PHYSIOLOGY (4TH EDITION) – COMPLETE
CHAPTERS 1–25 | VISUAL, AUDITORY &
INTERACTIVE LEARNING Q&A | NEWEST
VERIFIED EXAM QUESTIONS & ANSWERS |
GRADE A+ STUDY GUIDE
• This test bank covers all 25 chapters of Understanding Anatomy & Physiology (4th
Edition) by Taggart — featuring verified exam-quality MCQs with highlighted correct
answers and EXPERT RATIONALE to reinforce learning.
• Use this material by reading each question carefully, selecting your answer before
checking the correct option, then studying the EXPERT RATIONALE to understand
the why behind every answer.
UNDERSTANDING ANATOMY & PHYSIOLOGY (4TH EDITION)
Complete Test Bank | Chapters 1–25 | Questions
CHAPTER 1: INTRODUCTION TO ANATOMY & PHYSIOLOGY
1. What is the primary focus of anatomy?
A. The study of body functions
B. The study of chemical reactions in the body
C. The study of body structure and organization
D. The study of disease processes
E. The study of cellular metabolism
CORRECT ANSWER: C. The study of body structure and organization
EXPERT RATIONALE: Anatomy is defined as the study of the structure and organization
of the body and its parts, whereas physiology focuses on how those structures function.
,2. Which term describes the study of how the body functions?
A. Histology
B. Cytology
C. Pathology
D. Physiology
E. Embryology
CORRECT ANSWER: D. Physiology
EXPERT RATIONALE: Physiology is the branch of science that studies the mechanical,
physical, and biochemical functions of living organisms.
3. Which of the following best represents the correct order of structural
organization from simplest to most complex?
A. Organ → Tissue → Cell → Organism → Organ System
B. Cell → Tissue → Organ → Organ System → Organism
C. Tissue → Cell → Organ → Organism → Organ System
D. Organism → Organ System → Organ → Tissue → Cell
E. Cell → Organ → Tissue → Organ System → Organism
CORRECT ANSWER: B. Cell → Tissue → Organ → Organ System → Organism
EXPERT RATIONALE: The correct hierarchy of structural organization begins at the
cellular level, progresses to tissues, then organs, then organ systems, and finally the
whole organism.
4. What is homeostasis?
A. The study of body tissues
B. The process of cellular reproduction
,C. The body's ability to maintain a stable internal environment
D. The movement of substances across cell membranes
E. The breakdown of complex molecules into simpler ones
CORRECT ANSWER: C. The body's ability to maintain a stable internal
environment
EXPERT RATIONALE: Homeostasis refers to the dynamic equilibrium the body maintains
through various regulatory mechanisms to keep internal conditions stable.
5. Which plane divides the body into superior and inferior portions?
A. Sagittal plane
B. Frontal plane
C. Transverse plane
D. Oblique plane
E. Midsagittal plane
CORRECT ANSWER: C. Transverse plane
EXPERT RATIONALE: The transverse (horizontal) plane divides the body into upper
(superior) and lower (inferior) sections.
6. The term "anterior" in human anatomy refers to:
A. Toward the back
B. Toward the side
C. Toward the front
D. Toward the midline
E. Toward the bottom
CORRECT ANSWER: C. Toward the front
, EXPERT RATIONALE: Anterior (also called ventral) means toward the front surface of the
body.
7. Which of the following is a negative feedback mechanism?
A. Blood clotting after an injury
B. Uterine contractions during childbirth
C. Regulation of body temperature
D. Milk production during breastfeeding
E. Platelet aggregation
CORRECT ANSWER: C. Regulation of body temperature
EXPERT RATIONALE: Negative feedback mechanisms counteract changes to restore
homeostasis. Body temperature regulation is a classic example where the response
opposes the original stimulus.
8. Which body cavity contains the heart and lungs?
A. Abdominal cavity
B. Pelvic cavity
C. Cranial cavity
D. Thoracic cavity
E. Spinal cavity
CORRECT ANSWER: D. Thoracic cavity
EXPERT RATIONALE: The thoracic cavity is located in the chest and houses the heart (in
the mediastinum) and the lungs.
9. The anatomical position is described as: