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Chamberlain University NR507 Advanced
Pathophysiology Midterm Exam 2026-2027
Complete Practice Q&A Bank (1-250) with Verified
Answers & Detailed Rationales
Updated for 2025/2026 | Guaranteed Pass Study Guide
Question 1:
A patient with chronic hypertension presents with an enlarged left ventricle.
This increase in cardiac muscle mass is primarily due to which cellular
adaptation?
A) Hyperplasia
B) Metaplasia
C) Hypertrophy
D) Dysplasia
Correct Answer: C) Hypertrophy
Rationale: Hypertrophy is an increase in the size of cells, leading to an
enlarged organ. Cardiac muscle cells are terminally differentiated and cannot
divide, so they adapt to increased workload (pressure overload from
hypertension) through hypertrophy, not hyperplasia (increase in cell
number) .
Question 2:
A patient who smokes has a change in the bronchial epithelium from
Sure pass
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ciliated columnar to stratified squamous. This is an example of:
A) Hyperplasia
B) Hypertrophy
C) Atrophy
D) Metaplasia
Correct Answer: D) Metaplasia
Rationale: Metaplasia is the reversible replacement of one differentiated cell
type with another in response to chronic irritation. In the respiratory tract,
chronic irritation from smoking causes columnar epithelium to be replaced by
stratified squamous epithelium as an adaptive response .
Question 3:
The irreversible point in cellular injury where cell death is inevitable, even if
the stressor is removed, is known as the:
A) Point of no return
B) Cellular apoptosis threshold
C) Necrotic point
D) Ischemic threshold
Correct Answer: A) Point of no return
Rationale: This is a key concept in cellular injury where mitochondrial
damage becomes so severe that ATP production ceases entirely, leading to
irreversible membrane and DNA damage. Once this point is reached, cell
death is inevitable regardless of intervention .
Question 4:
Which of the following is a characteristic feature of apoptosis?
A) Elicits a significant inflammatory response
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B) Results in cellular swelling and rupture
C) Involves organized cell shrinkage and fragmentation
D) Is always a pathological process
Correct Answer: C) Involves organized cell shrinkage and
fragmentation
Rationale: Apoptosis is programmed cell death characterized by cell
shrinkage, chromatin condensation, and fragmentation into apoptotic bodies.
It does not elicit an inflammatory response because cellular contents are
contained within membrane-bound vesicles. Necrosis involves cell swelling,
membrane rupture, and inflammation .
Question 5:
Ischemia-reperfusion injury causes additional cellular damage primarily due
to:
A) Immediate restoration of ATP levels
B) Influx of calcium and generation of oxygen-free radicals
C) Rapid normalization of pH
D) Prevention of inflammatory cell infiltration
Correct Answer: B) Influx of calcium and generation of oxygen-free
radicals
Rationale: When blood flow returns (reperfusion), it brings oxygen which
leads to a burst of free radical production and an influx of calcium,
exacerbating the injury caused by the initial ischemia. This is a key
mechanism in ischemic-reperfusion injury .
Question 6:
Which type of necrosis is most commonly seen in myocardial infarction?
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, 4
A) Liquefactive necrosis
B) Caseous necrosis
C) Coagulative necrosis
D) Fat necrosis
Correct Answer: C) Coagulative necrosis
Rationale: Coagulative necrosis is characteristic of ischemic injury in solid
organs such as the heart (myocardial infarction), kidney, and liver. Brain
typically undergoes liquefactive necrosis. Caseous necrosis is associated with
tuberculosis .
Question 7:
Liquefactive necrosis is characteristic of which condition?
A) Myocardial infarction
B) Brain infarction (stroke)
C) Tuberculosis
D) Ischemic injury to the kidney
Correct Answer: B) Brain infarction (stroke)
Rationale: Liquefactive necrosis occurs in the brain due to enzymatic
digestion of necrotic tissue, forming a cystic space. It also occurs in bacterial
abscesses. The brain's high lipid content and enzymatic activity contribute to
this type of necrosis .
