AMT/RPT Practice Exam| 164 QUESTIONS| WITH COMPLETE SOLUTIONS

If a vein feels hard and thready like when palpated, then this vein may be Correct Answer: sclerosed. If the plunger on the syringe is pulled back too fast the specimen may be Correct Answer: hemolyzed When performing a heel puncture on an infant, proper technique includes Correct Answer: placing lancet flat against the skin on the medial or lateral plantar surface of heel. what condition would most likely cause hemoconcentration? Correct Answer: Dehydration. What can cause hematoma formation? Correct Answer: firmly anchoring vein in needle insertion. anticoagulant in green top tube Correct Answer: sodium heprin what is preferred method for infant blood collection? Correct Answer: capillary what tube is normally used to collect a serum sample? Correct Answer: red top correct angle for the needle to be inserted into skin? Correct Answer: 30 degrees why is it necessary to wipe first drop of blood away when performing a capillary procedure? Correct Answer: to reduce interstitial fluid contamination Alcohol should be allowed to dry completely prior to skin puncture to Correct Answer: prevent lysis of red blood cells the phlebotomist places blood specimen in circles on special filter paper, for what test? Correct Answer: PKU A falsely decreased blood alcohol level may be obtained if Correct Answer: the tube is only partially filled Following venipuncture, what should be applied to venipuncture site? Correct Answer: clean sterile gauze pad When is a phlebotomist allowed to perform a venipuncture on an ankle vein? Correct Answer: When all other options have been exhausted and the physician has given approval.