ANSWERS
arterial blood leaves the heart through the - CORRECT ANSWERS
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✔✔aorta
low and high controls are required for a glucose meter. these are
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run - CORRECT ANSWERS ✔✔exactly the same as patient
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samples are run |\ |\
blood culture collection sites are prepared by swabbing the
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venipuncture site with iodine, which is left on for at least -
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CORRECT ANSWERS ✔✔20 seconds |\ |\ |\
arterial walls have thick layers of _______ to withstand increased
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blood pressure during the contraction phase of the heart and
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maintain blood flow during its resting phase - CORRECT
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ANSWERS ✔✔muscle |\
what is a normal finding in a plasma speciman - CORRECT
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ANSWERS ✔✔light, yellow color |\ |\ |\
a blood specimen for a 2 hour postprandial glucose test is
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collected - CORRECT ANSWERS ✔✔after the patient eats a meal
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,a patient has a cast on the left arm and an IV in the right
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forearm. a venipuncture in the patients right arm must be done -
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CORRECT ANSWERS ✔✔below the IV in a different vein |\ |\ |\ |\ |\ |\ |\ |\
a specimen for a blood ammonia test is to be preserved from the
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time of collection until it is tested in the laboratory. the best
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course of action is to keep the tube - CORRECT ANSWERS ✔✔in a
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cup of ice water
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the performance and speed of centrifuges should be checked -
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CORRECT ANSWERS ✔✔every 3 months |\ |\ |\ |\
the preferred depth of incision for a skin puncture of a premature
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infant is - CORRECT ANSWERS ✔✔0.85 mm
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the transportation of blood and body fluid specimens by
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pneumatic tube system - CORRECT ANSWERS ✔✔is not |\ |\ |\ |\ |\ |\ |\ |\
recommended
when collecting blood samples from a patient with a venous
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access device (VAD) - CORRECT ANSWERS ✔✔discard the first 5
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mL of blood to flush the VAD
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a phlebotomist must collect from a patient in isolation with
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contact precautions. The appropriate personal protective
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equipment (PPE) is - CORRECT ANSWERS ✔✔gloves and gown |\ |\ |\ |\ |\ |\ |\ |\
, whn blood leaves the right ventricle, it enters the - CORRECT
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ANSWERS ✔✔right and left pulmonary arteries |\ |\ |\ |\ |\
when collecting blood from an infant or neonate, the best site for
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a skin puncture is - CORRECT ANSWERS ✔✔the medial or lateral
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section of the foot |\ |\ |\
what g value and minimum time are used in a centrifuge to
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effect good separation of clotted blood from serum - CORRECT
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ANSWERS ✔✔1000 rpm for 10 minutes |\ |\ |\ |\ |\
obese patients may be difficult to draw because their veins can
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be more difficult to palpate. excessive probing by the
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phlebotomist may - CORRECT ANSWERS ✔✔release some tissue |\ |\ |\ |\ |\ |\ |\ |\
clotting factors |\
what percentage of water in a human body is found within cells -
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CORRECT ANSWERS ✔✔60% |\ |\
when preparing a site for venipuncture, which of the following is
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not mandated - CORRECT ANSWERS ✔✔always start with using
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iodine
which of the following is true of veins - CORRECT ANSWERS ✔✔all
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veins contain deoxygenated blood
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which of the following is not true of arteries - CORRECT ANSWERS
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✔✔arteries have a pulse
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