➢ Updated 2 Version Exam + Study Guide
➢ True & False Questions
➢ Multiple Choice Questions and Answers
➢ Expert-Verified Explanations
Table of Contents
BIOD 331 MODULE 1 EXAM VERSION 1 ..................................................... 2
BIOD 331 MODULE 1 EXAM VERSION 2 ................................................... 11
BIOD 331 MODULE 1 EXAM STUDY GUIDE .............................................. 27
BIOD 331 MODULE 1 EXAM VERSION 1
1. True/False:
Hypertrophy can occur under normal and pathological conditions.
Correct Answer: True
Verified Explanation: Hypertrophy refers to the increase in size of cells
and consequently the affected organ. It can be physiologic, such as
,muscle growth from exercise, or pathologic, as in cardiac hypertrophy
from hypertension.
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2. Match the definitions:
a. Sensitivity: Proportion of people _with_ a disease who test positive for
the disease.
b. Reliability: Likelihood of obtaining the same result with repeat
testing.
c. Validity: The degree to which a tool measures what it is intended to
measure.
d. Specificity: Proportion of people _without_ a disease who test
negative.
Verified Explanation: Sensitivity and specificity reflect a test's accuracy;
validity denotes its appropriateness, while reliability refers to its
consistency regardless of the operator.
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3. Which are true of the mitochondria? (Select all that apply):
Correct Answer:
- They are involved in cellular respiration.
- They play a role in apoptosis.
, Verified Explanation: Mitochondria are the site of aerobic respiration and
ATP production and are critical mediators of apoptosis via the cytochrome
c pathway.
4. True/False:
Persistent metaplasia can lead to dysplasia.
Correct Answer: True
Verified Explanation: Metaplasia is a reversible change in which one cell
type replaces another. If the injurious stimulus persists, metaplastic
tissue may undergo additional genetic and morphologic changes, evolving
into dysplasia, which is a preneoplastic lesion (a precursor to cancer).
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5. True/False:
Barrett esophagus is an example of dysplasia.
Correct Answer: False
Verified Explanation: Barrett esophagus is characterized by the
replacement of the normal squamous epithelium of the esophagus with
columnar epithelium, a classic example of metaplasia, not dysplasia.
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6. True/False: