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NURS 231 PATHOPHYSIOLOGY ALL MODULE EXAMS
2026/2027 | Comprehensive Cumulative Final | Portage
Learning | Graded A+ | Pass Guaranteed
MODULE 1: CELLULAR ADAPTATION, INJURY & NEOPLASIA
(Questions 1-20)
Q1. A 68-year-old male with a history of benign prostatic hyperplasia presents with
bilateral hydronephrosis. The renal cortex is noted to be thinned on ultrasound. Which
cellular adaptation best explains this finding?
A. Hypertrophy
B. Hyperplasia
C. Atrophy
D. Metaplasia
Correct Answer: C
Rationale: Atrophy is a decrease in cell size and organ mass due to decreased
workload, loss of innervation, or inadequate nutrition. Chronic urinary obstruction from
BPH reduces renal blood flow and workload, causing cortical atrophy. Hypertrophy (A)
involves increased cell size, hyperplasia (B) involves increased cell number, and
metaplasia (D) involves reversible replacement of one differentiated cell type with
another—none fit this scenario.
Q2. A weightlifter demonstrates significantly increased biceps muscle mass after 6
months of training. This cellular adaptation is characterized by:
A. Increased cell number through mitosis
B. Increased cell size without cell division
C. Replacement of muscle cells with fibrous tissue
D. Decreased cell size due to disuse
,2
Correct Answer: B
Rationale: Hypertrophy is an increase in cell size (not number) in response to
increased functional demand. Skeletal muscle cells are post-mitotic and cannot undergo
hyperplasia (A). Fibrous replacement (C) describes fibrosis, and decreased cell size (D)
describes atrophy.
Q3. A 45-year-old smoker develops squamous cell metaplasia in the bronchial
epithelium. This adaptation is best described as:
A. An irreversible change to a less differentiated cell type
B. A reversible change from one differentiated cell type to another
C. An increase in cell number in response to chronic irritation
D. A disordered, pre-neoplastic proliferation of cells
Correct Answer: B
Rationale: Metaplasia is a reversible adaptive change where one mature differentiated
cell type is replaced by another mature cell type better suited to withstand stress.
Bronchial pseudostratified ciliated columnar epithelium transforming to squamous
epithelium protects against smoke irritation. Dysplasia (D) is pre-neoplastic,
hyperplasia (C) increases cell number, and metaplasia is reversible, not irreversible (A).
Q4. A 55-year-old woman with chronic gastroesophageal reflux disease develops
Barrett's esophagus. This represents which type of cellular adaptation?
A. Dysplasia
B. Metaplasia
C. Anaplasia
D. Hyperplasia
Correct Answer: B
Rationale: Barrett's esophagus is intestinal metaplasia—replacement of normal
squamous esophageal epithelium with columnar epithelium containing goblet cells due
to chronic acid exposure. While this increases adenocarcinoma risk, it remains an
,3
adaptive metaplastic change. Dysplasia (A) involves disordered maturation, anaplasia
(C) is loss of differentiation in malignancy, and hyperplasia (D) increases cell number.
Q5. A liver biopsy from a patient with hepatitis shows hepatocytes with ballooning
degeneration, fatty change, and Councilman bodies. These Councilman bodies
represent:
A. Coagulative necrosis
B. Apoptotic hepatocytes
C. Viral inclusion bodies
D. Regenerating hepatocytes
Correct Answer: B
Rationale: Councilman bodies are shrunken, eosinophilic hepatocytes with pyknotic
nuclei representing apoptosis (programmed cell death) in viral hepatitis. They result
from cytotoxic T-cell-mediated killing of infected hepatocytes. Coagulative necrosis (A)
preserves cellular architecture, viral inclusions (C) are intracellular viral particles, and
regenerating hepatocytes (D) would show mitotic figures.
Q6. A patient suffers a myocardial infarction. Three days post-infarction, the
myocardium shows preserved tissue architecture with loss of nuclei and increased
eosinophilia. This microscopic appearance is characteristic of:
A. Liquefactive necrosis
B. Caseous necrosis
C. Coagulative necrosis
D. Fat necrosis
Correct Answer: C
Rationale: Coagulative necrosis occurs in most tissues except the brain due to
denaturation of structural and enzymatic proteins, preserving tissue architecture for
days. The myocardium shows ghost outlines of cells with loss of nuclei. Liquefactive
, 4
necrosis (A) occurs in brain infarcts and abscesses, caseous necrosis (B) in tuberculosis,
and fat necrosis (D) in acute pancreatitis or breast trauma.
Q7. A 30-year-old patient with a history of tuberculosis presents with a cavitary lung
lesion. Histology shows amorphous, eosinophilic, granular debris surrounded by
granulomatous inflammation. This type of necrosis is:
A. Coagulative
B. Liquefactive
C. Caseous
D. Fat
Correct Answer: C
Rationale: Caseous necrosis ("cheese-like") is characteristic of tuberculosis and fungal
infections, showing amorphous, eosinophilic granular debris without preserved tissue
architecture. It is associated with granuloma formation. Coagulative (A) preserves
architecture, liquefactive (B) occurs in brain and abscesses, and fat necrosis (D)
involves adipose tissue with calcium deposits.
Q8. A patient with acute pancreatitis develops peripancreatic fat necrosis. The
pathophysiology involves:
A. Ischemia-reperfusion injury with oxygen free radical generation
B. Activation of pancreatic lipases causing enzymatic fat digestion
C. Bacterial infection with liquefactive necrosis
D. Autoimmune destruction of pancreatic acinar cells
Correct Answer: B
Rationale: In acute pancreatitis, premature activation of pancreatic enzymes
(especially lipase) causes enzymatic digestion of peripancreatic fat, producing chalky
white deposits (saponification) and free fatty acids that are toxic. Ischemia-reperfusion
(A) causes different injury patterns, bacterial infection (C) causes liquefactive necrosis,
and autoimmune destruction (D) describes chronic pancreatitis or type 1 diabetes.
NURS 231 PATHOPHYSIOLOGY ALL MODULE EXAMS
2026/2027 | Comprehensive Cumulative Final | Portage
Learning | Graded A+ | Pass Guaranteed
MODULE 1: CELLULAR ADAPTATION, INJURY & NEOPLASIA
(Questions 1-20)
Q1. A 68-year-old male with a history of benign prostatic hyperplasia presents with
bilateral hydronephrosis. The renal cortex is noted to be thinned on ultrasound. Which
cellular adaptation best explains this finding?
A. Hypertrophy
B. Hyperplasia
C. Atrophy
D. Metaplasia
Correct Answer: C
Rationale: Atrophy is a decrease in cell size and organ mass due to decreased
workload, loss of innervation, or inadequate nutrition. Chronic urinary obstruction from
BPH reduces renal blood flow and workload, causing cortical atrophy. Hypertrophy (A)
involves increased cell size, hyperplasia (B) involves increased cell number, and
metaplasia (D) involves reversible replacement of one differentiated cell type with
another—none fit this scenario.
Q2. A weightlifter demonstrates significantly increased biceps muscle mass after 6
months of training. This cellular adaptation is characterized by:
A. Increased cell number through mitosis
B. Increased cell size without cell division
C. Replacement of muscle cells with fibrous tissue
D. Decreased cell size due to disuse
,2
Correct Answer: B
Rationale: Hypertrophy is an increase in cell size (not number) in response to
increased functional demand. Skeletal muscle cells are post-mitotic and cannot undergo
hyperplasia (A). Fibrous replacement (C) describes fibrosis, and decreased cell size (D)
describes atrophy.
Q3. A 45-year-old smoker develops squamous cell metaplasia in the bronchial
epithelium. This adaptation is best described as:
A. An irreversible change to a less differentiated cell type
B. A reversible change from one differentiated cell type to another
C. An increase in cell number in response to chronic irritation
D. A disordered, pre-neoplastic proliferation of cells
Correct Answer: B
Rationale: Metaplasia is a reversible adaptive change where one mature differentiated
cell type is replaced by another mature cell type better suited to withstand stress.
