3. DIFFERENTIAL COUNT a. Using the prepared slide, perform a differential count as described in your lab manual. Record your data in the chart below: CELL TYPE Neutrophils Eosinophils Basophils Lymphocytes Monocytes NUMBER OBSERVED
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PHASE Microscope diff count Lab Data Count Percentage Complete the following: Neutrophils Lymphocytes Monocytes Eosinophils Basophils Total Turn objective focus again Move upper-slide Open Lab Data type of WBC slide by clicking corresponding Data How to Identify WBC Coarse focus Count 50 WBC using arrow button through region Stage horizontal vertical GO TO PH MY NOTES LAB DATA Phases
Aarya B.
Activity 3: Conducting a Differential WBC Count 1. Use the slide prepared for the identification of the blood cells in Activity 2 or a prepared slide provided by your instructor. Begin at the edge of the smear and move the slide in a systematic manner on the microscope stage, either up and down or from side to side (as indicated in Figure 29.5 on page 422). 2. Record each type of white blood cell you observe by making a count in the first blank column of the Activity 3 chart on page 422 (for example, |||| || = 7 cells) until you have observed and recorded a total of 100 WBCs. Using the following equation, compute the percentage of each WBC type counted and record the percentages on the Hematologic Test Data Sheet on the last page of the exercise, preceding the Review Sheet.
Madhur L.
1- Differential White Blood Cell Count Data Table. As you identify white blood cells, record the table by using a tally system, such as |||| |. Place tally marks in the "Number Observed" column total each of the five WBCs when the differential count is completed. Obtain a total of all five counted to determine the percent of each WBC type and diagnose the case. Type of WBC Number Observed Total Percent Neutrophil Lymphocyte Monocyte Eosinophil Basophil Total of column
Sri K.
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