A Form of Arthritis That First Affects the Spine and Adjacent

question 48

Multiple Choice

A form of arthritis that first affects the spine and adjacent structures and,as it progresses,causes a forward bend of the spine is

• A)osteoporosis.
• B)myasthenia gravis.
• C)ankylosing spondylitis.
• D)rheumatoid arthritis.

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Definitions:

T Value

A calculated value from a t-test used to compare the differences between means in relation to the variation in sample data.

Sample Size

The number of observations or data points collected in a study or used in a statistical analysis.

Interval Estimate

An estimate of a population parameter that provides a range of values, defined by lower and upper bounds, that is likely to contain the parameter of interest.

Z Value

A statistic indicating how many standard deviations an element is from the mean in a normal distribution.