NSG 5140 MIDTERM EXAM REVIEW ADV PATHOPHYSIOLOGY
– QUESTIONS AND ANSWERS | VERIFIED AND WELL
DETAILED ANSWERS | PLUS RATIONALES | GUARANTEED
PASS | LATEST EXAM UPDATE
Core Domains:
1. Cellular Adaptation and Injury
2. Fluid and Electrolyte Imbalances
3. Acid-Base Disorders
4. Genetics and Genetic Disorders
5. Immune System Dysfunction and Inflammation
6. Cardiovascular Pathophysiology
7. Respiratory Pathophysiology
8. Renal and Urinary Pathophysiology
9. Neurological Pathophysiology
10. Endocrine Pathophysiology
Introduction
This comprehensive examination is designed to evaluate advanced practice nursing students'
understanding of complex pathophysiological concepts essential for clinical decision-making. The
assessment covers foundational theories, applied clinical knowledge, regulatory frameworks, ethical
considerations, and professional standards across multiple body systems. Through a combination of
multiple-choice questions and scenario-based applications, students will demonstrate their ability to
integrate pathophysiological principles with real-world patient care situations. Each question
emphasizes critical thinking, evidence-based practice, and clinical reasoning required for safe,
competent advanced nursing practice. The examination mirrors the rigor and depth expected in
graduate-level pathophysiology coursework.
SECTION ONE: QUESTIONS 1 – 100
Question 1
A 65-year-old male with a history of hypertension presents with fatigue, confusion, and muscle
cramping. Laboratory results reveal serum sodium of 118 mEq/L. Which of the following
pathophysiological mechanisms most likely contributed to this presentation?
,A. Excessive aldosterone secretion
B. Inappropriate secretion of antidiuretic hormone
C. Increased renal perfusion
D. Decreased glomerular filtration rate
🟢B
🔴 Explanation: Inappropriate secretion of antidiuretic hormone (SIADH) leads to water retention
without solute retention, causing dilutional hyponatremia. Aldosterone excess would cause sodium
retention and hypernatremia. Increased renal perfusion and decreased GFR do not directly cause
this pattern of hyponatremia.
Question 2
Which cellular adaptation is characterized by a decrease in cell size and metabolic activity in
response to decreased workload or nutrient supply?
A. Hypertrophy
B. Hyperplasia
C. Atrophy
D. Metaplasia
🟢C
🔴 Explanation: Atrophy is the reversible reduction in cell size and metabolic activity. Hypertrophy
is increased cell size, hyperplasia is increased cell number, and metaplasia is the replacement of one
differentiated cell type with another.
Question 3
A patient with chronic obstructive pulmonary disease develops respiratory acidosis. Which
compensatory mechanism would the kidneys initiate to restore acid-base balance?
A. Increased reabsorption of bicarbonate
B. Excretion of hydrogen ions
C. Increased excretion of bicarbonate
D. Both A and B
🟢D
🔴 Explanation: In respiratory acidosis, the kidneys compensate by both increasing bicarbonate
reabsorption and excreting hydrogen ions to raise serum pH and restore homeostasis.
Question 4
,A 45-year-old female presents with joint pain, butterfly rash, and photosensitivity. Antinuclear
antibody testing is positive. This autoimmune disorder is most likely:
A. Rheumatoid arthritis
B. Systemic lupus erythematosus
C. Sjögren syndrome
D. Scleroderma
🟢B
🔴 Explanation: Systemic lupus erythematosus (SLE) is characterized by the classic triad of joint
pain, butterfly rash, and photosensitivity, with positive ANA testing being a hallmark diagnostic
finding.
Question 5
Which of the following genetic disorders results from an autosomal dominant mutation and is
characterized by the development of multiple benign tumors in the nervous system?
A. Cystic fibrosis
B. Neurofibromatosis type 1
C. Huntington disease
D. Marfan syndrome
🟢B
🔴 Explanation: Neurofibromatosis type 1 is an autosomal dominant disorder causing multiple
benign tumors in the nervous system. Cystic fibrosis is autosomal recessive, Huntington disease is
autosomal dominant but causes neurodegeneration, and Marfan syndrome affects connective
tissue.
