An Older Patient with Cardiac Disease Has Frequent Sleep Problems

question 4

Multiple Choice

An older patient with cardiac disease has frequent sleep problems and insomnia. How would the nurse describe these manifestations?

• A) Abnormal sleep disturbances due to chest pain
• B) Predictive signs of respiratory disease
• C) Negative symptoms of stress and anxiety
• D) Expected manifestations of cardiac disease

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Definitions:

Relative Change

Relative Change represents the ratio of the change in a quantity to the original amount, often expressed as a percentage to indicate how much something has increased or decreased relative to its initial value.

Coefficient Of Correlation

A numerical measure that represents the strength and direction of a linear relationship between two variables.

Covariance

A measure indicating the extent to which two variables change together, revealing whether an increase in one variable tends to be accompanied by an increase (positive covariance) or decrease (negative covariance) in the other.

Distribution

In statistics, a distribution is a function that shows the possible values for a variable and how often they occur.