NSG 5140 Advanced Pathophysiology Final
Exam Review South College Questions And
Well Graded Solutions With Rationales
Updated 2026 2027
Master your advanced pathophysiology curriculum with this high-yield final exam preparation guide
tailored for NSG 5140 at South College and top nursing programs. This comprehensive digital study
resource features detailed multiple-choice practice questions, evidence-based rationales, and core
concept breakdowns covering cellular injury, hypersensitivity, renal imbalances, endocrine
disorders, and advanced cardiovascular mechanics. Perfect for securing an A on your cumulative
final exam.
1. A 64-year-old male presents with severe chest pain radiating to his left arm. ECG
reveals ST-segment elevation. What is the primary cellular mechanism responsible
for initial tissue damage during this ischemic event?
A) Cellular swelling due to severe accumulation of extracellular sodium
B) Influx of extracellular calcium causing immediate cell membrane rupture
C) ATP depletion leading to the failure of the sodium-potassium pump
D) Reversible metaplastic conversion of cardiac myocytes to fibroblasts
Rationale: Hypoxia disrupts mitochondrial oxidative phosphorylation, leading to rapid
ATP depletion. Without ATP, the Na+/K+ ATPase pump fails, causing intracellular
sodium accumulation, cellular swelling, and progressive organelle dysfunction.
2. A 58-year-old patient with a 40 pack-year smoking history undergoes a
bronchoscopy. The biopsy indicates that ciliated columnar epithelial cells of the
upper airway have been replaced by stratified squamous epithelial cells. Which
cellular adaptation is demonstrated?
A) Dysplasia
B) Metaplasia
C) Hyperplasia
D) Hypertrophy
Rationale: Metaplasia is a reversible adaptation where one mature cell type is
replaced by another mature cell type better suited to withstand chronic stress or
irritation, such as cigarette smoke.
1|Page
,3. A 50-year-old male with chronic untreated hypertension exhibits an enlarged left
ventricle on an echocardiogram. This change in tissue architecture is driven by which
cellular process?
A) Hypertrophy
B) Hyperplasia
C) Dysplasia
D) Metaplasia
Rationale: Hypertrophy is an increase in individual cell size driven by an increased
mechanical workload or demand, such as a heart pumping against high systemic
vascular resistance.
4. A pap smear reveals abnormal alterations in the size, shape, and organization of
cervical epithelial cells. This tissue change is best classified as:
A) Metaplasia
B) Hypertrophy
C) Anaplasia
D) Dysplasia
Rationale: Dysplasia refers to abnormal changes in cell size, shape, and
organization. It is characterized as atypical hyperplasia and is a frequent pre-
malignant marker.
5. Which tissue or organ possesses the highest metabolic demand and lowest capacity
for anaerobic metabolism, rendering it most vulnerable to hypoxic injury?
A) Skeletal muscle
B) Brain
C) Liver
D) Myocardium
Rationale: The brain has exceptionally high oxygen and glucose demands, with very
minimal glycogen storage or capacity for anaerobic respiration, causing irreversible
damage within minutes of severe ischemia.
6. During an autopsy of a patient who died from a myocardial infarction, a pathologist
notes a localized area of firm, opaque, chalky-white tissue in the myocardium. This
represents what type of necrosis?
A) Liquefactive necrosis
B) Caseous necrosis
C) Fat necrosis
D) Coagulative necrosis
Rationale: Coagulative necrosis occurs primarily in kidneys, heart, and adrenal
glands due to severe ischemia. It results from protein denaturation, causing
structural preservation for a short period.
7. A patient presents with acute pancreatitis. An abdominal ultrasound reveals areas of
white, chalky deposits in the peripancreatic tissue. This process is driven by which
necrotic pathway?
A) Liquefactive necrosis
B) Fat necrosis
C) Coagulative necrosis
D) Gangrenous necrosis
Rationale: Fat necrosis occurs in the pancreas or breasts due to lipases breaking
down triglycerides into free fatty acids, which then combine with calcium,
magnesium, or sodium ions to form soaps (saponification).
8. A patient develops an ischemic stroke involving a large portion of the cerebral cortex.
A CT scan weeks later shows a fluid-filled cavity where brain tissue used to be. What
2|Page
, type of necrosis occurred?
