NR-507 ADVANCED PATHOPHYSIOLOGY EXAM 1 QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) PLUS
RATIONALES 2026 Q&A |LATEST EXAM UPDATE 2026/2027 CHAMBERLAIN UNIVERSITY..
CORE DOMAINS *
- Cellular Biology and Alterations *
- Alterations in Fluid and Electrolytes *
- Inflammation, Immunity, and Infection *
,- Genetic and Epigenetic Mechanisms *
- Mechanisms of Oncogenesis and Cancer Biology *
- Neurological System Alterations *
- Endocrine System Pathophysiology *
- Cardiovascular and Pulmonary Alterations *
, INTRODUCTION *
This comprehensive assessment is designed to evaluate advanced nursing *
students on their mastery of complex pathophysiological mechanisms. The *
exam measures critical diagnostic reasoning, clinical application, and *
advanced synthesis of physiological changes across the lifespan. Through *
a combination of conceptual and scenario-based multiple-choice *
questions, learners are challenged to apply foundational science to *
real-world clinical decision-making. Topics emphasize the cellular, *
genetic, and systemic disruptions that underpin common and complex *
diseases. Successful completion demonstrates readiness for professional *
practice, evidence-based management, and sound clinical oversight within *
advanced nursing roles. *
SECTION ONE: QUESTIONS 1-100
Question 1
A 45-year-old male presents with severe chest pain and is diagnosed with an acute myocardial infarction. At the cellular level, the lack of
oxygen leads to a decrease in ATP production. Which cellular change directly results from this decrease in ATP?
A. Intracellular dehydration due to decreased sodium influx
B. Cellular swelling caused by the failure of the sodium-potassium pump
C. Increased intracellular pH due to accumulation of lactic acid
D. Decreased influx of calcium ions into the mitochondria
🟢 B. Cellular swelling caused by the failure of the sodium-potassium pump
, 🔴 RATIONALE: Decreased ATP causes the failure of the ATP-dependent Na+/K+ pump, leading to an accumulation of intracellular sodium.
Water follows sodium into the cell, resulting in cellular swelling and hydropic degeneration.
Question 2
A patient undergoes a biopsy of a mass found in the bronchus. The pathology report indicates that the normal ciliated columnar epithelium
has been replaced by stratified squamous epithelium. What is the clinical term for this type of cellular adaptation?
A. Hyperplasia
B. Dysplasia
C. Metaplasia
D. Anaplasia
🟢 C. Metaplasia
🔴 RATIONALE: Metaplasia is the reversible replacement of one mature cell type by another mature cell type, frequently occurring in
response to chronic irritation, such as cigarette smoke in the respiratory tract.
Question 3
During a professional seminar on ethics and genetic testing, a nurse practitioner discusses the Huntington disease gene. If a parent is
heterozygous for this autosomal dominant disorder, what is the mathematical probability that their offspring will inherit the disease?
A. 25%
B. 50%
C. 75%
D. 100%
🟢 B. 50%
🔴 RATIONALE: Autosomal dominant disorders require only one copy of the mutated gene to manifest. A heterozygous parent has a 50%
chance of passing the dominant allele to each offspring.
Question 4
A 68-year-old female presents to the emergency department with a history of chronic kidney disease. Her serum potassium level is reported
at 6.8 mEq/L. Which electrocardiogram (ECG) change is most characteristically associated with this electrolyte imbalance?
A. Prolonged QT interval
B. Prominent U waves
C. Tall, peaked T waves
D. ST-segment elevation
🟢 C. Tall, peaked T waves
🔴 RATIONALE: Hyperkalemia alters the resting membrane potential of cardiac cells, accelerating repolarization and typically manifesting as
tall, peaked T waves on an ECG.
Question 5
A clinician is reviewing the lab results of a patient presenting with generalized edema. The serum albumin level is significantly low at 1.8 g/dL.
Which pathophysiological mechanism explains the development of edema in this patient?
