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NURS 231 Module 1 Exam Questions and Complete Solutions Graded A+
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NURS 231 Module 1 Exam Questions and Complete Solutions Graded A+
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NURS 231 Module1 Exam Questions
and Complete
Solutions Graded
A+
Denning [Date] [Course title]
, What is the definition of "pathophysiology"? - Answer: Pathophysiology is defined as not only the
cellular and organ changes that occur with disease, but also the effects that these changes have on total
body function.
Name the 5 etiologic factors and give an example if listed. - Answer: Biologic agents (bacteria, viruses)
physical forces (trauma, burns, radiation)
chemical agents (poisons, alcohol)
one's genetic inheritance
nutritional excesses or deficiencies.
What are the 2 types of risk factors? - Answer: congenital conditions (present at birth)
acquired defects (occurring after birth).
What is the difference between morphology and histology? - Answer: Morphology- the fundamental
structure or form of cells or tissues.
Histology- the study of the cells and extracellular matrix of body tissues.
Describe the difference between signs and symptoms and give an example of each. - Answer: A
symptom is a subjective complaint, for example pain, trouble breathing, or dizziness.
A sign is an objective manifestation, for example an elevated temperature, a swollen extremity, or
changes in pupil size.
What are 3 important processes when coming to a diagnosis? - Answer: The diagnostic process
requires a careful history, physical examination (PE), and sometimes diagnostic tests.
Explain validity, reliability, sensitivity, and specificity. - Answer: Validity is how a tool measures what it
is intended to measure. Reliability is how likely the same result will occur if repeated. Sensitivity is the
proportion of people with a disease who are positive for that disease.
Specificity are people without the disease who are negative on a given test.
Define epidemiology and name some things that it tracks. - Answer: the study of disease occurrence in
human populations.
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