NURS 231 Pathophysiology Exam 1.pdf file:///C:/Users/HP/Desktop/New%20folder/NURS%20231%20Pathop
NURS 231 Portage Pathophysiology Exam 1
Questions & Answers
1. Definition of Pathophysiology:
Answer 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.
2. 5 etiologic factors and an example of each:
Answer Biological: bacteria and viruses Physical: trauma, burns, and radiation
Chemical: poisons, drugs One's
genetic inheritance
Nutritional excesses or deficiencies
3. 2 types of risk factors:
Answer congenital factors (present at birth) or acquired (occurring after birth)
4. Difference between morphology and histology:
1/
1 of 13 12/16/2024, 5:31
,NURS 231 Pathophysiology Exam 1.pdf file:///C:/Users/HP/Desktop/New%20folder/NURS%20231%20Pathop
Answer Morphology - fundamental structure or form of cells or tissues (includes
the gross and microscopic changes) Histology - study of the cells and extracellular
matrix of body tissues (at the tissue level)
5. Signs and symptoms:
Answer Signs - objective and can be seen or measured. Elevated temp, leg edema, and
changes in pupil size.
symptoms - subjective. pain, trouble breathing, dizziness.
6. 3 important processes when coming to a diagnosis
Answer Patient history, physical examination, and diagnostic tests.
7. Validity, reliability, sensitivity, and specificity definitions.:
Answer Validity - how a tool measure what it is intended to measure.
Reliability - likelihood the same result occurring with multiple testing.
Sensitivity - 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.
2/
2 of 13 12/16/2024, 5:31
NURS 231 Portage Pathophysiology Exam 1
Questions & Answers
1. Definition of Pathophysiology:
Answer 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.
2. 5 etiologic factors and an example of each:
Answer Biological: bacteria and viruses Physical: trauma, burns, and radiation
Chemical: poisons, drugs One's
genetic inheritance
Nutritional excesses or deficiencies
3. 2 types of risk factors:
Answer congenital factors (present at birth) or acquired (occurring after birth)
4. Difference between morphology and histology:
1/
1 of 13 12/16/2024, 5:31
,NURS 231 Pathophysiology Exam 1.pdf file:///C:/Users/HP/Desktop/New%20folder/NURS%20231%20Pathop
Answer Morphology - fundamental structure or form of cells or tissues (includes
the gross and microscopic changes) Histology - study of the cells and extracellular
matrix of body tissues (at the tissue level)
5. Signs and symptoms:
Answer Signs - objective and can be seen or measured. Elevated temp, leg edema, and
changes in pupil size.
symptoms - subjective. pain, trouble breathing, dizziness.
6. 3 important processes when coming to a diagnosis
Answer Patient history, physical examination, and diagnostic tests.
7. Validity, reliability, sensitivity, and specificity definitions.:
Answer Validity - how a tool measure what it is intended to measure.
Reliability - likelihood the same result occurring with multiple testing.
Sensitivity - 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.
2/
2 of 13 12/16/2024, 5:31
