NR507 | Week 8
OBJECTIVE ASSESSMENT - EXAM
Advanced
Pathophysiology
NR507 Final Exam | Chamberlain
100 100% 2026/2027
QUESTIONS VERIFIED ANSWERS EDITION
TOPICS COVERED
Cellular Adaptation & Injury Mechanisms Neurologic & Endocrine Disorders
Inflammation & Immune System Disorders Renal & Gastrointestinal Pathophysiology
Cardiovascular & Respiratory Pathophysiology
COVER PAGE - 1
,SECTION 1 | Cellular Adaptation & Injury Mechanisms | Q1-Q20
NR507 Advanced Pathophysiology Final Exam 2026/2027
Q1 Question 1 of 100
A 62-year-old male with a 40-pack-year smoking history presents with chronic cough and weight
loss. A biopsy of the lung mass reveals cells with large, hyperchromatic, irregular nuclei and mitotic
figures. What cellular alteration is most consistent with these findings?
A. Metaplasia of bronchial epithelium
B. Anaplasia indicative of malignant transformation
C. Hypertrophy of alveolar cells
D. Hyperplasia of bronchial glands
Correct Answer: B
Rationale:
Anaplasia is characterized by cells with large, hyperchromatic, irregular nuclei, abundant mitotic figures, and
loss of normal cellular architecture, all hallmarks of malignant transformation. Metaplasia involves replacement
of one cell type with another, not nuclear atypia. Hypertrophy is an increase in cell size without nuclear
irregularity. Hyperplasia refers to increased cell number without the malignant features described.
Q2 Question 2 of 100
A 55-year-old female with chronic gastroesophageal reflux disease undergoes upper endoscopy.
Biopsy of the distal esophagus reveals replacement of the normal squamous epithelium with
columnar epithelium containing goblet cells. What is the most accurate description of this cellular
adaptation?
A. Dysplasia resulting from chronic inflammation
B. Hyperplasia of esophageal glands
C. Metaplasia as an adaptive response to chronic acid exposure
D. Atrophy due to prolonged reflux injury
Correct Answer: C
Rationale:
Barrett esophagus represents intestinal metaplasia, where chronic acid exposure causes replacement of
squamous epithelium with columnar epithelium containing goblet cells as an adaptive response. Dysplasia
involves disordered cellular development with atypia, not a change in cell type. Hyperplasia increases cell
number without changing cell type. Atrophy refers to cell shrinkage or loss, not replacement with a different cell
type.
NR507 Advanced Pathophysiology Final Exam - 2026/2027 | Passing Score: 80% | Page 2 of 52
,SECTION 1 | Cellular Adaptation & Injury Mechanisms | Q1-Q20
NR507 Advanced Pathophysiology Final Exam 2026/2027
Q3 Question 3 of 100
A 48-year-old male construction worker presents with thickened, calloused palms after years of
manual labor. Microscopic examination would most likely reveal which cellular adaptation?
A. Hypertrophy of epidermal cells
B. Hyperplasia of the stratum corneum
C. Metaplasia of dermal fibroblasts
D. Dysplasia of epidermal keratinocytes
Correct Answer: B
Rationale:
Callus formation results from hyperplasia, an increase in the number of cells in the stratum corneum as a
protective response to repeated friction. Hypertrophy involves an increase in cell size rather than number.
Metaplasia involves replacement of one cell type with another, which does not occur here. Dysplasia implies
disordered growth with atypia, not a normal protective response.
Q4 Question 4 of 100
A 70-year-old female with a history of aortic stenosis has an echocardiogram showing significant
left ventricular wall thickening. What cellular mechanism best explains this finding?
A. Hyperplasia of cardiac myocytes in response to increased afterload
B. Hypertrophy of individual cardiac myocytes due to increased workload
C. Metaplasia of endocardial cells under pressure stress
D. Dysplasia of ventricular myocardium secondary to valve disease
Correct Answer: B
Rationale:
Cardiac myocytes undergo hypertrophy, an increase in individual cell size, as a compensatory response to the
increased afterload caused by aortic stenosis. Cardiac myocytes are terminally differentiated and cannot
undergo hyperplasia. Metaplasia involves cell type replacement and does not occur in myocardium. Dysplasia
implies abnormal cellular changes that are not part of this compensatory mechanism.
