
Answer:
septicemia
Question:
what urine collection method is most suitable for culture and sensitivity testing of microbes?
Answer:
midstream clean-catch specimen
Question:
most common injuries occurring during venipuncture
Answer:
nerve injuries or hematoma
Question:
most important factor in collecting an uncontaminated blood culture
Answer:
proper collection site preparation arterial blood collected in a plastic syringe for arterial blood gas (ABG) testing that
may be delayed in testing should be transported in
Answer:
an icy slurry
Question:
what is one of the first signs of liver disease?
Answer:
Bilirubinuria
Question:
which test requires the specimen to be protected from the sun?
Answer:
Bilirubin
Question:
The guaiac card occult blood test is commonly performed on what type of sample?
Answer:
Stool
Question:
A tube NOT completely filled may interfere with test results because
Answer:
an imbalance in the anticoagulant to blood ratio
when should the specimen container for a blood sample be labeled?
Answer:
immediately after draw
Question:
when transporting specimens from patient unit down to the hospital laboratory what system is used?
Answer:
pneumatic tube type of catheter that is inserted after plastic repair of the ureter and must remain in
Question:
place for at least a week after surgery
Answer:
splinting
Question:
what is most prevalent nosocomial infection?
Answer:
UTI
What POCT is used in diagnosing problems with hemostats?
Answer:
Bleeding Time
Question:
Serum should be separated from the blood cells as quickly as possible to avoid -
Answer:
homolysis
Question:
The world's largest publisher of scientific and medical info is the
Answer:
American
Question:
Medical Association How long should a patient fast, if at all, when physician orders a lipid profile?
Answer:
12-14 hr fast
Question:
the timing for glucose test begins
Answer:
when patient finishes drinking the glucose
