NR565 Test Bank — Style Review (16th Ed., Patton & Thibodeau) Practice
Structure & Function of the Body
Complete test bank 16th Edition byPatton &
Thibodeau
150 Questions correct answers and rationales.
Covers body organization, chemistry of life, cells, tissues, and all major organ systems: integumentary, skeletal, muscular,
nervous, senses, endocrine, blood, cardiovascular, lymphatic/immune, respiratory, digestive, urinary, fluid/electrolyte/acid-
base balance, reproductive, and growth & development.
The correct answer is bolded and highlighted in yellow immediately below each question's choices, followed by a brief
rationale.
1
, NR565 Test Bank — Style Review (16th Ed., Patton & Thibodeau) Practice
Contents
Introduction to the Body — Questions 1–10
Chemistry of Life — Questions 11–18
Cells — Questions 19–26
Tissues — Questions 27–34
Integumentary System — Questions 35–42
Skeletal System — Questions 43–53
Muscular System — Questions 54–63
Nervous System — Questions 64–76
Senses — Questions 77–82
Endocrine System — Questions 83–90
Blood — Questions 91–96
Cardiovascular System — Questions 97–107
Lymphatic System & Immunity — Questions 108–113
Respiratory System — Questions 114–121
Digestive System — Questions 122–129
Urinary System — Questions 130–135
Fluid, Electrolyte & Acid-Base Balance — Questions 136–140
Reproductive System — Questions 141–146
Growth & Development — Questions 147–150
2
, NR565 Test Bank — Style Review (16th Ed., Patton & Thibodeau) Practice
Introduction to the Body
1. Anatomy is best defined as the study of:
A. Body structure
B. Body function
C. Only microscopic cell structure
D. Only disease processes
Correct Answer: A. Body structure
Rationale: Anatomy is the branch of science concerned with the structure of the body and the relationships among its
parts.
2. Physiology is best defined as the study of:
A. Body function
B. Body structure
C. Only gross (macroscopic) structure
D. Only the skeletal system
Correct Answer: A. Body function
Rationale: Physiology is the branch of science concerned with how the body and its parts function.
3. Which of the following represents the correct order of structural organization in the body, from simplest to most complex?
A. Chemical, cellular, tissue, organ, organ system, organism
B. Organism, organ system, organ, tissue, cellular, chemical
C. Tissue, cellular, chemical, organ, organ system, organism
D. Cellular, chemical, tissue, organ system, organ, organism
Correct Answer: A. Chemical, cellular, tissue, organ, organ system, organism
Rationale: The levels of structural organization proceed from the chemical level, to cells, to tissues, to organs, to organ
systems, and finally to the entire organism.
4. Homeostasis is best defined as:
A. A relatively stable state of internal balance maintained by the body despite external changes
B. A state of complete physiological equilibrium with no ongoing regulation
C. A process that occurs only during illness
D. A term referring exclusively to body temperature regulation
Correct Answer: A. A relatively stable state of internal balance maintained by the body despite external changes
Rationale: Homeostasis refers to the relatively stable internal environment the body maintains despite ongoing changes
in the external environment, achieved through continuous regulatory processes.
5. A negative feedback loop in the body functions to:
A. Reverse a change and return a variable toward its normal set point
B. Amplify a change and push a variable further from its set point
C. Have no effect on the variable being regulated
D. Function only during pathological states, not normal physiology
Correct Answer: A. Reverse a change and return a variable toward its normal set point
Rationale: Negative feedback loops are the most common homeostatic mechanism, working to reverse a detected change
and return a physiological variable back toward its normal set point.
6. Which anatomical position description assumes the body is standing erect, facing forward, with arms at the sides and
palms facing forward?
A. Anatomical position
B. Prone position
C. Supine position
D. Fowler's position
3
, NR565 Test Bank — Style Review (16th Ed., Patton & Thibodeau) Practice
Correct Answer: A. Anatomical position
Rationale: Anatomical position is the standard reference position used in anatomy: standing erect, facing forward, arms
at the sides, and palms facing forward, providing a consistent frame of reference for directional terminology.
7. Which directional term means "toward the head" or "above"?
A. Superior
B. Inferior
C. Medial
D. Lateral
Correct Answer: A. Superior
Rationale: Superior refers to a position toward the head or upper part of a structure, the opposite of inferior.
