Deficiency in ________ Is Associated with Irreversible Mental Impairment

question 49

Multiple Choice

Deficiency in ________ is associated with irreversible mental impairment.

• A) iron 
• B) iodine 
• C) vitamin C 
• D) vitamin A 
• E) zinc

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Definitions:

Variables

Elements, features, or factors that are likely to vary or change within the context of a scientific study or experiment.

Correlation Coefficients

Statistical measures that indicate the extent to which two or more variables fluctuate together, ranging from -1 to 1, where 1 indicates a perfect positive correlation and -1 indicates a perfect negative correlation.

Cause and Effect

A relationship between events or things, where one is the result of the other or others, a combination of action and reaction.

Negatively Correlated

Describes a relationship between two variables where one variable increases as the other decreases.