Approximately One Month Upon Return from a River Rafting Trip

question 34

Multiple Choice

Approximately one month upon return from a river rafting trip in South America,a college student develops a fever accompanied by chills,muscle aches,and abdominal discomfort.After being examined by physicians at the university health center,the student is referred to an infectious disease specialist where a diagnosis of schistosomiasis is made.Schistosoma is a helminth that contaminates freshwater in areas that lack proper sanitation,and often leads to infection when the water is used for swimming or bathing.In this case,bloodwork from the student would most likely reveal an elevation in which of the following cells?

• A)Eosinophils
• B)Basophils
• C)Erythrocytes
• D)Platelets

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Definitions:

Z-scores

A statistical measurement of a score’s relationship to the mean in a group of scores, indicating how many standard deviations an element is from the mean.

Standard Normal Distribution

A probability distribution that has a mean of zero and a standard deviation of one, commonly represented in statistics.

Less Than

A mathematical comparison indicating that one value is smaller than another.

Z-scores

Scores that are normalized to show the number of standard deviations a data point is away from the average.