Hydrodynamic Focusing Is Used in Automated Cell-Counting Instruments To

question 20

Multiple Choice

Hydrodynamic focusing is used in automated cell-counting instruments to:

• A) Prevent coincidence passage through the detection aperture
• B) Increase the visibility of the cells passing through the aperture
• C) Allow for maximal light absorbance through the cells passing through the aperture
• D) Ensure adequate uptake of fluorescent staining by the cells

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Definitions:

Lower Tail

The lower tail of a distribution refers to the section of the distribution that contains the smaller values, often used in the context of probabilities and statistical significance.

Confidence Interval

An array of values, extracted from sample statistics, considered likely to have within it the value of an unknown population parameter.

Population Variance

Population variance is a measure of the dispersion among numbers in a population set, indicating how much individual numbers differ from the population mean.

Normally Distributed

A distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.