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UNDERSTANDING ANATOMY & PHYSIOLOGY (4TH
EDITION) BY GALE SLOAN THOMPSON –
COMPREHENSIVE EXAM PREP 2026 ACTUAL EXAM
QUESTIONS 2026 – 2027 LATEST VERSION SOLVED
QUESTIONS & ANSWERS
Understanding Anatomy & Physiology (4th Edition) by Gale Sloan Thompson –
Comprehensive Exam Prep (250 Practice Questions with Rationales)
Welcome to this comprehensive practice exam for Understanding Anatomy &
Physiology: A Visual, Auditory, Interactive Approach, 4th Edition by Gale Sloan
Thompson. This resource is designed to help you master the foundational concepts of
human anatomy and physiology through an engaging, visual, and interactive approach
that breaks complex topics into manageable, easy-to-grasp sections .
SECTION 1: ORIENTATION TO THE HUMAN BODY (Questions 1-25)
1. In the anatomical position, the body is:
A. Lying face down with palms facing posteriorly
B. Standing upright with feet parallel, arms at the sides, and palms facing anteriorly
C. Lying on the side with arms crossed
D. Standing upright with feet together and palms facing posteriorly
Answer: B
Rationale: The anatomical position is the standard reference position for the body. The
body is standing upright, feet parallel and flat on the floor, arms at the sides with palms
facing forward (anteriorly), and head facing forward with eyes straight ahead. This
position provides a consistent frame of reference for anatomical terminology .
2. The plane that divides the body into right and left halves is the:
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A. Transverse plane
B. Coronal plane
C. Sagittal plane
D. Frontal plane
Answer: C
Rationale: The sagittal plane is a vertical plane that divides the body into right and left
portions. The median (midsagittal) plane divides the body into equal right and left
halves. The frontal (coronal) plane divides the body into anterior and posterior portions.
The transverse (horizontal) plane divides the body into superior and inferior portions.
Understanding these planes is fundamental to anatomical description .
3. The term "superior" means:
A. Toward the front of the body
B. Toward the midline of the body
C. Toward the head or upper part of the body
D. Toward the feet or lower part of the body
Answer: C
Rationale: Superior means toward the head or upper part of the body. Inferior means
toward the feet or lower part of the body. Anterior (ventral) means toward the front, and
posterior (dorsal) means toward the back. Medial means toward the midline, and lateral
means away from the midline. These directional terms are essential for describing the
position of structures relative to each other.
4. The abdominopelvic region located in the upper right quadrant is the:
A. Right upper quadrant (RUQ)
B. Left upper quadrant (LUQ)
C. Right lower quadrant (RLQ)
D. Left lower quadrant (LLQ)
Answer: A
Rationale: The abdominopelvic cavity is divided into four quadrants: the right upper
quadrant (RUQ), left upper quadrant (LUQ), right lower quadrant (RLQ), and left lower
quadrant (LLQ). The RUQ contains the liver, gallbladder, duodenum, right kidney, and
parts of the pancreas and colon. This quadrant system is commonly used in clinical
practice to describe locations of pain and organs .
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5. Which organ system is responsible for protecting the body from pathogens and
disease?
A. Skeletal system
B. Lymphatic and immune system
C. Endocrine system
D. Nervous system
Answer: B
Rationale: The lymphatic and immune systems work together to protect the body from
pathogens and disease. The immune system provides both innate (non-specific) and
adaptive (specific) immunity. This system has been a focus of recent updates to the text,
including coverage of how epidemics and pandemics develop and how vaccines work .
6. The dorsal body cavity contains:
A. The lungs and heart
B. The brain and spinal cord
C. The stomach and intestines
D. The kidneys and bladder
Answer: B
Rationale: The dorsal body cavity is located on the posterior (back) side of the body and
contains the cranial cavity (housing the brain) and the vertebral cavity (housing the
spinal cord). The ventral body cavity is located on the anterior side and contains the
thoracic and abdominopelvic cavities. This division is important for understanding organ
protection and organization.
7. The abdominopelvic region that is located in the center is the:
A. Epigastric region
B. Hypogastric region
C. Umbilical region
D. Lumbar region
Answer: C
Rationale: The abdominopelvic cavity is divided into nine regions. The umbilical region is
the center region surrounding the umbilicus (navel). Surrounding regions include the
epigastric (superior to umbilical), hypogastric (inferior to umbilical), right and left
hypochondriac, right and left lumbar, and right and left iliac regions. These regions
provide more precise anatomical localization than quadrants .
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8. The process of maintaining a stable internal environment is called:
A. Metabolism
B. Homeostasis
C. Anabolism
D. Catabolism
Answer: B
Rationale: Homeostasis is the dynamic process by which the body maintains a stable
internal environment despite changes in the external environment. It involves
continuous monitoring and adjustment through negative feedback mechanisms. This
concept is fundamental to understanding how the body functions in health and
disease .
9. Which level of structural organization is the simplest?
A. Tissue level
B. Organ level
C. Chemical level
D. Cellular level
Answer: C
Rationale: The chemical level is the simplest level of structural organization, consisting
of atoms and molecules. The levels of organization, from simplest to most complex, are:
chemical, cellular, tissue, organ, organ system, and organism. This hierarchy helps us
understand how the body is built and how each level contributes to overall function.
10. The thoracic cavity contains which of the following?
A. The heart and lungs
B. The stomach and intestines
C. The kidneys and bladder
D. The liver and gallbladder
Answer: A
Rationale: The thoracic cavity is located in the chest and contains the heart, lungs,
esophagus, trachea, and major blood vessels. It is separated from the abdominopelvic
cavity by the diaphragm. The heart is located in the mediastinum, the central region of
the thoracic cavity .
