AMT/RPT Practice Exam 2024/2025 With 100% Correct Answers
If a vein feels hard and thready like when palpated, then this vein may be -
✔✔sclerosed.
If the plunger on the syringe is pulled back too fast the specimen may be -
✔✔hemolyzed
When performing a heel puncture on an infant, proper technique includes -
✔✔placing lancet flat against the skin on the medial or lateral plantar surface of heel.
what condition would most likely cause hemoconcentration? - ✔✔Dehydration.
What can cause hematoma formation? - ✔✔firmly anchoring vein in needle
insertion.
anticoagulant in green top tube - ✔✔sodium heprin
what is preferred method for infant blood collection? - ✔✔capillary
what tube is normally used to collect a serum sample? - ✔✔red top
correct angle for the needle to be inserted into skin? - ✔✔30 degrees
why is it necessary to wipe first drop of blood away when performing a capillary
procedure? - ✔✔to reduce interstitial fluid contamination
,Alcohol should be allowed to dry completely prior to skin puncture to - ✔✔prevent
lysis of red blood cells
the phlebotomist places blood specimen in circles on special filter paper, for what
test? - ✔✔PKU
A falsely decreased blood alcohol level may be obtained if - ✔✔the tube is only
partially filled
Following venipuncture, what should be applied to venipuncture site? - ✔✔clean
sterile gauze pad
When is a phlebotomist allowed to perform a venipuncture on an ankle vein? -
✔✔When all other options have been exhausted and the physician has given
approval.
By bracing the hand while holding the needle assembly against the patients arm you
- ✔✔prevent excess needle movement
When performing a capillary blood collection, the first drop of blood is wiped away
because - ✔✔the first drop typically has more tissue fluid
What instrument may be used when trying to visualize the veins during venipuncture
- ✔✔Venoscope
What is correct procedure when performing blood smear for leukocyte alkaline
phosphate (LAP)? - ✔✔Perform skin puncture, wipe away the first drop of blood &
then touch slide to the next drop of blood.
, How long should a tourniquet be placed around a patients arm? - ✔✔no more than
one minute
Hemoconcentration of a specimen can be avoided by? - ✔✔Removing the tourniquet
within one minute.
A colllapsed vein will cause a - ✔✔cessation of blood flow.
Swelling caused from blood leaking from a blood vessel is - ✔✔hematoma
How far above the venipuncture site should the tourniquet be wrapped around arm?
- ✔✔3 to 4 inches
What vein should be used when sample is needed from dialysis patient? - ✔✔hand
vein
what is the most critically affected analyte in a hemolyzed specimen? -
✔✔Potassium
Partial penetration of the upper wall of a vein may - ✔✔allow blood to leak into
subcutaneous tissue by way of needle bevel
when blood is inoculated into blood culture bottles using a butterfly apparatus which
bottle is inoculated first? - ✔✔aerobic bottle
If a vein feels hard and thready like when palpated, then this vein may be -
✔✔sclerosed.
If the plunger on the syringe is pulled back too fast the specimen may be -
✔✔hemolyzed
When performing a heel puncture on an infant, proper technique includes -
✔✔placing lancet flat against the skin on the medial or lateral plantar surface of heel.
what condition would most likely cause hemoconcentration? - ✔✔Dehydration.
What can cause hematoma formation? - ✔✔firmly anchoring vein in needle
insertion.
anticoagulant in green top tube - ✔✔sodium heprin
what is preferred method for infant blood collection? - ✔✔capillary
what tube is normally used to collect a serum sample? - ✔✔red top
correct angle for the needle to be inserted into skin? - ✔✔30 degrees
why is it necessary to wipe first drop of blood away when performing a capillary
procedure? - ✔✔to reduce interstitial fluid contamination
,Alcohol should be allowed to dry completely prior to skin puncture to - ✔✔prevent
lysis of red blood cells
the phlebotomist places blood specimen in circles on special filter paper, for what
test? - ✔✔PKU
A falsely decreased blood alcohol level may be obtained if - ✔✔the tube is only
partially filled
Following venipuncture, what should be applied to venipuncture site? - ✔✔clean
sterile gauze pad
When is a phlebotomist allowed to perform a venipuncture on an ankle vein? -
✔✔When all other options have been exhausted and the physician has given
approval.
By bracing the hand while holding the needle assembly against the patients arm you
- ✔✔prevent excess needle movement
When performing a capillary blood collection, the first drop of blood is wiped away
because - ✔✔the first drop typically has more tissue fluid
What instrument may be used when trying to visualize the veins during venipuncture
- ✔✔Venoscope
What is correct procedure when performing blood smear for leukocyte alkaline
phosphate (LAP)? - ✔✔Perform skin puncture, wipe away the first drop of blood &
then touch slide to the next drop of blood.
, How long should a tourniquet be placed around a patients arm? - ✔✔no more than
one minute
Hemoconcentration of a specimen can be avoided by? - ✔✔Removing the tourniquet
within one minute.
A colllapsed vein will cause a - ✔✔cessation of blood flow.
Swelling caused from blood leaking from a blood vessel is - ✔✔hematoma
How far above the venipuncture site should the tourniquet be wrapped around arm?
- ✔✔3 to 4 inches
What vein should be used when sample is needed from dialysis patient? - ✔✔hand
vein
what is the most critically affected analyte in a hemolyzed specimen? -
✔✔Potassium
Partial penetration of the upper wall of a vein may - ✔✔allow blood to leak into
subcutaneous tissue by way of needle bevel
when blood is inoculated into blood culture bottles using a butterfly apparatus which
bottle is inoculated first? - ✔✔aerobic bottle
