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Hematology in Practice 2nd Edition Test Bank

Stay ahead of the curve with Hematology in Practice 2nd Edition Test Bank, a structured guide covering all the essential topics you need.

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Chapter 1: Introduction to Hematology and Basic Laboratory PracticeMultiple ChoiceIdentify the choice that best completes the statement or answers the question.____1.Tube length when referring to the microscope is the:a.Resolution power of the objectiveb.Distance from the eyepiece to the objectivec.Numerical apertured.Magnitude of the image on the stage____2.What is the most useful corrective action for the microscope when fine details cannot be visualizedin immature cells?a.Open up diaphragm for maximum light.b.Wipe off lenses with lens cleaner.c.Get a new slide.d.Move to a lower power.____3.Which of the following behaviors is a violation of standard precautions?a.Handwashing after glove removalb.Use of impermeable laboratory gownsc.Use of goggles and face shieldsd.Placing laboratory notebooks on laboratory work area____4.Standards and calibrators differ from control materials because:a.An exact amount of analyte is present in a standard or calibratorb.A variable amount of analyte is present depending on patient samplesc.Standards only need to be within a target ranged.Standards are run to the best estimate of the known value____5.If the confidence interval for most laboratories is 95.5%, what is the acceptable range forhemoglobin if a hemoglobin control was run with a mean of 12.5 and a standard deviation of1.0?a.9.5 to 12.5b.10.5 to 14.5c.11.5 to 15.5d.10.0 to 13.5____6.Proper mixing of samples and timely delivery of samples to the laboratory are both examplesof:a.Delta checksb.Postanalytic variablesc.Preanalytic variablesd.Reflex testing____7.A delta check is a historical reference on samples run in the laboratories. Once a sample fails a deltacheck, the most obvious corrective action is to:a.Verify the identification of the patient sampleb.Reestablish the parameters of the delta checkc.Perform reflex testing

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Hematology In Practice by Betty Cie...

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