4th Edition by Judi Nath, Carie Braun & Cindy Anderson
Chapters 1-20
Table of Contents
Applied Pathophysiology: A Conceptual Approach....................................................................................... 1
4th Edition by Judi Nath, Carie Braun & Cindy Anderson ..................................................................... 2
Complete Test Bank | Chapters 1-20 | Latest 2025/2026 ..................................................................... 2
Chapter 1: Introduction to Pathophysiology .................................................................................................... 3
�Chapter 1 Key Takeaways ................................................................................................................................ 16
Chapter 2: Altered Cells and Tissues
.................................................................................................................................................................................................. 17
Chapter 4: Altered Immunity ....................................................................................................................................... 31
Chapter 5: Infection ......................................................................................................................................................... 38
Chapter 6: Genetics and Genetic Disorders ........................................................................................................... 45
Chapter 7: Altered Cellular Proliferation and Differentiation (Neoplasia) .............................................. 51
Chapter 8: Altered Fluid, Electrolyte, and Acid-Base Balance........................................................................ 58
Chapter 9: Altered Stress and Neuroendocrine Function ................................................................................ 65
Chapter 11: Altered Urinary Function ..................................................................................................................... 79
Chapter 12: Altered Cardiovascular Function ...................................................................................................... 86
Chapter 13: Altered Respiratory Function ............................................................................................................. 92
Chapter 14: Altered Hematologic and Immune Function ................................................................................ 99
Chapter 14: Altered Hematologic and Immune Function (continued).................................................... 104
Chapter 15: Altered Neurologic Function............................................................................................................ 107
Chapter 16: Altered Sensory Function .................................................................................................................. 114
Chapter 17: Altered Endocrine Function ............................................................................................................. 118
Chapter 18: Altered Reproductive Function ...................................................................................................... 122
Chapter 19: Altered Musculoskeletal Function ................................................................................................. 125
, Chapter 20: Altered Integumentary Function ................................................................................................... 129
Chapter 1: Introduction to Pathophysiology
Question 1
Which term is defined as the study of the mechanisms of human body functioning?
A) Pathology
B) Physiology
C) Anatomy
D) Pathophysiology
Correct Answer: B
Rationale:
Correct (B): Physiology is the study of the mechanisms of human body functioning.
Pathology is the study of changes in cells and tissues as a result of injury or disease.
Anatomy is the study of body structures. Pathophysiology is the study of mechanisms of
disease, combining pathology with physiology. Understanding physiology is fundamental to
recognizing when disease processes alter normal function.
Incorrect (A): Pathology focuses on disease-related changes in cells and tissues, not
normal body functioning.
Incorrect (C): Anatomy is the study of body structures, not their functions or
mechanisms.
Incorrect (D): Pathophysiology specifically addresses disease mechanisms, not normal
body functioning.
Study Tip: "Physiology = function of the body; Pathology = disease changes; Pathophysiology
= how disease changes function."
Question 2
Which statement best describes the health-illness continuum?
A) It is a dynamic entity.
B) It is based on objective data.
C) It represents two exclusive categories.
D) It is focused on physical well-being.
, Correct Answer: A
Rationale:
Correct (A): The health-illness continuum is a dynamic, fluid entity that recognizes
health and illness as relative concepts rather than absolute states. Individuals move along
the continuum throughout their lives in response to various internal and external factors. It
ranges from optimal health to severe illness, with most people falling somewhere between
the extremes at any given time.
Incorrect (B): The continuum is based largely on subjective perceptions and
experiences, not purely objective measurable data.
Incorrect (C): Health and illness are not exclusive categories; they exist along a
spectrum with no clear dividing line.
Incorrect (D): The continuum encompasses physical, mental, social, and spiritual well-
being, not just physical health.
Study Tip: "Health is not just 'sick or well'—it's a sliding scale that changes daily based on
multiple factors."
Question 3
Which concept is often equated with health?
A) Homeostasis
B) Disease
C) Objectivity
D) Uneventful physical examination
Correct Answer: A
Rationale:
Correct (A): Homeostasis refers to the maintenance of a stable internal environment
despite external changes, and it is often equated with health. When the body successfully
maintains homeostasis, individuals perceive themselves as healthy. The health-illness
continuum reflects how well homeostatic mechanisms are functioning. Disease represents
a failure of homeostatic regulation.
Incorrect (B): Disease is the functional impairment of cells, tissues, organs, or organ
systems, representing the opposite of health.
Incorrect (C): Health is reflected in the client's perception, making it subjective, not
objective.
Incorrect (D): An uneventful physical examination addresses only one aspect of health,
not the complete biopsychosocial picture.