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AMT: American Medical Technologist Study Guide questions well answered
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AMT: American Medical TechnologistStudy Guide questions well answered
Color coding indicates a needle's - correct answer ✔✔gauge
Why is it necessary to wipe the first drop of blood away when performing a capillary procedure? -
correct answer ✔✔To reduce interstitial fluid contamination
The heel is the recommended site for collection of capillary puncture specimens on infants and the
phlebotomist is going to stick in the posterior curvature of the heel. Is this correct? - correct answer
✔✔No the medial plantar surface of the heel is the best site to prevent possible bone damage
Heparinized plasma is preferred over serum for some chemistry tests. Heparin prevents clotting by -
correct answer ✔✔inactivating thrombin.
Which of the following may cause hematoma formation? - correct answer ✔✔Having patient bend
elbow to apply pressure
By bracing the hand while holding the needle assembly against the patients arm you - correct answer
✔✔prevent excess needle movement.
When performing a capillary blood collection, the first blood drop is wiped away because - correct
answer ✔✔the first drop typically has more tissue fluid.
Preanalytical errors are mistakes made - correct answer ✔✔before laboratory testing
What antiseptic should the phlebotomy technician use to collect a blood culture? - correct answer
✔✔Chlorhexidine gluconate
, The main reason not to use expired evacuated tubes for blood specimen collection is - correct answer
✔✔they may exhibit incomplete filling.
Older patients are more prone to hematoma formation because - correct answer ✔✔their veins have
decreased elasticity.
What abnormal color will be observed in serum collected from a patient with jaundice due to elevated
bilirubin levels? - correct answer ✔✔Yellow
Which substance has a higher concentration in capillary blood than in venous blood? - correct answer
✔✔Glucose
Which of the following actions could cause the formation of a hematoma? - correct answer ✔✔The
needle penetrates all the way through the vein
To prevent glycolysis, which additive is used? - correct answer ✔✔Sodium Fluoride
When blood is inoculated into blood culture bottles using a butterfly apparatus the - correct answer
✔✔aerobic bottle in inoculated first.
Which of the following conditions would be most likely cause hemoconcentration? - correct answer
✔✔Dehydration
A collapsed vein will cause a - correct answer ✔✔cessation of blood flow
If a vein feels hard and thready like when palpated, then this vein may be - correct answer ✔✔sclerosed.
Blood smears made from EDTA specimens must be prepared within what period of time? - correct
answer ✔✔1 hour of collection.
Alcohol should be allowed to dry completely prior to skin puncture to - correct answer ✔✔prevent lysis
of red blood cells
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