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Questions and Answers
What is the dilution of blood when using this method?
What should be avoided when mixing the content of the pipette?
What is the correct angle to hold the pipette when touching the tip to the space between coverslip and counting platform?
Study Notes
- Draw blood from finger puncture
- Pipette white cells to mark 0.5
- Dip tip in white cells solution
- Suck fluid up to mark 11
- Mix content thoroughly, avoid air bubbles
- Dilution of blood is 0.5 in 10 (1/20)
- Blow out 1/3 of bulb to wash away diluting fluid
- Hold pipette at 45 degree angle, touch tip to space between coverslip and counting platform
- Count total number of white cells in one large square of 1 sq.mm.
- Use low power objective on microscope to focus on ruled area in center of platform.
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Description
Test your knowledge on the proper technique for counting white blood cells with this quiz! Learn how to properly dilute blood, use a pipette, and count white cells under a microscope. Brush up on your laboratory skills and impress your colleagues with your expertise. Keywords: blood, white cells, pipette, dilution, microscope, laboratory.