A) Coagulative necrosis
B) Liquefactive necrosis
C) Caseous necrosis
D) Fibrinoid necrosis
Rationale: Liquefactive necrosis is classic in ischemic injury to the brain and spinal
cord because neural cells contain high amounts of digestive hydrolytic enzymes and
lipids.
9. A patient is diagnosed with pulmonary tuberculosis. A chest X-ray reveals a walled-
off granuloma. What specific type of necrosis is uniquely associated with this
infection?
A) Liquefactive necrosis
B) Coagulative necrosis
C) Caseous necrosis
D) Fat necrosis
Rationale: Caseous necrosis is a combination of coagulative and liquefactive
necrosis, resembling clumped cheese. It is characteristically found in tuberculous
pulmonary infections.
10. A molecular biologist is studying cell death. They observe a process where a cell
shrinks, its chromatin condenses, and it breaks into fragments that are rapidly
phagocytosed without triggering local inflammation. What is this process?
A) Necrosis
B) Autophagy
C) Apoptosis
D) Oncosis
Rationale: Apoptosis is programmed, tightly regulated cell death that clean-ups
damaged or unneeded cells without rupturing the plasma membrane, thereby
avoiding an inflammatory response.
Inflammation & Immunity
11. A patient steps on a rusty nail and develops localized redness, heat, and swelling in
the foot. Which chemical mediator is rapidly released from mast cells to initiate these
local vascular changes?
A) Histamine
B) Prostaglandin E2
C) Leukotriene D4
D) Interleukin-1
Rationale: Histamine is preformed and stored in mast cell granules. Upon activation,
it is rapidly released to cause local vasodilation and increased vascular permeability.
12. A patient with a severe bacterial infection develops a high fever. Which inflammatory
mediator acts directly on the hypothalamic thermoregulatory center to elevate the
systemic thermal set point?
A) Leukotriene B4
B) Prostaglandin E2
3|Page
, C) Histamine
D) Bradykinin
Rationale: Pyrogens like IL-1 and TNF-alpha stimulate the synthesis of
Prostaglandin E2 (PGE2) in the hypothalamus, which resets the body's thermostat
upward to cause a fever.
13. A patient's CBC reveals a marked increase in neutrophils (a "left shift"). This finding
is most highly indicative of which phase or type of inflammatory process?
A) Chronic inflammation
B) Acute bacterial infection
C) Type IV hypersensitivity
D) Parasitic infection
Rationale: Neutrophils are the primary cellular responders in acute inflammation,
particularly during bacterial infections. A "left shift" indicates the bone marrow is
releasing immature bands to meet demand.
14. A biopsy of a chronic wound reveals an abundance of macrophages, lymphocytes,
and fibroblasts, along with extensive scar tissue. This cellular profile is diagnostic of:
A) Chronic inflammation
B) Acute inflammatory response
C) Anaphylactic reaction
D) Type III hypersensitivity
Rationale: Chronic inflammation is characterized by a lack of neutrophils and a
predominance of mononuclear cells (macrophages and lymphocytes), alongside
concurrent tissue destruction and fibrotic healing.
15. Within minutes of receiving an intravenous antibiotic, a patient develops severe
bronchospasm, generalized urticaria, and a precipitous drop in blood pressure. What
immunological mechanism mediates this reaction?
A) T-cell mediated destruction of vascular endothelial cells
B) IgE-mediated mast cell degranulation
C) IgG-antigen complex deposition in basement membranes
D) Complement-mediated lysis of red blood cells
Rationale: This is a Type I hypersensitivity (anaphylactic) reaction. Antigen cross-
links IgE antibodies already bound to mast cells, triggering massive systemic release
of histamine and vasoactive substances.
16. A patient presents with a severe skin rash 48 hours after using a new topical
cosmetic cream. A patch test confirms a delayed-type hypersensitivity reaction. This
response is mediated by which cell type?
A) B lymphocytes
B) Mast cells
C) T lymphocytes
D) Plasma cells
Rationale: Type IV hypersensitivity is a delayed-type, cell-mediated immune
response. It does not involve antibodies; instead, it is driven by sensitized T helper or
cytotoxic T cells.
17. A patient is diagnosed with Systemic Lupus Erythematosus (SLE). The core
pathophysiology of this disease involves the systemic deposition of autoantibody-
antigen complexes in small vessels and basement membranes. This represents
which type of hypersensitivity?
