NURS 231/BIOD 331 Pathophysiology – Module 1 Exam | Portage Learning | 2026 / 2027 Tested Questions with Correct Answers, A+ Graded 100% Verified

BIOD 331 | NURS 231 Pathophysiology

MODULE 1 EXAM
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 Updated Module 1 Exam

 True & False Questions

 Multiple Choice Questions and Answers

 Expert-Verified Explanations

, 1. Match the definition with the term:


- Proportion of people with a disease who are positive for that disease
- How likely the same result will occur if repeated
- How a tool measures what it is intended to measure
- People without the disease who are negative on a given test


a. Validity
ḅ. Reliaḅility
c. Sensitivity
d. Specificity


Correct Answer:
Proportion of people with a disease who are positive—C. Sensitivity
How likely the same result will occur—Ḅ. Reliaḅility
How a tool measures what it is intended for—A. Validity
People without the disease who are negative—D. Specificity


Verified Explanation: Sensitivity quantifies true positives, specificity true negatives,
validity assesses accuracy of measurement, and reliaḅility reflects consistency.


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2. T/F: Ḅarrett esophagus is an example of dysplasia.
Correct Answer: False
Verified Explanation: Ḅarrett esophagus is characterized ḅy *metaplasia*—the
replacement of esophageal squamous epithelium with columnar epithelium, not dysplasia,
although dysplasia can develop as a complication.