NR507 Advanced Pathophysiology Final Exam - 2026/2027 | Passing Score: 80% | Page 3 of 52
, SECTION 1 | Cellular Adaptation & Injury Mechanisms | Q1-Q20
NR507 Advanced Pathophysiology Final Exam 2026/2027
Q5 Question 5 of 100
A researcher examines a tissue specimen from a patient with iron overload and notes
golden-brown intracellular pigment deposits that stain positive with Prussian blue. What is the most
likely substance and mechanism of accumulation?
A. Lipofuscin from free radical injury and autophagic digestion
B. Hemosiderin resulting from breakdown of hemoglobin in macrophages
C. Bilirubin from impaired hepatic conjugation
D. Melanin from excessive melanocyte activity
Correct Answer: B
Rationale:
Hemosiderin is an iron-containing, golden-brown pigment that accumulates in macrophages after hemoglobin
breakdown and stains positive with Prussian blue. Lipofuscin is a wear-and-tear pigment that does not stain
with Prussian blue. Bilirubin is a bile pigment associated with jaundice, not iron storage. Melanin is produced by
melanocytes and is not iron-related.
Q6 Question 6 of 100
A 35-year-old male suffers severe burns covering 40% of his total body surface area. Within hours,
massive fluid shifts occur. What cellular injury mechanism is most directly responsible for the
swelling observed in the burned tissue?
A. Increased oncotic pressure pulling fluid into the interstitial space
B. Increased protein synthesis leading to cellular swelling
C. Lymphatic obstruction preventing drainage of interstitial fluid
D. Loss of membrane integrity with sodium influx and water following osmotically
Correct Answer: D
Rationale:
Thermal injury disrupts cell membrane integrity, allowing sodium to rush into the cell down its concentration
gradient, with water following osmotically, resulting in cellular swelling and interstitial edema. Increased oncotic
pressure would draw fluid into vessels, not out. Lymphatic obstruction is not the primary mechanism in acute
burns. Increased protein synthesis does not cause the acute swelling seen in burn injuries.
NR507 Advanced Pathophysiology Final Exam - 2026/2027 | Passing Score: 80% | Page 4 of 52
OBJECTIVE ASSESSMENT - EXAM
Advanced
Pathophysiology
NR507 Final Exam | Chamberlain
100 100% 2026/2027
QUESTIONS VERIFIED ANSWERS EDITION
TOPICS COVERED
Cellular Adaptation & Injury Mechanisms Neurologic & Endocrine Disorders
Inflammation & Immune System Disorders Renal & Gastrointestinal Pathophysiology
Cardiovascular & Respiratory Pathophysiology
COVER PAGE - 1
,SECTION 1 | Cellular Adaptation & Injury Mechanisms | Q1-Q20
NR507 Advanced Pathophysiology Final Exam 2026/2027
Q1 Question 1 of 100
A 62-year-old male with a 40-pack-year smoking history presents with chronic cough and weight
loss. A biopsy of the lung mass reveals cells with large, hyperchromatic, irregular nuclei and mitotic
figures. What cellular alteration is most consistent with these findings?
A. Metaplasia of bronchial epithelium
B. Anaplasia indicative of malignant transformation
C. Hypertrophy of alveolar cells
D. Hyperplasia of bronchial glands
Correct Answer: B
Rationale:
Anaplasia is characterized by cells with large, hyperchromatic, irregular nuclei, abundant mitotic figures, and
loss of normal cellular architecture, all hallmarks of malignant transformation. Metaplasia involves replacement
of one cell type with another, not nuclear atypia. Hypertrophy is an increase in cell size without nuclear
irregularity. Hyperplasia refers to increased cell number without the malignant features described.
Q2 Question 2 of 100
A 55-year-old female with chronic gastroesophageal reflux disease undergoes upper endoscopy.
Biopsy of the distal esophagus reveals replacement of the normal squamous epithelium with
columnar epithelium containing goblet cells. What is the most accurate description of this cellular
adaptation?
