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This 300-question NSG 5140 Advanced Pathophysiology practice exam
provides comprehensive preparation for graduate-level nursing
pathophysiology courses and certification. Each question covers essential
topics including cellular adaptation and injury, inflammation and immunity,
fluid and electrolyte imbalances, acid-base disorders, cardiovascular
pathophysiology (hypertension, heart failure, coronary artery disease),
respiratory disorders (COPD, asthma, pneumonia, ARDS, pulmonary
embolism), renal disorders (acute and chronic kidney disease,
glomerulonephritis, nephrolithiasis), endocrine disorders (diabetes, thyroid
disorders, adrenal disorders), gastrointestinal disorders, neurological
disorders, and hematological disorders. Questions address disease
mechanisms, clinical manifestations, diagnostic findings, and pharmacological
principles. Every question includes four answer choices, a correct answer, and
a detailed rationale explaining the underlying pathophysiological principles.
No questions are repeated, ensuring thorough, non-redundant exam
preparation.
1. A patient with chronic hypertension develops left ventricular wall thickening.
Which mechanism best explains this adaptation?
A) Increased myocyte number due to cell division
B) Increased myocyte size due to increased workload
C) Replacement of cardiac cells with fibrous tissue
D) Transformation of cardiac cells into smooth muscle
Correct Answer: B
Rationale: Cardiac myocytes are terminally differentiated and respond to increased
workload primarily through hypertrophy (an increase in individual cell size), not
hyperplasia (an increase in cell number).
2. During ischemic injury, loss of adenosine triphosphate (ATP) most directly
leads to:
A) Increased oxidative phosphorylation
,B) Failure of the sodium-potassium pump
C) Increased protein synthesis
D) Mitochondrial membrane stabilization
Correct Answer: B
Rationale: ATP is required for the function of the Na+/K+ ATPase pump. Its
depletion causes this pump to fail, leading to an influx of sodium and water into
the cell, resulting in cellular swelling.
3. A patient's biopsy reveals an increase in the number of breast glandular cells due
to hormonal stimulation. What is this cellular adaptation called?
A) Hyperplasia
B) Hypertrophy
C) Metaplasia
D) Dysplasia
Correct Answer: A
Rationale: Hyperplasia is an increase in the number of cells due to mitotic division.
This occurs in response to hormonal stimulation, such as estrogen causing
proliferation of breast glandular cells.
4. A chronic smoker's bronchial lining changes from normal columnar epithelial
cells to stratified squamous epithelial cells. How does pathophysiology describe
this change?
A) Hyperplasia
B) Hypertrophy
C) Metaplasia
D) Dysplasia
Correct Answer: C
Rationale: Metaplasia is a reversible replacement of one mature cell type with
another, often in response to chronic irritation such as smoking.
5. A patient with a pulmonary tuberculosis infection has lung tissue that resembles
crumbly cheese. This is characteristic of which type of necrosis?
A) Coagulative necrosis
B) Liquefactive necrosis
,C) Caseous necrosis
D) Fat necrosis
Correct Answer: C
Rationale: Caseous means cheese-like. This form of necrosis is a distinct
combination of coagulative and liquefactive necrosis and is classically seen in
mycobacterial infections like tuberculosis.
6. Following a hypoxic event like a stroke, brain tissue often softens and liquefies.
Which type of necrosis is this?
A) Coagulative necrosis
B) Liquefactive necrosis
C) Caseous necrosis
D) Fat necrosis
Correct Answer: B
Rationale: Liquefactive necrosis is characteristic of the central nervous system
(brain). It occurs when ischemic injury triggers an inflammatory response that
liquefies the tissue.
7. A patient with blunt trauma to the abdomen develops fat necrosis in the
pancreas. What is the hallmark feature of fat necrosis?
A) Firm, pale tissue
B) Formation of chalky white areas (saponification)
C) Pus formation
D) Cystic spaces
Correct Answer: B
Rationale: Fat necrosis occurs when lipases break down triglycerides, releasing
fatty acids that bind with calcium to form chalky white deposits (saponification).
This is commonly seen in pancreatic injury.
8. Which type of cell death is characterized by cellular swelling, rupture of the cell
membrane, and an inflammatory response?
A) Apoptosis
B) Necrosis
C) Autophagy
, D) Senescence
Correct Answer: B
Rationale: Necrosis is an accidental, unprogrammed form of cell death that
involves cellular swelling, membrane rupture, leakage of cellular contents, and
triggers an inflammatory response.
9. Which type of cell death is characterized by cell shrinkage, chromatin
condensation, and formation of apoptotic bodies without triggering inflammation?
A) Necrosis
B) Apoptosis
C) Coagulative necrosis
D) Fat necrosis
Correct Answer: B
Rationale: Apoptosis is a programmed, controlled form of cell death that involves
cell shrinkage, chromatin condensation, and fragmentation into apoptotic bodies
that are phagocytosed without eliciting inflammation.
10. A patient with reperfusion injury after a myocardial infarction experiences
additional cell damage. What is the primary mechanism of reperfusion injury?
A) Increased ATP production
B) Generation of reactive oxygen species (ROS)
C) Activation of the sodium-potassium pump
D) Stabilization of mitochondrial membranes
Correct Answer: B
Rationale: Reperfusion injury occurs when oxygen is reintroduced to ischemic
tissue, leading to the generation of reactive oxygen species (ROS) that cause
further cellular damage.
11. Which of the following is a systemic manifestation of inflammation?
A) Erythema
B) Edema
C) Fever
D) Pain