SCI225 PATHOPHYSIOLOGY MIDTERM EXAM COMPREHENSIVE
GUIDE 2026/2027 UPDATE |NIGHTINGALE
SCI 225 PATHOPHYSIOLOGY
Midterm Exam Comprehensive Guide — 2026/2027 Update
Nightingale College
Course: SCI 225 — Pathophysiology
Academic Year: 2026/2027
Resource Type: Comprehensive Midterm Practice Exam & Study Guide
Questions: 200
Format: Multiple Choice and Short Answer
Includes: Correct Answers + Detailed Rationales
TABLE OF CONTENTS
Section Content Questions
I Introduction & Foundational Principles 1–40
II Core Concepts of Pathophysiology 41–80
III Applied Clinical Scenarios 81–120
IV Critical Thinking & Integrated Cases 121–160
V Review Questions & Comprehensive Practice 161–200
Total: 200 Questions
SECTION I — INTRODUCTION & FOUNDATIONAL PRINCIPLES
Questions 1–40
Question 1
Which statement best defines pathophysiology?
,A. The study of normal anatomy
B. The study of how disease alters normal physiological function
C. The study of medications exclusively
D. The classification of microorganisms
Correct Answer: B
Rationale: Pathophysiology examines functional changes produced by disease or injury.
Understanding normal physiology first allows the learner to recognize how disease disrupts
normal processes.
Question 2
Which term describes the cause or origin of a disease?
A. Pathogenesis
B. Etiology
C. Prognosis
D. Manifestation
Correct Answer: B
Rationale: Etiology refers to the cause or origin of a disease. Pathogenesis describes the
mechanisms through which the disease develops, while prognosis concerns the expected
outcome.
Question 3
What does pathogenesis describe?
A. The patient's subjective complaint
B. The expected financial cost of treatment
C. The sequence of mechanisms through which disease develops
D. The patient's genetic ancestry
Correct Answer: C
Rationale: Pathogenesis explains how a disease develops from its initiating cause through
cellular, tissue, and systemic changes.
Question 4
Which finding is a subjective symptom?
,A. Blood pressure of 150/90 mmHg
B. Temperature of 39°C
C. Patient-reported nausea
D. Serum sodium of 130 mEq/L
Correct Answer: C
Rationale: Symptoms are subjective experiences reported by the patient. Vital signs and
laboratory values are objective findings.
Question 5
Which finding is an objective sign?
A. Fatigue
B. Pain
C. Dizziness
D. Elevated temperature
Correct Answer: D
Rationale: A sign is objectively observable or measurable. Temperature can be measured and
therefore represents an objective sign.
Question 6
Homeostasis refers to:
A. Complete absence of physiological change
B. Maintenance of a relatively stable internal environment
C. Permanent cellular adaptation
D. Elimination of all disease
Correct Answer: B
Rationale: Homeostasis involves maintaining internal conditions within a functional range
despite changes in the internal or external environment.
Question 7
Which system is primarily responsible for rapidly coordinating many physiological responses?
, A. Nervous system
B. Skeletal system
C. Integumentary system
D. Digestive system
Correct Answer: A
Rationale: The nervous system provides rapid electrical and chemical communication that
coordinates body functions.
Question 8
Negative feedback generally functions to:
A. Amplify a physiological disturbance
B. Return a variable toward its normal range
C. Prevent all physiological changes
D. Destroy damaged cells
Correct Answer: B
Rationale: Negative feedback counteracts deviations from a set point or normal range.
Regulation of body temperature is a classic example.
Question 9
Which is an example of positive feedback?
A. Blood glucose regulation
B. Thermoregulation
C. Blood clotting
D. Blood pressure regulation
Correct Answer: C
Rationale: Positive feedback amplifies a process. During coagulation, activated clotting factors
promote activation of additional factors until the clotting response is completed.
Question 10
A disease that develops rapidly and lasts a relatively short time is described as:
GUIDE 2026/2027 UPDATE |NIGHTINGALE
SCI 225 PATHOPHYSIOLOGY
Midterm Exam Comprehensive Guide — 2026/2027 Update
Nightingale College
Course: SCI 225 — Pathophysiology
Academic Year: 2026/2027
Resource Type: Comprehensive Midterm Practice Exam & Study Guide
Questions: 200
Format: Multiple Choice and Short Answer
Includes: Correct Answers + Detailed Rationales
TABLE OF CONTENTS
Section Content Questions
I Introduction & Foundational Principles 1–40
II Core Concepts of Pathophysiology 41–80
III Applied Clinical Scenarios 81–120
IV Critical Thinking & Integrated Cases 121–160
V Review Questions & Comprehensive Practice 161–200
Total: 200 Questions
SECTION I — INTRODUCTION & FOUNDATIONAL PRINCIPLES
Questions 1–40
Question 1
Which statement best defines pathophysiology?
,A. The study of normal anatomy
B. The study of how disease alters normal physiological function
C. The study of medications exclusively
D. The classification of microorganisms
Correct Answer: B
Rationale: Pathophysiology examines functional changes produced by disease or injury.
Understanding normal physiology first allows the learner to recognize how disease disrupts
normal processes.
Question 2
Which term describes the cause or origin of a disease?
A. Pathogenesis
B. Etiology
C. Prognosis
D. Manifestation
Correct Answer: B
Rationale: Etiology refers to the cause or origin of a disease. Pathogenesis describes the
mechanisms through which the disease develops, while prognosis concerns the expected
outcome.
Question 3
What does pathogenesis describe?
A. The patient's subjective complaint
B. The expected financial cost of treatment
C. The sequence of mechanisms through which disease develops
D. The patient's genetic ancestry
Correct Answer: C
Rationale: Pathogenesis explains how a disease develops from its initiating cause through
cellular, tissue, and systemic changes.
Question 4
Which finding is a subjective symptom?
,A. Blood pressure of 150/90 mmHg
B. Temperature of 39°C
C. Patient-reported nausea
D. Serum sodium of 130 mEq/L
Correct Answer: C
Rationale: Symptoms are subjective experiences reported by the patient. Vital signs and
laboratory values are objective findings.
Question 5
Which finding is an objective sign?
A. Fatigue
B. Pain
C. Dizziness
D. Elevated temperature
Correct Answer: D
Rationale: A sign is objectively observable or measurable. Temperature can be measured and
therefore represents an objective sign.
Question 6
Homeostasis refers to:
A. Complete absence of physiological change
B. Maintenance of a relatively stable internal environment
C. Permanent cellular adaptation
D. Elimination of all disease
Correct Answer: B
Rationale: Homeostasis involves maintaining internal conditions within a functional range
despite changes in the internal or external environment.
Question 7
Which system is primarily responsible for rapidly coordinating many physiological responses?
, A. Nervous system
B. Skeletal system
C. Integumentary system
D. Digestive system
Correct Answer: A
Rationale: The nervous system provides rapid electrical and chemical communication that
coordinates body functions.
Question 8
Negative feedback generally functions to:
A. Amplify a physiological disturbance
B. Return a variable toward its normal range
C. Prevent all physiological changes
D. Destroy damaged cells
Correct Answer: B
Rationale: Negative feedback counteracts deviations from a set point or normal range.
Regulation of body temperature is a classic example.
Question 9
Which is an example of positive feedback?
A. Blood glucose regulation
B. Thermoregulation
C. Blood clotting
D. Blood pressure regulation
Correct Answer: C
Rationale: Positive feedback amplifies a process. During coagulation, activated clotting factors
promote activation of additional factors until the clotting response is completed.
Question 10
A disease that develops rapidly and lasts a relatively short time is described as:
