Which of the Following CD4+ Count Would Be Used to Confirm

question 14

Multiple Choice

Which of the following CD4+ count would be used to confirm the diagnosis of acquired immunodeficiency syndrome (AIDS) ?

• A) 155 cells/mcL
• B) 255 cells/mcL
• C) 455 cells/mcL
• D) 755 cells/mcL

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Definitions:

Random Variables

Variables whose values depend on outcomes of a stochastic (random) phenomenon.

Nature

The intrinsic physical and material world all around us, not made or caused by humankind.

Normal Random Variable

A variable that follows a normal distribution, characterized by its mean and standard deviation.

Z-score

A numerical measurement that describes a value's relationship to the mean of a group of values, measured in terms of standard deviations from the mean.