NURSING 212 PATHOPHYSIOLOGY EXAM 1 QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS) PLUS RATIONALES
2026 Q&A | INSTANT DOWNLOAD PDF | EASTWICK COLLEGE.
Core Domains
1. Cellular Adaptation, Injury, and Death
2. Inflammation and Tissue Repair
3. Immunity and Immune Disorders
4. Fluid, Electrolyte, and Acid-Base Balance
5. Genetic and Epigenetic Contributions to Disease
6. Neoplasia and Cancer Biology
7. Hemodynamic Disorders (Shock, Thrombosis, Ischemia)
8. Infectious Disease Mechanisms
Introduction
This comprehensive assessment evaluates the knowledge and
competency required of nursing students in NURSING 212
Pathophysiology at Eastwick College. The examination covers
foundational pathophysiological concepts including cellular
adaptation and injury, inflammation, immunity, neoplasia, fluid and
electrolyte balance, acid-base regulation, and hemodynamic
disorders. Questions incorporate both theoretical foundations and
scenario-based decision-making scenarios that mirror real-world
clinical situations. Emphasis is placed on mechanistic
understanding, clinical correlation, and application of evidence-
based pathophysiology knowledge. Candidates must demonstrate
mastery of disease mechanisms, diagnostic reasoning, and the
ability to apply pathophysiological principles to patient care
scenarios. Each item includes a verified correct answer accompanied
by a detailed rationale to reinforce learning and support exam
preparation.
SECTION ONE: QUESTIONS 1–100
,Question 1
A 58-year-old male with a long history of cigarette smoking
presents with chronic bronchitis and demonstrates metaplastic
changes in his bronchial epithelium. The pathologist notes that
the normal columnar ciliated cells have been replaced by stratified
squamous epithelium. This cellular adaptation is best described as
which type of cellular response?
A. Metaplasia, a reversible change in which one adult cell type is
replaced by another more resilient cell type
B. Dysplasia, an abnormal change in cell size and shape indicative
of precancerous transformation
C. Hyperplasia, an increase in the number of cells resulting from
chronic irritation and stimulus
D. Hypertrophy, an increase in cell size due to increased functional
demand on the tissue
🟢 A. Metaplasia, a reversible change in which one adult cell type
is replaced by another more resilient cell type
🔴 RATIONALE: Metaplasia is the reversible replacement of one
differentiated cell type with another, often as an adaptive
response to chronic stress such as smoking. Dysplasia (B) involves
disordered growth and is pre-neoplastic. Hyperplasia (C) is an
increase in cell number, not cell type change. Hypertrophy (D) is
an increase in cell size, not a change in cell type.
Question 2
A 42-year-old female undergoes a thyroidectomy and
subsequently develops severe hypocalcemia. Her parathyroid
glands were inadvertently removed during surgery. At the cellular
level, the lack of parathyroid hormone leads to decreased calcium
availability for cellular processes. Calcium plays which critical role
in cellular function?
,A. Serving as the primary energy source for mitochondrial ATP
production during aerobic metabolism
B. Acting as a second messenger for signal transduction and
regulating membrane permeability and enzyme activity
C. Functioning as the main structural component of the
phospholipid bilayer in cell membranes
D. Serving as the primary transcription factor for DNA replication
during the S phase of the cell cycle
🟢 B. Acting as a second messenger for signal transduction and
regulating membrane permeability and enzyme activity
🔴 RATIONALE: Calcium functions as a critical second messenger
in signal transduction pathways and regulates membrane
permeability, enzyme activity, and muscle contraction. Option A
describes the role of glucose and ADP, not calcium. Option C
incorrectly attributes the structural role of phospholipids to
calcium. Option D describes transcription factors, not calcium's
role.
Question 3
In a cell exposed to chronic hypoxia, which adaptive response is
primarily mediated by hypoxia-inducible factor 1-alpha (HIF-1)
and results in increased oxygen delivery?
A. Metaplasia
B. Dysplasia
C. Angiogenesis
D. Hypertrophy
🟢 C. Angiogenesis
🔴 RATIONALE: HIF-1 is a transcription factor that is activated
under hypoxic conditions and stimulates the expression of
vascular endothelial growth factor (VEGF), leading to angiogenesis
, (new blood vessel formation) to improve oxygen delivery.
Metaplasia (A) is a cell type replacement, dysplasia (B) is
disordered growth, and hypertrophy (D) is an increase in cell size.
Question 4
Which of the following cellular changes is most indicative of
reversible cell injury?
A. Nuclear fragmentation
B. Cellular swelling
C. Plasma membrane rupture
D. Lysosomal rupture
🟢 B. Cellular swelling
🔴 RATIONALE: Cellular swelling is an early, reversible indicator of
cell injury due to impaired ion pumps and water influx. Nuclear
fragmentation and membrane rupture reflect irreversible injury
leading to cell death. Lysosomal rupture releases degradative
enzymes and indicates advanced degeneration.
Question 5
During acute inflammation, which of the following mediators
causes vasodilation and increased vascular permeability?
