Hwk Packets #5
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| Name three things that can affect the quality of neonatal bilirubin results. | A. Exposure to light B. Collected at wrong time C. Hemolysis
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| Amber-colored Microtainer tubes are used to collect specimens for _______________. | Bilirubin
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| A physician questions the low bilirubin result on a jaundiced baby. This discrepency may be do to exposing the specimen to _______________ | The bili light/light
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| Decreased _______________ levels may be caused by the high red blood cell counts normally seen in newborns. | Glucose
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| Newborns who appear jaundiced have increased _______________ levels. | Bilirubin
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| A specimen was collected under the bili light. A bilirubin collected from a jaundiced infant in this case may have a _______________ result. | Low/Normal
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| The acceptable amount of blood used to fill a filter paper circle for newborn screening tests is _______________. | One drop
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| Collection of blood for newborn screening in a capillary pippette and transferring it to the filter paper circle is not recommended because _________________________. | The pipette could scratch the filter paper
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| _______________ is used as the test method by the filter paper screening test for PKU. | Bacterial growth
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| Most states require testing of newborns for _______________. | PKU - Phenylketonuria
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| Specimens for newborn filter paper tests are collected from the _______________ of the _______________. | Plantar area/Heel
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| Failure to wipe away the first drop of blood when collecting a neonatal filter paper screening test could cause a _______________ result. | Low/False negative
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| A false-negative result can result from failure to _______________ the filter paper circle for a newborn screening test. | Completely fill
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| What details are required in handling specimens for filter paper neonatal screening tests? | A. Must air dry B. Should not be stacked C. Horizontal D. Room temperature E. Away from direct sun light
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| T or F - Both sides of the filter paper circle must be filled on a neonatal filter paper screening test. | False
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| Name three tests for which blood smears are prepared. | A. Differential blood count B. Special staining procedures C. Non-automated reticulocyte count **D. Malaria Smear
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| When preparing a blood smear, the correct angle of the spreader slide is _______________ to _______________. | 30 to 40
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| Detecting presence of _______________ is the purpose of a thick malaria smear. | Parasites/Plasmodium species
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| A suitable blood smear should have a smooth film of blood without ridges or holes and a lightly _______________ edge without streaks | Feathered
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| Blood smears are labeled by writing in the frosted are or at the _______________ end. | Thick
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| Blood smears are important for evaluating _______________. | Blood cells/Blood cell morphology
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| Specimens collected by venipuncture that require preparation of a blood smear are collected in _______________ top tubes. | Lavender/EDTA
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| Multiplication of parasites within red blood cells occurs in __________. | Malaria
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| Detection and identification of parasites in red blood cells requires preparation of both _______________ and _______________ blood smears. | Thick and Thin
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| When preparing a blood smear, the spreader is placed _______________ the drop of blood. | In front of
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| The best quality of blood smear is obtained by pushing the spreader slide the _______________length of the smear. | Complete/Full
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| When Preparing a blood smear, raising the angle of the spreader slide will ____________ the length and _______________ thickness of the smear. | Decrease/Increase
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| Preparation of a blood smear using a slide that is not clean will result in ___________ in the smear. | Holes
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| Pushing instead of pulling the blood with the spreader slide produces a blood smear that has _______________ in the feathered edge. | Streaks
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| A patient is experiencing periodic symptoms of fever and chills. What procedure might be requested on this patient? | Collection of thick and thin smears
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| When preparing a blood smear, lowering the angle of the spreader slide will __________ the thickness of the smear. | Decrease
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| The Duke bleeding time method has been replaced with the template bleeding time because the template method is more _______________. | Standardized
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| A bleeding time is performed to evaluate the function of the _______________. | Platelets (Platelet Clotting)
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| The area used for performing a template bleeding time is the _______________ surface of the _______________. | Volar/Forearm
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| Blood is removed from the bleeding time incision by _______________ with ____________. | Wicking/Filter Paper
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| An incision is made _______________ to the _______________ when performing a bleeding time on an adult. | Horizontal (Parallel)/Anticubital Crease
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| A bleeding time that continues for 15 minutes should be _______________. | Discontinued
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| _______________ Hg is the pressure at which the blood pressure cuff should be maintained when performing a template bleeding time. | 40mm
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| Disturbing the platelet plug when performing a bleeding time will _______________. | Prolong or Lengthen
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| Pressing the puncture site every 30 seconds will cause falsely _______________ template bleeding time. | Increased
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| A patient taking aspirin can cause a falsely _______________ bleeding time. | Prolonged or Increased
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| T or F - Elevated bilirubin levels are seen in neonates with underdeveloped livers. | True
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| T or F - The feathered edge of a blood smear should not be sued for microscopic examinations. | False
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| What is the primary cause of falsely decreased neonatal bilirubins? | Prolonged exposure to light
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| How will an infant with a falsely negative PKU test be affected? | Severe mental retardation
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| PHENYLKETONURIA | The presence of abnormal phenylalanine metabolites in the urine.
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| FEATHERED EDGE | The area of a hematology blood smear where the microscopic examinantion is performed.
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| VOLAR | Pertaining to the palm side of the forearm.
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| JAUNDICED | Appearing yellow.
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| PLATELET PLUG | The initial blockage of vascular puncture by platelets.
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| PHENYLALANINE | A naturally occuring amino acid.
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