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Phlebotomy 9&10
| Question | Answer |
|---|---|
| Because results vary somewhat from person to person, the results used for comparison become a range of values with high and low limits, commonly called? | Reference range |
| The purpose of wiping away the first drop of blood during skin puncture is | To eliminate tissue fluid contamination |
| The following are lab test that cannot be collected using a capillary puncture except? | Hematocrit (Hct) |
| What is an example of a lab test that a Thick Blood smear preparation test would be used? (Thick blood smear is a drop of blood on slide as big as nickel or quarter) | Malaria |
| What type of tube is typically used to collect a baby Bilirubin specimen? | amber-color microcollection tube |
| What is the most common complication of venipuncture? | Hematoma |
| It is not a good idea to collect a CBC specimen from a screaming infant because the | White blood count may be falsely elevated |
| Tiny red spots (Petechiae) that appear on a patient's arm when the tourniquet is applied are a sign that the | Site may bleed excessively |
| When a test requires a fasting specimen, but the serum is _______________, it is a clue that the patient was not fasting. | Lipemic |
| Why do pregnant patients have lower reference ranges for red blood cell counts? | Blood fluid increases in pregnancy, having a diluting effect on red blood cells |
| You must draw a protime specimen from a patient with IVs in both arms. Which of the following is the best thing to do? Draw the specimen | distal to IV |
| A blood smear made from an EDTA (Lavender top) should be made | Within 1 hour of collection |
| Failure to draw blood during a venipuncture attempt can be caused by a number of procedural errors. All the following are procedural errors that can occur except? | The needle being seated into the vein |
| How long before obtaining blood for testing should drugs known to interfere with blood tests be discontinued? | 4 to 24 hours |
| It is necessary to control depth of lancet insertion during skin puncture to avoid | Bone injury |
| What is Phenylketonuria (PKU) lab test? | A genetic disorder characterized by the inability to metabolize pheylatlanine |
| When doing a skin puncture on a young child how might you hold their hand? | Hold onto three to four fingers to prevent child from moving |
| A skin puncture should be done rather than a venipuncture in all of the following situations except | When a light blue stopper tube is needed |
| What does the term "calcaneus" mean? | Heel bone |
| What is the Clinical and Laboratory Standards Institute (CLSI) recommended maximum depth of heel puncture? | 2.0 mm |
Created by:
Lecia220