A. Dysplasia resulting from chronic inflammation
B. Hyperplasia of esophageal glands
C. Metaplasia as an adaptive response to chronic acid exposure
D. Atrophy due to prolonged reflux injury
Correct Answer: C
Rationale:
Barrett esophagus represents intestinal metaplasia, where chronic acid exposure causes replacement of
squamous epithelium with columnar epithelium containing goblet cells as an adaptive response. Dysplasia
involves disordered cellular development with atypia, not a change in cell type. Hyperplasia increases cell
number without changing cell type. Atrophy refers to cell shrinkage or loss, not replacement with a different cell
type.
NR507 Advanced Pathophysiology Final Exam - 2026/2027 | Passing Score: 80% | Page 2 of 52
,SECTION 1 | Cellular Adaptation & Injury Mechanisms | Q1-Q20
NR507 Advanced Pathophysiology Final Exam 2026/2027
Q3 Question 3 of 100
A 48-year-old male construction worker presents with thickened, calloused palms after years of
manual labor. Microscopic examination would most likely reveal which cellular adaptation?
A. Hypertrophy of epidermal cells
B. Hyperplasia of the stratum corneum
C. Metaplasia of dermal fibroblasts
D. Dysplasia of epidermal keratinocytes
Correct Answer: B
Rationale:
Callus formation results from hyperplasia, an increase in the number of cells in the stratum corneum as a
protective response to repeated friction. Hypertrophy involves an increase in cell size rather than number.
Metaplasia involves replacement of one cell type with another, which does not occur here. Dysplasia implies
disordered growth with atypia, not a normal protective response.
Q4 Question 4 of 100
A 70-year-old female with a history of aortic stenosis has an echocardiogram showing significant
left ventricular wall thickening. What cellular mechanism best explains this finding?
A. Hyperplasia of cardiac myocytes in response to increased afterload
B. Hypertrophy of individual cardiac myocytes due to increased workload
C. Metaplasia of endocardial cells under pressure stress
D. Dysplasia of ventricular myocardium secondary to valve disease
Correct Answer: B
Rationale:
Cardiac myocytes undergo hypertrophy, an increase in individual cell size, as a compensatory response to the
increased afterload caused by aortic stenosis. Cardiac myocytes are terminally differentiated and cannot
undergo hyperplasia. Metaplasia involves cell type replacement and does not occur in myocardium. Dysplasia
implies abnormal cellular changes that are not part of this compensatory mechanism.
NR507 Advanced Pathophysiology Final Exam - 2026/2027 | Passing Score: 80% | Page 3 of 52
, SECTION 1 | Cellular Adaptation & Injury Mechanisms | Q1-Q20
NR507 Advanced Pathophysiology Final Exam 2026/2027
Q5 Question 5 of 100
A researcher examines a tissue specimen from a patient with iron overload and notes
golden-brown intracellular pigment deposits that stain positive with Prussian blue. What is the most
likely substance and mechanism of accumulation?
A. Lipofuscin from free radical injury and autophagic digestion
B. Hemosiderin resulting from breakdown of hemoglobin in macrophages
C. Bilirubin from impaired hepatic conjugation
D. Melanin from excessive melanocyte activity
Correct Answer: B
Rationale:
Hemosiderin is an iron-containing, golden-brown pigment that accumulates in macrophages after hemoglobin
breakdown and stains positive with Prussian blue. Lipofuscin is a wear-and-tear pigment that does not stain
with Prussian blue. Bilirubin is a bile pigment associated with jaundice, not iron storage. Melanin is produced by
melanocytes and is not iron-related.
Q6 Question 6 of 100
A 35-year-old male suffers severe burns covering 40% of his total body surface area. Within hours,
massive fluid shifts occur. What cellular injury mechanism is most directly responsible for the
swelling observed in the burned tissue?
A. Increased oncotic pressure pulling fluid into the interstitial space
B. Increased protein synthesis leading to cellular swelling
C. Lymphatic obstruction preventing drainage of interstitial fluid
D. Loss of membrane integrity with sodium influx and water following osmotically
Correct Answer: D
Rationale:
Thermal injury disrupts cell membrane integrity, allowing sodium to rush into the cell down its concentration
gradient, with water following osmotically, resulting in cellular swelling and interstitial edema. Increased oncotic
pressure would draw fluid into vessels, not out. Lymphatic obstruction is not the primary mechanism in acute
burns. Increased protein synthesis does not cause the acute swelling seen in burn injuries.
NR507 Advanced Pathophysiology Final Exam - 2026/2027 | Passing Score: 80% | Page 4 of 52