A. Interferon
B. Histamine
C. Insulin
D. Dopamine
🟢 B. Histamine
🔴 RATIONALE: Histamine, released from mast cells and
basophils, is a key mediator in acute inflammation that causes
arteriolar vasodilation and increased capillary permeability,
allowing plasma proteins and leukocytes to exit vessels into
CORRECT ANSWERS (VERIFIED ANSWERS) PLUS RATIONALES
2026 Q&A | INSTANT DOWNLOAD PDF | EASTWICK COLLEGE.
Core Domains
1. Cellular Adaptation, Injury, and Death
2. Inflammation and Tissue Repair
3. Immunity and Immune Disorders
4. Fluid, Electrolyte, and Acid-Base Balance
5. Genetic and Epigenetic Contributions to Disease
6. Neoplasia and Cancer Biology
7. Hemodynamic Disorders (Shock, Thrombosis, Ischemia)
8. Infectious Disease Mechanisms
Introduction
This comprehensive assessment evaluates the knowledge and
competency required of nursing students in NURSING 212
Pathophysiology at Eastwick College. The examination covers
foundational pathophysiological concepts including cellular
adaptation and injury, inflammation, immunity, neoplasia, fluid and
electrolyte balance, acid-base regulation, and hemodynamic
disorders. Questions incorporate both theoretical foundations and
scenario-based decision-making scenarios that mirror real-world
clinical situations. Emphasis is placed on mechanistic
understanding, clinical correlation, and application of evidence-
based pathophysiology knowledge. Candidates must demonstrate
mastery of disease mechanisms, diagnostic reasoning, and the
ability to apply pathophysiological principles to patient care
scenarios. Each item includes a verified correct answer accompanied
by a detailed rationale to reinforce learning and support exam
preparation.
SECTION ONE: QUESTIONS 1–100
,Question 1
A 58-year-old male with a long history of cigarette smoking
presents with chronic bronchitis and demonstrates metaplastic
changes in his bronchial epithelium. The pathologist notes that
the normal columnar ciliated cells have been replaced by stratified
squamous epithelium. This cellular adaptation is best described as
which type of cellular response?
A. Metaplasia, a reversible change in which one adult cell type is
replaced by another more resilient cell type
B. Dysplasia, an abnormal change in cell size and shape indicative
of precancerous transformation
C. Hyperplasia, an increase in the number of cells resulting from
chronic irritation and stimulus
D. Hypertrophy, an increase in cell size due to increased functional
demand on the tissue
🟢 A. Metaplasia, a reversible change in which one adult cell type
is replaced by another more resilient cell type
🔴 RATIONALE: Metaplasia is the reversible replacement of one
differentiated cell type with another, often as an adaptive
response to chronic stress such as smoking. Dysplasia (B) involves
disordered growth and is pre-neoplastic. Hyperplasia (C) is an
increase in cell number, not cell type change. Hypertrophy (D) is
an increase in cell size, not a change in cell type.
Question 2
A 42-year-old female undergoes a thyroidectomy and
subsequently develops severe hypocalcemia. Her parathyroid
glands were inadvertently removed during surgery. At the cellular
level, the lack of parathyroid hormone leads to decreased calcium
availability for cellular processes. Calcium plays which critical role
in cellular function?
,A. Serving as the primary energy source for mitochondrial ATP
production during aerobic metabolism
B. Acting as a second messenger for signal transduction and
regulating membrane permeability and enzyme activity
C. Functioning as the main structural component of the
phospholipid bilayer in cell membranes
D. Serving as the primary transcription factor for DNA replication
during the S phase of the cell cycle
🟢 B. Acting as a second messenger for signal transduction and
regulating membrane permeability and enzyme activity
🔴 RATIONALE: Calcium functions as a critical second messenger
in signal transduction pathways and regulates membrane
permeability, enzyme activity, and muscle contraction. Option A
describes the role of glucose and ADP, not calcium. Option C
incorrectly attributes the structural role of phospholipids to
calcium. Option D describes transcription factors, not calcium's
role.
Question 3
In a cell exposed to chronic hypoxia, which adaptive response is
primarily mediated by hypoxia-inducible factor 1-alpha (HIF-1)
and results in increased oxygen delivery?
A. Metaplasia
B. Dysplasia
C. Angiogenesis
D. Hypertrophy
🟢 C. Angiogenesis
🔴 RATIONALE: HIF-1 is a transcription factor that is activated
under hypoxic conditions and stimulates the expression of
vascular endothelial growth factor (VEGF), leading to angiogenesis
, (new blood vessel formation) to improve oxygen delivery.
Metaplasia (A) is a cell type replacement, dysplasia (B) is
disordered growth, and hypertrophy (D) is an increase in cell size.
Question 4
Which of the following cellular changes is most indicative of
reversible cell injury?
A. Nuclear fragmentation
B. Cellular swelling
C. Plasma membrane rupture
D. Lysosomal rupture
🟢 B. Cellular swelling
🔴 RATIONALE: Cellular swelling is an early, reversible indicator of
cell injury due to impaired ion pumps and water influx. Nuclear
fragmentation and membrane rupture reflect irreversible injury
leading to cell death. Lysosomal rupture releases degradative
enzymes and indicates advanced degeneration.
Question 5
During acute inflammation, which of the following mediators
causes vasodilation and increased vascular permeability?
A. Interferon
B. Histamine
C. Insulin
D. Dopamine
🟢 B. Histamine
🔴 RATIONALE: Histamine, released from mast cells and
basophils, is a key mediator in acute inflammation that causes
arteriolar vasodilation and increased capillary permeability,
allowing plasma proteins and leukocytes to exit vessels into
