MEDICINE MCQ
HAEMATOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -The hemacytometer chamber (Figure 1.2) is used to count both white and red blood cells. The large square areas indicated by the numbers 1, 2, 3, and 4 in the figure are used for counting white blood cells. The area indicated by the number 5 is used for counting red blood cells.
Detailed explanation-2: -Total leucocyte count Calculations: These are counted in the four large corner squares labeled as WBC and if the number is Y. One large area is 1 x 1 mm, and the depth is 0.1 mm. Total area counted in 4 large squares = 4 x 1 x o. 1 = 0.4 µL (4/10).
Detailed explanation-3: -Because the dilution to perform for RBCs is larger than the one for WBC, so a larger volume of dilution fluid is needed.
Detailed explanation-4: -Prepare fresh blood smears. Set the microscope lens at 40X. Begin by counting all leukocytes in the first field. Continue to count leukocytes until you have counted 10 fields, noting the total in each field separately. More items