NR283 PATHOPHYSIOLOGY PRACTICE EXAM QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS RATIONALES 2026 Q&A | INSTANT DOWNLOAD PDF
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,CORE DOMAINS
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Cellular Pathophysiology and Injury Mechanisms
Inflammation, Immunity, and Infectious Disease
Cardiovascular System Disorders
Respiratory System Disorders
Renal and Urinary System Pathophysiology
Endocrine System Disorders
Hematologic Disorders and Neoplasia
Fluid, Electrolyte, and Acid-Base Balance
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,INTRODUCTION
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This practice exam is designed to assess your understanding of fundamental
pathophysiology concepts essential for nursing practice. The 100 multiple-choice
questions evaluate your knowledge of disease mechanisms, clinical manifestations,
diagnostic criteria, and nursing interventions across major body systems. The
exam includes both foundational theory questions and scenario-based clinical
applications that emphasize real-world decision-making. Each question includes
a detailed rationale to reinforce learning and help you understand the
underlying pathophysiological principles. This resource supports exam
preparation while developing critical thinking skills needed for patient care.
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SECTION ONE: QUESTIONS 1–100
Question 1
Which of the following best describes the primary mechanism of cellular injury in hypoxia?
, A. Increased ATP production leading to cellular swelling
B. Decreased ATP production leading to failure of ion pumps
C. Increased oxygen radical formation causing membrane damage
D. Decreased calcium influx resulting in cell shrinkage
🟢 B. Decreased ATP production leading to failure of ion pumps
🔴 RATIONALE: Hypoxia reduces oxygen availability for aerobic metabolism, decreasing ATP production.
Without adequate ATP, sodium-potassium ion pumps fail, leading to cellular swelling and eventual injury.
Question 2
A patient presents with fever, leukocytosis, and elevated CRP. Which inflammatory mediator is most
responsible for fever induction?
A. Histamine
B. Prostaglandin E2
C. Bradykinin
D. Leukotriene B4
🟢 B. Prostaglandin E2
🔴 RATIONALE: Prostaglandin E2 acts on the hypothalamus to increase the body's temperature set point,
causing fever. This is a key effect of cytokines like IL-1 and TNF-alpha during inflammation.
(VERIFIED ANSWERS) PLUS RATIONALES 2026 Q&A | INSTANT DOWNLOAD PDF
*
,CORE DOMAINS
*
Cellular Pathophysiology and Injury Mechanisms
Inflammation, Immunity, and Infectious Disease
Cardiovascular System Disorders
Respiratory System Disorders
Renal and Urinary System Pathophysiology
Endocrine System Disorders
Hematologic Disorders and Neoplasia
Fluid, Electrolyte, and Acid-Base Balance
*
,INTRODUCTION
*
This practice exam is designed to assess your understanding of fundamental
pathophysiology concepts essential for nursing practice. The 100 multiple-choice
questions evaluate your knowledge of disease mechanisms, clinical manifestations,
diagnostic criteria, and nursing interventions across major body systems. The
exam includes both foundational theory questions and scenario-based clinical
applications that emphasize real-world decision-making. Each question includes
a detailed rationale to reinforce learning and help you understand the
underlying pathophysiological principles. This resource supports exam
preparation while developing critical thinking skills needed for patient care.
*
SECTION ONE: QUESTIONS 1–100
Question 1
Which of the following best describes the primary mechanism of cellular injury in hypoxia?
, A. Increased ATP production leading to cellular swelling
B. Decreased ATP production leading to failure of ion pumps
C. Increased oxygen radical formation causing membrane damage
D. Decreased calcium influx resulting in cell shrinkage
🟢 B. Decreased ATP production leading to failure of ion pumps
🔴 RATIONALE: Hypoxia reduces oxygen availability for aerobic metabolism, decreasing ATP production.
Without adequate ATP, sodium-potassium ion pumps fail, leading to cellular swelling and eventual injury.
Question 2
A patient presents with fever, leukocytosis, and elevated CRP. Which inflammatory mediator is most
responsible for fever induction?
A. Histamine
B. Prostaglandin E2
C. Bradykinin
D. Leukotriene B4
🟢 B. Prostaglandin E2
🔴 RATIONALE: Prostaglandin E2 acts on the hypothalamus to increase the body's temperature set point,
causing fever. This is a key effect of cytokines like IL-1 and TNF-alpha during inflammation.
