After completing this section of the chapter, you should be able to meet the following objectives:
♦ State the World Health Organization definition of health
♦ Describe the function of adaptation as it relates to health
and disease
♦ State a definition of pathophysiology
♦ Characterize the disease process in terms of etiology,
pathogenesis, morphology, clinical manifestations,
and prognosis
♦ Explain the meanings of reliability, validity, sensitivity,
specificity, and predictive value as they relate to
observations and tests used in the diagnosis of disease
What constitutes health and disease often is difficult to determine because of the way different people view the topic. What is defined as health is determined by many factors, including heredity, age and sex, cultural and ethnic differences, as well as individual, group, and governmental expectations.
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