Question 6
A patient in septic shock exhibits hypotension despite adequate fluid resuscitation. Which
pathophysiological mechanism is primarily responsible for this refractory hypotension?
A. Decreased cardiac output
B. Massive vasodilation due to inflammatory mediators
C. Increased systemic vascular resistance
D. Decreased venous return
🟢B
🔴 Explanation: Septic shock involves systemic vasodilation mediated by inflammatory cytokines
and nitric oxide, leading to refractory hypotension despite fluid resuscitation and often normal or
elevated cardiac output.
, Question 7
The primary cause of edema in congestive heart failure is:
A. Decreased plasma oncotic pressure
B. Increased capillary hydrostatic pressure
C. Increased capillary permeability
D. Lymphatic obstruction
🟢B
🔴 Explanation: In congestive heart failure, reduced cardiac output leads to venous congestion,
which increases capillary hydrostatic pressure, promoting fluid movement into interstitial spaces
and causing edema.
Question 8
A 30-year-old male presents with hemoptysis, dyspnea, and hematuria. Laboratory findings reveal
elevated anti-glomerular basement membrane antibodies. This condition is known as:
A. IgA nephropathy
B. Goodpasture syndrome
C. Wegener granulomatosis
D. Alport syndrome
🟢B
🔴 Explanation: Goodpasture syndrome is characterized by anti-glomerular basement membrane
antibodies causing pulmonary hemorrhage and glomerulonephritis, presenting with hemoptysis,
dyspnea, and hematuria.
Question 9
Which electrolyte imbalance is most commonly associated with loop diuretic use?
A. Hyperkalemia
B. Hyponatremia
C. Hypokalemia
D. Hypercalcemia
🟢C
🔴 Explanation: Loop diuretics inhibit sodium-potassium-chloride reabsorption in the thick
ascending limb, leading to increased potassium excretion and subsequent hypokalemia.
Hyperkalemia is more commonly associated with potassium-sparing diuretics.
– QUESTIONS AND ANSWERS | VERIFIED AND WELL
DETAILED ANSWERS | PLUS RATIONALES | GUARANTEED
PASS | LATEST EXAM UPDATE
Core Domains:
1. Cellular Adaptation and Injury
2. Fluid and Electrolyte Imbalances
3. Acid-Base Disorders
4. Genetics and Genetic Disorders
5. Immune System Dysfunction and Inflammation
6. Cardiovascular Pathophysiology
7. Respiratory Pathophysiology
8. Renal and Urinary Pathophysiology
9. Neurological Pathophysiology
10. Endocrine Pathophysiology
Introduction
This comprehensive examination is designed to evaluate advanced practice nursing students'
understanding of complex pathophysiological concepts essential for clinical decision-making. The
assessment covers foundational theories, applied clinical knowledge, regulatory frameworks, ethical
considerations, and professional standards across multiple body systems. Through a combination of
multiple-choice questions and scenario-based applications, students will demonstrate their ability to
integrate pathophysiological principles with real-world patient care situations. Each question
emphasizes critical thinking, evidence-based practice, and clinical reasoning required for safe,
competent advanced nursing practice. The examination mirrors the rigor and depth expected in
graduate-level pathophysiology coursework.
SECTION ONE: QUESTIONS 1 – 100
Question 1
A 65-year-old male with a history of hypertension presents with fatigue, confusion, and muscle
cramping. Laboratory results reveal serum sodium of 118 mEq/L. Which of the following
pathophysiological mechanisms most likely contributed to this presentation?
,A. Excessive aldosterone secretion
B. Inappropriate secretion of antidiuretic hormone
C. Increased renal perfusion
D. Decreased glomerular filtration rate
🟢B
🔴 Explanation: Inappropriate secretion of antidiuretic hormone (SIADH) leads to water retention
without solute retention, causing dilutional hyponatremia. Aldosterone excess would cause sodium
retention and hypernatremia. Increased renal perfusion and decreased GFR do not directly cause
this pattern of hyponatremia.
Question 2
Which cellular adaptation is characterized by a decrease in cell size and metabolic activity in
response to decreased workload or nutrient supply?
A. Hypertrophy
B. Hyperplasia
C. Atrophy
D. Metaplasia
🟢C
🔴 Explanation: Atrophy is the reversible reduction in cell size and metabolic activity. Hypertrophy
is increased cell size, hyperplasia is increased cell number, and metaplasia is the replacement of one
differentiated cell type with another.
Question 3
A patient with chronic obstructive pulmonary disease develops respiratory acidosis. Which
compensatory mechanism would the kidneys initiate to restore acid-base balance?
A. Increased reabsorption of bicarbonate
B. Excretion of hydrogen ions
C. Increased excretion of bicarbonate
D. Both A and B
🟢D
🔴 Explanation: In respiratory acidosis, the kidneys compensate by both increasing bicarbonate
reabsorption and excreting hydrogen ions to raise serum pH and restore homeostasis.
Question 4
,A 45-year-old female presents with joint pain, butterfly rash, and photosensitivity. Antinuclear
antibody testing is positive. This autoimmune disorder is most likely:
A. Rheumatoid arthritis
B. Systemic lupus erythematosus
C. Sjögren syndrome
D. Scleroderma
🟢B
🔴 Explanation: Systemic lupus erythematosus (SLE) is characterized by the classic triad of joint
pain, butterfly rash, and photosensitivity, with positive ANA testing being a hallmark diagnostic
finding.
Question 5
Which of the following genetic disorders results from an autosomal dominant mutation and is
characterized by the development of multiple benign tumors in the nervous system?
A. Cystic fibrosis
B. Neurofibromatosis type 1
C. Huntington disease
D. Marfan syndrome
🟢B
🔴 Explanation: Neurofibromatosis type 1 is an autosomal dominant disorder causing multiple
benign tumors in the nervous system. Cystic fibrosis is autosomal recessive, Huntington disease is
autosomal dominant but causes neurodegeneration, and Marfan syndrome affects connective
tissue.
Question 6
A patient in septic shock exhibits hypotension despite adequate fluid resuscitation. Which
pathophysiological mechanism is primarily responsible for this refractory hypotension?
A. Decreased cardiac output
B. Massive vasodilation due to inflammatory mediators
C. Increased systemic vascular resistance
D. Decreased venous return
🟢B
🔴 Explanation: Septic shock involves systemic vasodilation mediated by inflammatory cytokines
and nitric oxide, leading to refractory hypotension despite fluid resuscitation and often normal or
elevated cardiac output.
, Question 7
The primary cause of edema in congestive heart failure is:
A. Decreased plasma oncotic pressure
B. Increased capillary hydrostatic pressure
C. Increased capillary permeability
D. Lymphatic obstruction
🟢B
🔴 Explanation: In congestive heart failure, reduced cardiac output leads to venous congestion,
which increases capillary hydrostatic pressure, promoting fluid movement into interstitial spaces
and causing edema.
Question 8
A 30-year-old male presents with hemoptysis, dyspnea, and hematuria. Laboratory findings reveal
elevated anti-glomerular basement membrane antibodies. This condition is known as:
A. IgA nephropathy
B. Goodpasture syndrome
C. Wegener granulomatosis
D. Alport syndrome
🟢B
🔴 Explanation: Goodpasture syndrome is characterized by anti-glomerular basement membrane
antibodies causing pulmonary hemorrhage and glomerulonephritis, presenting with hemoptysis,
dyspnea, and hematuria.
Question 9
Which electrolyte imbalance is most commonly associated with loop diuretic use?
A. Hyperkalemia
B. Hyponatremia
C. Hypokalemia
D. Hypercalcemia
🟢C
🔴 Explanation: Loop diuretics inhibit sodium-potassium-chloride reabsorption in the thick
ascending limb, leading to increased potassium excretion and subsequent hypokalemia.
Hyperkalemia is more commonly associated with potassium-sparing diuretics.