Question 8:
Reversible cell injury is characterized by:
A) Nuclear fragmentation
B) Cellular swelling and fatty change
Sure pass
Chamberlain University NR507 Advanced
Pathophysiology Midterm Exam 2026-2027
Complete Practice Q&A Bank (1-250) with Verified
Answers & Detailed Rationales
Updated for 2025/2026 | Guaranteed Pass Study Guide
Question 1:
A patient with chronic hypertension presents with an enlarged left ventricle.
This increase in cardiac muscle mass is primarily due to which cellular
adaptation?
A) Hyperplasia
B) Metaplasia
C) Hypertrophy
D) Dysplasia
Correct Answer: C) Hypertrophy
Rationale: Hypertrophy is an increase in the size of cells, leading to an
enlarged organ. Cardiac muscle cells are terminally differentiated and cannot
divide, so they adapt to increased workload (pressure overload from
hypertension) through hypertrophy, not hyperplasia (increase in cell
number) .
Question 2:
A patient who smokes has a change in the bronchial epithelium from
Sure pass
,2
ciliated columnar to stratified squamous. This is an example of:
A) Hyperplasia
B) Hypertrophy
C) Atrophy
D) Metaplasia
Correct Answer: D) Metaplasia
Rationale: Metaplasia is the reversible replacement of one differentiated cell
type with another in response to chronic irritation. In the respiratory tract,
chronic irritation from smoking causes columnar epithelium to be replaced by
stratified squamous epithelium as an adaptive response .
Question 3:
The irreversible point in cellular injury where cell death is inevitable, even if
the stressor is removed, is known as the:
A) Point of no return
B) Cellular apoptosis threshold
C) Necrotic point
D) Ischemic threshold
Correct Answer: A) Point of no return
Rationale: This is a key concept in cellular injury where mitochondrial
damage becomes so severe that ATP production ceases entirely, leading to
irreversible membrane and DNA damage. Once this point is reached, cell
death is inevitable regardless of intervention .
Question 4:
Which of the following is a characteristic feature of apoptosis?
A) Elicits a significant inflammatory response
Sure pass
,3
B) Results in cellular swelling and rupture
C) Involves organized cell shrinkage and fragmentation
D) Is always a pathological process
Correct Answer: C) Involves organized cell shrinkage and
fragmentation
Rationale: Apoptosis is programmed cell death characterized by cell
shrinkage, chromatin condensation, and fragmentation into apoptotic bodies.
It does not elicit an inflammatory response because cellular contents are
contained within membrane-bound vesicles. Necrosis involves cell swelling,
membrane rupture, and inflammation .
Question 5:
Ischemia-reperfusion injury causes additional cellular damage primarily due
to:
A) Immediate restoration of ATP levels
B) Influx of calcium and generation of oxygen-free radicals
C) Rapid normalization of pH
D) Prevention of inflammatory cell infiltration
Correct Answer: B) Influx of calcium and generation of oxygen-free
radicals
Rationale: When blood flow returns (reperfusion), it brings oxygen which
leads to a burst of free radical production and an influx of calcium,
exacerbating the injury caused by the initial ischemia. This is a key
mechanism in ischemic-reperfusion injury .
Question 6:
Which type of necrosis is most commonly seen in myocardial infarction?
Sure pass
, 4
A) Liquefactive necrosis
B) Caseous necrosis
C) Coagulative necrosis
D) Fat necrosis
Correct Answer: C) Coagulative necrosis
Rationale: Coagulative necrosis is characteristic of ischemic injury in solid
organs such as the heart (myocardial infarction), kidney, and liver. Brain
typically undergoes liquefactive necrosis. Caseous necrosis is associated with
tuberculosis .
Question 7:
Liquefactive necrosis is characteristic of which condition?
A) Myocardial infarction
B) Brain infarction (stroke)
C) Tuberculosis
D) Ischemic injury to the kidney
Correct Answer: B) Brain infarction (stroke)
Rationale: Liquefactive necrosis occurs in the brain due to enzymatic
digestion of necrotic tissue, forming a cystic space. It also occurs in bacterial
abscesses. The brain's high lipid content and enzymatic activity contribute to
this type of necrosis .
Question 8:
Reversible cell injury is characterized by:
A) Nuclear fragmentation
B) Cellular swelling and fatty change
Sure pass