A) Type I
B) Type II
C) Type III
4|Page
Exam Review South College Questions And
Well Graded Solutions With Rationales
Updated 2026 2027
Master your advanced pathophysiology curriculum with this high-yield final exam preparation guide
tailored for NSG 5140 at South College and top nursing programs. This comprehensive digital study
resource features detailed multiple-choice practice questions, evidence-based rationales, and core
concept breakdowns covering cellular injury, hypersensitivity, renal imbalances, endocrine
disorders, and advanced cardiovascular mechanics. Perfect for securing an A on your cumulative
final exam.
1. A 64-year-old male presents with severe chest pain radiating to his left arm. ECG
reveals ST-segment elevation. What is the primary cellular mechanism responsible
for initial tissue damage during this ischemic event?
A) Cellular swelling due to severe accumulation of extracellular sodium
B) Influx of extracellular calcium causing immediate cell membrane rupture
C) ATP depletion leading to the failure of the sodium-potassium pump
D) Reversible metaplastic conversion of cardiac myocytes to fibroblasts
Rationale: Hypoxia disrupts mitochondrial oxidative phosphorylation, leading to rapid
ATP depletion. Without ATP, the Na+/K+ ATPase pump fails, causing intracellular
sodium accumulation, cellular swelling, and progressive organelle dysfunction.
2. A 58-year-old patient with a 40 pack-year smoking history undergoes a
bronchoscopy. The biopsy indicates that ciliated columnar epithelial cells of the
upper airway have been replaced by stratified squamous epithelial cells. Which
cellular adaptation is demonstrated?
A) Dysplasia
B) Metaplasia
C) Hyperplasia
D) Hypertrophy
Rationale: Metaplasia is a reversible adaptation where one mature cell type is
replaced by another mature cell type better suited to withstand chronic stress or
irritation, such as cigarette smoke.
1|Page
,3. A 50-year-old male with chronic untreated hypertension exhibits an enlarged left
ventricle on an echocardiogram. This change in tissue architecture is driven by which
cellular process?
A) Hypertrophy
B) Hyperplasia
C) Dysplasia
D) Metaplasia
Rationale: Hypertrophy is an increase in individual cell size driven by an increased
mechanical workload or demand, such as a heart pumping against high systemic
vascular resistance.
4. A pap smear reveals abnormal alterations in the size, shape, and organization of
cervical epithelial cells. This tissue change is best classified as:
A) Metaplasia
B) Hypertrophy
C) Anaplasia
D) Dysplasia
Rationale: Dysplasia refers to abnormal changes in cell size, shape, and
organization. It is characterized as atypical hyperplasia and is a frequent pre-
malignant marker.
5. Which tissue or organ possesses the highest metabolic demand and lowest capacity
for anaerobic metabolism, rendering it most vulnerable to hypoxic injury?
A) Skeletal muscle
B) Brain
C) Liver
D) Myocardium
Rationale: The brain has exceptionally high oxygen and glucose demands, with very
minimal glycogen storage or capacity for anaerobic respiration, causing irreversible
damage within minutes of severe ischemia.
6. During an autopsy of a patient who died from a myocardial infarction, a pathologist
notes a localized area of firm, opaque, chalky-white tissue in the myocardium. This
represents what type of necrosis?
A) Liquefactive necrosis
B) Caseous necrosis
C) Fat necrosis
D) Coagulative necrosis
Rationale: Coagulative necrosis occurs primarily in kidneys, heart, and adrenal
glands due to severe ischemia. It results from protein denaturation, causing
structural preservation for a short period.
7. A patient presents with acute pancreatitis. An abdominal ultrasound reveals areas of
white, chalky deposits in the peripancreatic tissue. This process is driven by which
necrotic pathway?
A) Liquefactive necrosis
B) Fat necrosis
C) Coagulative necrosis
D) Gangrenous necrosis
Rationale: Fat necrosis occurs in the pancreas or breasts due to lipases breaking
down triglycerides into free fatty acids, which then combine with calcium,
magnesium, or sodium ions to form soaps (saponification).
8. A patient develops an ischemic stroke involving a large portion of the cerebral cortex.
A CT scan weeks later shows a fluid-filled cavity where brain tissue used to be. What
2|Page
, type of necrosis occurred?
