A 1:20 Dilution of Blood Is Made for a White

question 15

Multiple Choice

A 1:20 dilution of blood is made for a white count,and the following number of cells counted in the four large corner mm² of the hemocytometer: 12,28,18,and 15.What should be done next?

• A)Report the white count as 3.7 × 109/L.
• B)Clean the hemocytometer and recharge with a well-mixed dilution.
• C)Increase the number of mm2 counted.
• D)Compare this cell count to the one on the other side.

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Definitions:

Diffusion Spectrum Imaging

An MRI-based neuroimaging technique that maps the diffusion of water molecules in the brain, indicating the location, orientation, and integrity of brain's white matter tracts.

MEG

Magnetoencephalography, a neuroimaging technique for mapping brain activity by recording magnetic fields produced by neural currents.

MRI

A non-invasive imaging technology that uses a magnetic field and radio waves to create detailed images of the organs and tissues within the body.

Sensory Control Center

The part of the brain responsible for processing and integrating information from the five senses to direct an appropriate response, often associated with the thalamus.