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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 ................................................... 10
BIOD 331 MODULE 1 EXAM STUDY GUIDE ... Error! Bookmark not defined.
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.
---
, 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.
---
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).
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 ................................................... 10
BIOD 331 MODULE 1 EXAM STUDY GUIDE ... Error! Bookmark not defined.
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.
---
, 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.
---
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).
