NR507 ADVANCED PATHOPHYSIOLOGY – WEEK 8 FINAL EXAM PRACTICE QUESTIONS AND
ANSWERS ALREADY GRADED A+| 100% VERIFIED SOLUTIONS………...
CORE DOMAINS
1. Cellular Adaptation, Injury, and Genetics
2. Fluid, Electrolyte, and Acid-Base Balance
3. Cardiovascular Pathophysiology
4. Respiratory Pathophysiology
5. Endocrine Pathophysiology
6. Renal and Genitourinary Pathophysiology
7. Neurological and Musculoskeletal Pathophysiology
8. Gastrointestinal and Hepatic Pathophysiology
9. Immunity, Inflammation, and Hematology
10. Professional Application, Ethics, and Clinical Decision-Making
INTRODUCTION
This comprehensive final examination assesses advanced pathophysiological concepts across major
body systems. It evaluates foundational theory, applied professional knowledge, regulatory and
legal awareness, ethics, and clinical decision-making. The multiple-choice and scenario-based
structure emphasizes real-world application, critical thinking, and safe practice. Learners must
analyze mechanisms of disease, interpret clinical findings, and select the most defensible
pathophysiological explanation. The examination is designed to prepare advanced practice learners
for proctored final assessment and professional certification readiness.
SECTION ONE: QUESTIONS 1–100
,1. Which cellular adaptation involves an increase in the number of cells in a tissue?
A. Hypertrophy
🟢 B. Hyperplasia
C. Atrophy
D. Metaplasia
🔴 RATIONALE: Hyperplasia is an increase in the number of cells in a tissue or organ, often in
response to hormonal or compensatory stimuli.
2. A patient has pH 7.28, PaCO2 50, and HCO3 24. Which disorder is present?
A. Metabolic acidosis
B. Metabolic alkalosis
C. Respiratory alkalosis
🟢 D. Respiratory acidosis
🔴 RATIONALE: Low pH with elevated PaCO2 indicates respiratory acidosis; normal HCO3
indicates no renal compensation yet.
3. Which force primarily pulls fluid from the interstitial space into capillaries?
🟢 A. Plasma oncotic pressure
B. Capillary hydrostatic pressure
C. Interstitial hydrostatic pressure
D. Lymphatic pressure
,🔴 RATIONALE: Plasma proteins, mainly albumin, create oncotic pressure that draws fluid into
capillaries.
4. The most common cause of reversible cell injury is:
A. Apoptosis
B. Necrosis
🟢 C. ATP depletion
D. Free radical accumulation
🔴 RATIONALE: ATP depletion from hypoxia or ischemia is a common reversible cell injury
mechanism leading to pump failure and swelling.
5. A mutation in a tumor suppressor gene typically leads to:
A. Increased apoptosis
🟢 B. Loss of cell cycle inhibition
C. Enhanced DNA repair
D. Decreased cell proliferation
🔴 RATIONALE: Tumor suppressor genes normally restrain cell division; loss of function permits
uncontrolled proliferation.
6. Which immunoglobulin is most associated with type I hypersensitivity?
🟢 A. IgE
B. IgG
, C. IgM
D. IgA
🔴 RATIONALE: IgE binds mast cells and basophils, triggering histamine release in type I
hypersensitivity.
7. Which mediator causes vasodilation and increased vascular permeability in acute
inflammation?
A. Interferon-gamma
B. Interleukin-2
C. Thromboxane A2
🟢 D. Histamine
🔴 RATIONALE: Histamine released from mast cells causes vasodilation and increased capillary
permeability.
8. In Parkinson disease, which neurotransmitter is deficient?
A. Serotonin
B. Acetylcholine
🟢 C. Dopamine
D. GABA
🔴 RATIONALE: Parkinson disease results from degeneration of dopaminergic neurons in the
substantia nigra.
ANSWERS ALREADY GRADED A+| 100% VERIFIED SOLUTIONS………...
CORE DOMAINS
1. Cellular Adaptation, Injury, and Genetics
2. Fluid, Electrolyte, and Acid-Base Balance
3. Cardiovascular Pathophysiology
4. Respiratory Pathophysiology
5. Endocrine Pathophysiology
6. Renal and Genitourinary Pathophysiology
7. Neurological and Musculoskeletal Pathophysiology
8. Gastrointestinal and Hepatic Pathophysiology
9. Immunity, Inflammation, and Hematology
10. Professional Application, Ethics, and Clinical Decision-Making
INTRODUCTION
This comprehensive final examination assesses advanced pathophysiological concepts across major
body systems. It evaluates foundational theory, applied professional knowledge, regulatory and
legal awareness, ethics, and clinical decision-making. The multiple-choice and scenario-based
structure emphasizes real-world application, critical thinking, and safe practice. Learners must
analyze mechanisms of disease, interpret clinical findings, and select the most defensible
pathophysiological explanation. The examination is designed to prepare advanced practice learners
for proctored final assessment and professional certification readiness.
SECTION ONE: QUESTIONS 1–100
,1. Which cellular adaptation involves an increase in the number of cells in a tissue?
A. Hypertrophy
🟢 B. Hyperplasia
C. Atrophy
D. Metaplasia
🔴 RATIONALE: Hyperplasia is an increase in the number of cells in a tissue or organ, often in
response to hormonal or compensatory stimuli.
2. A patient has pH 7.28, PaCO2 50, and HCO3 24. Which disorder is present?
A. Metabolic acidosis
B. Metabolic alkalosis
C. Respiratory alkalosis
🟢 D. Respiratory acidosis
🔴 RATIONALE: Low pH with elevated PaCO2 indicates respiratory acidosis; normal HCO3
indicates no renal compensation yet.
3. Which force primarily pulls fluid from the interstitial space into capillaries?
🟢 A. Plasma oncotic pressure
B. Capillary hydrostatic pressure
C. Interstitial hydrostatic pressure
D. Lymphatic pressure
,🔴 RATIONALE: Plasma proteins, mainly albumin, create oncotic pressure that draws fluid into
capillaries.
4. The most common cause of reversible cell injury is:
A. Apoptosis
B. Necrosis
🟢 C. ATP depletion
D. Free radical accumulation
🔴 RATIONALE: ATP depletion from hypoxia or ischemia is a common reversible cell injury
mechanism leading to pump failure and swelling.
5. A mutation in a tumor suppressor gene typically leads to:
A. Increased apoptosis
🟢 B. Loss of cell cycle inhibition
C. Enhanced DNA repair
D. Decreased cell proliferation
🔴 RATIONALE: Tumor suppressor genes normally restrain cell division; loss of function permits
uncontrolled proliferation.
6. Which immunoglobulin is most associated with type I hypersensitivity?
🟢 A. IgE
B. IgG
, C. IgM
D. IgA
🔴 RATIONALE: IgE binds mast cells and basophils, triggering histamine release in type I
hypersensitivity.
7. Which mediator causes vasodilation and increased vascular permeability in acute
inflammation?
A. Interferon-gamma
B. Interleukin-2
C. Thromboxane A2
🟢 D. Histamine
🔴 RATIONALE: Histamine released from mast cells causes vasodilation and increased capillary
permeability.
8. In Parkinson disease, which neurotransmitter is deficient?
A. Serotonin
B. Acetylcholine
🟢 C. Dopamine
D. GABA
🔴 RATIONALE: Parkinson disease results from degeneration of dopaminergic neurons in the
substantia nigra.
