Which of the Following Statements About Keshan Disease Is FALSE

question 44

Multiple Choice

Which of the following statements about Keshan disease is FALSE?

• A)A virus appears to be involved.
• B)It causes an enlarged heart and poor heart function.
• C)Middle aged men are most at risk.
• D)Keshan disease occurred in areas of China where soil selenium is very low.

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Definitions:

Standard Deviation

A measure that quantifies the amount of variation or dispersion of a set of data values.

Sleep

A natural, reversible state of reduced responsiveness to external stimuli and diminished activity of the body, essential for physical and mental restoration.

Confidence

The degree of certainty or trust one can place in a particular result or conclusion, often expressed as a percentage in statistical analyses.

Observations

Elements of a sample or population that have been collected and can be analyzed statistically.