A) Coagulative necrosis
B) Liquefactive necrosis
C) Caseous necrosis
D) Fibrinoid necrosis
Rationale: Liquefactive necrosis is classic in ischemic injury to the brain and spinal
cord because neural cells contain high amounts of digestive hydrolytic enzymes and
lipids.
9. A patient is diagnosed with pulmonary tuberculosis. A chest X-ray reveals a walled-
off granuloma. What specific type of necrosis is uniquely associated with this
infection?
A) Liquefactive necrosis
B) Coagulative necrosis
C) Caseous necrosis
D) Fat necrosis
Rationale: Caseous necrosis is a combination of coagulative and liquefactive
necrosis, resembling clumped cheese. It is characteristically found in tuberculous
pulmonary infections.
10. A molecular biologist is studying cell death. They observe a process where a cell
shrinks, its chromatin condenses, and it breaks into fragments that are rapidly
phagocytosed without triggering local inflammation. What is this process?
A) Necrosis
B) Autophagy
C) Apoptosis
D) Oncosis
Rationale: Apoptosis is programmed, tightly regulated cell death that clean-ups
damaged or unneeded cells without rupturing the plasma membrane, thereby
avoiding an inflammatory response.
Inflammation & Immunity
11. A patient steps on a rusty nail and develops localized redness, heat, and swelling in
the foot. Which chemical mediator is rapidly released from mast cells to initiate these
local vascular changes?
A) Histamine
B) Prostaglandin E2
C) Leukotriene D4
D) Interleukin-1
Rationale: Histamine is preformed and stored in mast cell granules. Upon activation,
it is rapidly released to cause local vasodilation and increased vascular permeability.
12. A patient with a severe bacterial infection develops a high fever. Which inflammatory
mediator acts directly on the hypothalamic thermoregulatory center to elevate the
systemic thermal set point?
A) Leukotriene B4
B) Prostaglandin E2
3|Page
, C) Histamine
D) Bradykinin
Rationale: Pyrogens like IL-1 and TNF-alpha stimulate the synthesis of
Prostaglandin E2 (PGE2) in the hypothalamus, which resets the body's thermostat
upward to cause a fever.
13. A patient's CBC reveals a marked increase in neutrophils (a "left shift"). This finding
is most highly indicative of which phase or type of inflammatory process?
A) Chronic inflammation
B) Acute bacterial infection
C) Type IV hypersensitivity
D) Parasitic infection
Rationale: Neutrophils are the primary cellular responders in acute inflammation,
particularly during bacterial infections. A "left shift" indicates the bone marrow is
releasing immature bands to meet demand.
14. A biopsy of a chronic wound reveals an abundance of macrophages, lymphocytes,
and fibroblasts, along with extensive scar tissue. This cellular profile is diagnostic of:
A) Chronic inflammation
B) Acute inflammatory response
C) Anaphylactic reaction
D) Type III hypersensitivity
Rationale: Chronic inflammation is characterized by a lack of neutrophils and a
predominance of mononuclear cells (macrophages and lymphocytes), alongside
concurrent tissue destruction and fibrotic healing.
15. Within minutes of receiving an intravenous antibiotic, a patient develops severe
bronchospasm, generalized urticaria, and a precipitous drop in blood pressure. What
immunological mechanism mediates this reaction?
A) T-cell mediated destruction of vascular endothelial cells
B) IgE-mediated mast cell degranulation
C) IgG-antigen complex deposition in basement membranes
D) Complement-mediated lysis of red blood cells
Rationale: This is a Type I hypersensitivity (anaphylactic) reaction. Antigen cross-
links IgE antibodies already bound to mast cells, triggering massive systemic release
of histamine and vasoactive substances.
16. A patient presents with a severe skin rash 48 hours after using a new topical
cosmetic cream. A patch test confirms a delayed-type hypersensitivity reaction. This
response is mediated by which cell type?
A) B lymphocytes
B) Mast cells
C) T lymphocytes
D) Plasma cells
Rationale: Type IV hypersensitivity is a delayed-type, cell-mediated immune
response. It does not involve antibodies; instead, it is driven by sensitized T helper or
cytotoxic T cells.
17. A patient is diagnosed with Systemic Lupus Erythematosus (SLE). The core
pathophysiology of this disease involves the systemic deposition of autoantibody-
antigen complexes in small vessels and basement membranes. This represents
which type of hypersensitivity?
A) Type I
B) Type II
C) Type III
4|Page