Bronchial pseudostratified ciliated columnar epithelium transforming to squamous
epithelium protects against smoke irritation. Dysplasia (D) is pre-neoplastic,
hyperplasia (C) increases cell number, and metaplasia is reversible, not irreversible (A).
Q4. A 55-year-old woman with chronic gastroesophageal reflux disease develops
Barrett's esophagus. This represents which type of cellular adaptation?
A. Dysplasia
B. Metaplasia
C. Anaplasia
D. Hyperplasia
Correct Answer: B
Rationale: Barrett's esophagus is intestinal metaplasia—replacement of normal
squamous esophageal epithelium with columnar epithelium containing goblet cells due
to chronic acid exposure. While this increases adenocarcinoma risk, it remains an
,3
adaptive metaplastic change. Dysplasia (A) involves disordered maturation, anaplasia
(C) is loss of differentiation in malignancy, and hyperplasia (D) increases cell number.
Q5. A liver biopsy from a patient with hepatitis shows hepatocytes with ballooning
degeneration, fatty change, and Councilman bodies. These Councilman bodies
represent:
A. Coagulative necrosis
B. Apoptotic hepatocytes
C. Viral inclusion bodies
D. Regenerating hepatocytes
Correct Answer: B
Rationale: Councilman bodies are shrunken, eosinophilic hepatocytes with pyknotic
nuclei representing apoptosis (programmed cell death) in viral hepatitis. They result
from cytotoxic T-cell-mediated killing of infected hepatocytes. Coagulative necrosis (A)
preserves cellular architecture, viral inclusions (C) are intracellular viral particles, and
regenerating hepatocytes (D) would show mitotic figures.
Q6. A patient suffers a myocardial infarction. Three days post-infarction, the
myocardium shows preserved tissue architecture with loss of nuclei and increased
eosinophilia. This microscopic appearance is characteristic of:
A. Liquefactive necrosis
B. Caseous necrosis
C. Coagulative necrosis
D. Fat necrosis
Correct Answer: C
Rationale: Coagulative necrosis occurs in most tissues except the brain due to
denaturation of structural and enzymatic proteins, preserving tissue architecture for
days. The myocardium shows ghost outlines of cells with loss of nuclei. Liquefactive
, 4
necrosis (A) occurs in brain infarcts and abscesses, caseous necrosis (B) in tuberculosis,
and fat necrosis (D) in acute pancreatitis or breast trauma.
Q7. A 30-year-old patient with a history of tuberculosis presents with a cavitary lung
lesion. Histology shows amorphous, eosinophilic, granular debris surrounded by
granulomatous inflammation. This type of necrosis is:
A. Coagulative
B. Liquefactive
C. Caseous
D. Fat
Correct Answer: C
Rationale: Caseous necrosis ("cheese-like") is characteristic of tuberculosis and fungal
infections, showing amorphous, eosinophilic granular debris without preserved tissue
architecture. It is associated with granuloma formation. Coagulative (A) preserves
architecture, liquefactive (B) occurs in brain and abscesses, and fat necrosis (D)
involves adipose tissue with calcium deposits.
Q8. A patient with acute pancreatitis develops peripancreatic fat necrosis. The
pathophysiology involves:
A. Ischemia-reperfusion injury with oxygen free radical generation
B. Activation of pancreatic lipases causing enzymatic fat digestion
C. Bacterial infection with liquefactive necrosis
D. Autoimmune destruction of pancreatic acinar cells
Correct Answer: B
Rationale: In acute pancreatitis, premature activation of pancreatic enzymes
(especially lipase) causes enzymatic digestion of peripancreatic fat, producing chalky
white deposits (saponification) and free fatty acids that are toxic. Ischemia-reperfusion
(A) causes different injury patterns, bacterial infection (C) causes liquefactive necrosis,
and autoimmune destruction (D) describes chronic pancreatitis or type 1 diabetes.