UNDERSTANDING ANATOMY & PHYSIOLOGY (4TH
EDITION) BY GALE SLOAN THOMPSON –
COMPREHENSIVE EXAM PREP 2026 ACTUAL EXAM
QUESTIONS 2026 – 2027 LATEST VERSION SOLVED
QUESTIONS & ANSWERS
Understanding Anatomy & Physiology (4th Edition) by Gale Sloan Thompson –
Comprehensive Exam Prep (250 Practice Questions with Rationales)
Welcome to this comprehensive practice exam for Understanding Anatomy &
Physiology: A Visual, Auditory, Interactive Approach, 4th Edition by Gale Sloan
Thompson. This resource is designed to help you master the foundational concepts of
human anatomy and physiology through an engaging, visual, and interactive approach
that breaks complex topics into manageable, easy-to-grasp sections .
SECTION 1: ORIENTATION TO THE HUMAN BODY (Questions 1-25)
1. In the anatomical position, the body is:
A. Lying face down with palms facing posteriorly
B. Standing upright with feet parallel, arms at the sides, and palms facing anteriorly
C. Lying on the side with arms crossed
D. Standing upright with feet together and palms facing posteriorly
Answer: B
Rationale: The anatomical position is the standard reference position for the body. The
body is standing upright, feet parallel and flat on the floor, arms at the sides with palms
facing forward (anteriorly), and head facing forward with eyes straight ahead. This
position provides a consistent frame of reference for anatomical terminology .
2. The plane that divides the body into right and left halves is the:
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A. Transverse plane
B. Coronal plane
C. Sagittal plane
D. Frontal plane
Answer: C
Rationale: The sagittal plane is a vertical plane that divides the body into right and left
portions. The median (midsagittal) plane divides the body into equal right and left
halves. The frontal (coronal) plane divides the body into anterior and posterior portions.
The transverse (horizontal) plane divides the body into superior and inferior portions.
Understanding these planes is fundamental to anatomical description .
3. The term "superior" means:
A. Toward the front of the body
B. Toward the midline of the body
C. Toward the head or upper part of the body
D. Toward the feet or lower part of the body
Answer: C
Rationale: Superior means toward the head or upper part of the body. Inferior means
toward the feet or lower part of the body. Anterior (ventral) means toward the front, and
posterior (dorsal) means toward the back. Medial means toward the midline, and lateral
means away from the midline. These directional terms are essential for describing the
position of structures relative to each other.
4. The abdominopelvic region located in the upper right quadrant is the:
A. Right upper quadrant (RUQ)
B. Left upper quadrant (LUQ)
C. Right lower quadrant (RLQ)
D. Left lower quadrant (LLQ)
Answer: A
Rationale: The abdominopelvic cavity is divided into four quadrants: the right upper
quadrant (RUQ), left upper quadrant (LUQ), right lower quadrant (RLQ), and left lower
quadrant (LLQ). The RUQ contains the liver, gallbladder, duodenum, right kidney, and
parts of the pancreas and colon. This quadrant system is commonly used in clinical
practice to describe locations of pain and organs .
, Page 3 of 86
5. Which organ system is responsible for protecting the body from pathogens and
disease?
A. Skeletal system
B. Lymphatic and immune system
C. Endocrine system
D. Nervous system
Answer: B
Rationale: The lymphatic and immune systems work together to protect the body from
pathogens and disease. The immune system provides both innate (non-specific) and
adaptive (specific) immunity. This system has been a focus of recent updates to the text,
including coverage of how epidemics and pandemics develop and how vaccines work .
6. The dorsal body cavity contains:
A. The lungs and heart
B. The brain and spinal cord
C. The stomach and intestines
D. The kidneys and bladder
Answer: B
Rationale: The dorsal body cavity is located on the posterior (back) side of the body and
contains the cranial cavity (housing the brain) and the vertebral cavity (housing the
spinal cord). The ventral body cavity is located on the anterior side and contains the
thoracic and abdominopelvic cavities. This division is important for understanding organ
protection and organization.
7. The abdominopelvic region that is located in the center is the:
A. Epigastric region
B. Hypogastric region
C. Umbilical region
D. Lumbar region
Answer: C
Rationale: The abdominopelvic cavity is divided into nine regions. The umbilical region is
the center region surrounding the umbilicus (navel). Surrounding regions include the
epigastric (superior to umbilical), hypogastric (inferior to umbilical), right and left
hypochondriac, right and left lumbar, and right and left iliac regions. These regions
provide more precise anatomical localization than quadrants .
, Page 4 of 86
8. The process of maintaining a stable internal environment is called:
A. Metabolism
B. Homeostasis
C. Anabolism
D. Catabolism
Answer: B
Rationale: Homeostasis is the dynamic process by which the body maintains a stable
internal environment despite changes in the external environment. It involves
continuous monitoring and adjustment through negative feedback mechanisms. This
concept is fundamental to understanding how the body functions in health and
disease .
9. Which level of structural organization is the simplest?
A. Tissue level
B. Organ level
C. Chemical level
D. Cellular level
Answer: C
Rationale: The chemical level is the simplest level of structural organization, consisting
of atoms and molecules. The levels of organization, from simplest to most complex, are:
chemical, cellular, tissue, organ, organ system, and organism. This hierarchy helps us
understand how the body is built and how each level contributes to overall function.
10. The thoracic cavity contains which of the following?
A. The heart and lungs
B. The stomach and intestines
C. The kidneys and bladder
D. The liver and gallbladder
Answer: A
Rationale: The thoracic cavity is located in the chest and contains the heart, lungs,
esophagus, trachea, and major blood vessels. It is separated from the abdominopelvic
cavity by the diaphragm. The heart is located in the mediastinum, the central region of
the thoracic cavity .