A. Increased capillary hydrostatic pressure
RATIONALES 2026 Q&A |LATEST EXAM UPDATE 2026/2027 CHAMBERLAIN UNIVERSITY..
CORE DOMAINS *
- Cellular Biology and Alterations *
- Alterations in Fluid and Electrolytes *
- Inflammation, Immunity, and Infection *
,- Genetic and Epigenetic Mechanisms *
- Mechanisms of Oncogenesis and Cancer Biology *
- Neurological System Alterations *
- Endocrine System Pathophysiology *
- Cardiovascular and Pulmonary Alterations *
, INTRODUCTION *
This comprehensive assessment is designed to evaluate advanced nursing *
students on their mastery of complex pathophysiological mechanisms. The *
exam measures critical diagnostic reasoning, clinical application, and *
advanced synthesis of physiological changes across the lifespan. Through *
a combination of conceptual and scenario-based multiple-choice *
questions, learners are challenged to apply foundational science to *
real-world clinical decision-making. Topics emphasize the cellular, *
genetic, and systemic disruptions that underpin common and complex *
diseases. Successful completion demonstrates readiness for professional *
practice, evidence-based management, and sound clinical oversight within *
advanced nursing roles. *
SECTION ONE: QUESTIONS 1-100
Question 1
A 45-year-old male presents with severe chest pain and is diagnosed with an acute myocardial infarction. At the cellular level, the lack of
oxygen leads to a decrease in ATP production. Which cellular change directly results from this decrease in ATP?
A. Intracellular dehydration due to decreased sodium influx
B. Cellular swelling caused by the failure of the sodium-potassium pump
C. Increased intracellular pH due to accumulation of lactic acid
D. Decreased influx of calcium ions into the mitochondria
🟢 B. Cellular swelling caused by the failure of the sodium-potassium pump
, 🔴 RATIONALE: Decreased ATP causes the failure of the ATP-dependent Na+/K+ pump, leading to an accumulation of intracellular sodium.
Water follows sodium into the cell, resulting in cellular swelling and hydropic degeneration.
Question 2
A patient undergoes a biopsy of a mass found in the bronchus. The pathology report indicates that the normal ciliated columnar epithelium
has been replaced by stratified squamous epithelium. What is the clinical term for this type of cellular adaptation?
A. Hyperplasia
B. Dysplasia
C. Metaplasia
D. Anaplasia
🟢 C. Metaplasia
🔴 RATIONALE: Metaplasia is the reversible replacement of one mature cell type by another mature cell type, frequently occurring in
response to chronic irritation, such as cigarette smoke in the respiratory tract.
Question 3
During a professional seminar on ethics and genetic testing, a nurse practitioner discusses the Huntington disease gene. If a parent is
heterozygous for this autosomal dominant disorder, what is the mathematical probability that their offspring will inherit the disease?
A. 25%
B. 50%
C. 75%
D. 100%
🟢 B. 50%
🔴 RATIONALE: Autosomal dominant disorders require only one copy of the mutated gene to manifest. A heterozygous parent has a 50%
chance of passing the dominant allele to each offspring.
Question 4
A 68-year-old female presents to the emergency department with a history of chronic kidney disease. Her serum potassium level is reported
at 6.8 mEq/L. Which electrocardiogram (ECG) change is most characteristically associated with this electrolyte imbalance?
A. Prolonged QT interval
B. Prominent U waves
C. Tall, peaked T waves
D. ST-segment elevation
🟢 C. Tall, peaked T waves
🔴 RATIONALE: Hyperkalemia alters the resting membrane potential of cardiac cells, accelerating repolarization and typically manifesting as
tall, peaked T waves on an ECG.
Question 5
A clinician is reviewing the lab results of a patient presenting with generalized edema. The serum albumin level is significantly low at 1.8 g/dL.
Which pathophysiological mechanism explains the development of edema in this patient?
A. Increased capillary hydrostatic pressure
