A laboratory scientist working in the hematology department receives a patient sample for a CBC. The scientist checks the sample for clots and mixes the tube well. They place the tube on the instruments and await the results. The results indicate that there are elevated numbers of white blood cells, with a large majority of lymphocytes. This resulted in the addition of a differential examination. The lab scientist then prepares a stained peripheral push smear for differential review. Once dry, the slide is placed on the microscope for review. When scanning with 10x objective, the lab scientist finds the feathered edge and changes to an objective with higher magnification. On higher magnification the lab scientist has difficulty finding a clear view. The view is foggy and lacks resolution. When the scientist checks the sample of clots and mixes the tube before testing, they are checking for what kind of variable that could have an effect on testing? The laboratory scientist knew that the white blood cell count was elevated because the results were outside of the _. The consequent addition of the differential based on abnormal results is an example of what? While making the peripheral push smear, what PPE would be appropriate for the lab scientist to wear? After finding the feathered edge with the 10x objective, which objective would be appropriate to use for review of cellular characteristics? What could be the problem with the view when using the higher magnification?

Basic Clinical Laboratory Techniques 6E

6th Edition

ISBN:9781133893943

Author:ESTRIDGE

Publisher:ESTRIDGE

Chapter2: Basic Hematology

Section2.13: Erythrocyte Sedimentation Rate

Problem 1CT

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A laboratory scientist working in the hematology department receives a patient sample for a CBC. The scientist checks the sample for clots and mixes the tube well. They place the tube on the instruments and await the results. The results indicate that there are elevated numbers of white blood cells, with a large majority of lymphocytes. This resulted in the addition of a differential examination. The lab scientist then prepares a stained peripheral push smear for differential review. Once dry, the slide is placed on the microscope for review. When scanning with 10x objective, the lab scientist finds the feathered edge and changes to an objective with higher magnification. On higher magnification the lab scientist has difficulty finding a clear view. The view is foggy and lacks resolution. When the scientist checks the sample of clots and mixes the tube before testing, they are checking for what kind of variable that could have an effect on testing? The laboratory scientist knew that the white blood cell count was elevated because the results were outside of the ______ _______. The consequent addition of the differential based on abnormal results is an example of what? While making the peripheral push smear, what PPE would be appropriate for the lab scientist to wear? After finding the feathered edge with the 10x objective, which objective would be appropriate to use for review of cellular characteristics? What could be the problem with the view when using the higher magnification?

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