8. Which directional term means "toward the midline of the body"?
A. Medial
B. Lateral
C. Proximal
D. Distal
Correct Answer: A. Medial
Rationale: Medial refers to a position toward the midline of the body, the opposite of lateral, which refers to a position
away from the midline.
9. The two major body cavities are the dorsal cavity and the:
A. Ventral cavity
B. Cranial cavity exclusively
C. Thoracic cavity exclusively
D. Pelvic cavity exclusively
Correct Answer: A. Ventral cavity
Rationale: The body is divided into two main cavities: the dorsal cavity (containing the cranial and spinal cavities) and
the ventral cavity (containing the thoracic and abdominopelvic cavities).
10. The diaphragm is the muscular structure that separates which two cavities?
A. The thoracic cavity and the abdominal cavity
B. The cranial cavity and the spinal cavity
C. The abdominal cavity and the pelvic cavity
D. The dorsal cavity and the ventral cavity
Correct Answer: A. The thoracic cavity and the abdominal cavity
Rationale: The diaphragm is the dome-shaped muscle that separates the thoracic cavity (containing the heart and lungs)
from the abdominal cavity below it.
4
Structure & Function of the Body
Complete test bank 16th Edition byPatton &
Thibodeau
150 Questions correct answers and rationales.
Covers body organization, chemistry of life, cells, tissues, and all major organ systems: integumentary, skeletal, muscular,
nervous, senses, endocrine, blood, cardiovascular, lymphatic/immune, respiratory, digestive, urinary, fluid/electrolyte/acid-
base balance, reproductive, and growth & development.
The correct answer is bolded and highlighted in yellow immediately below each question's choices, followed by a brief
rationale.
1
, NR565 Test Bank — Style Review (16th Ed., Patton & Thibodeau) Practice
Contents
Introduction to the Body — Questions 1–10
Chemistry of Life — Questions 11–18
Cells — Questions 19–26
Tissues — Questions 27–34
Integumentary System — Questions 35–42
Skeletal System — Questions 43–53
Muscular System — Questions 54–63
Nervous System — Questions 64–76
Senses — Questions 77–82
Endocrine System — Questions 83–90
Blood — Questions 91–96
Cardiovascular System — Questions 97–107
Lymphatic System & Immunity — Questions 108–113
Respiratory System — Questions 114–121
Digestive System — Questions 122–129
Urinary System — Questions 130–135
Fluid, Electrolyte & Acid-Base Balance — Questions 136–140
Reproductive System — Questions 141–146
Growth & Development — Questions 147–150
2
, NR565 Test Bank — Style Review (16th Ed., Patton & Thibodeau) Practice
Introduction to the Body
1. Anatomy is best defined as the study of:
A. Body structure
B. Body function
C. Only microscopic cell structure
D. Only disease processes
Correct Answer: A. Body structure
Rationale: Anatomy is the branch of science concerned with the structure of the body and the relationships among its
parts.
2. Physiology is best defined as the study of:
A. Body function
B. Body structure
C. Only gross (macroscopic) structure
D. Only the skeletal system
Correct Answer: A. Body function
Rationale: Physiology is the branch of science concerned with how the body and its parts function.
3. Which of the following represents the correct order of structural organization in the body, from simplest to most complex?
A. Chemical, cellular, tissue, organ, organ system, organism
B. Organism, organ system, organ, tissue, cellular, chemical
C. Tissue, cellular, chemical, organ, organ system, organism
D. Cellular, chemical, tissue, organ system, organ, organism
Correct Answer: A. Chemical, cellular, tissue, organ, organ system, organism
Rationale: The levels of structural organization proceed from the chemical level, to cells, to tissues, to organs, to organ
systems, and finally to the entire organism.
4. Homeostasis is best defined as:
A. A relatively stable state of internal balance maintained by the body despite external changes
B. A state of complete physiological equilibrium with no ongoing regulation
C. A process that occurs only during illness
D. A term referring exclusively to body temperature regulation
Correct Answer: A. A relatively stable state of internal balance maintained by the body despite external changes
Rationale: Homeostasis refers to the relatively stable internal environment the body maintains despite ongoing changes
in the external environment, achieved through continuous regulatory processes.
5. A negative feedback loop in the body functions to:
A. Reverse a change and return a variable toward its normal set point
B. Amplify a change and push a variable further from its set point
C. Have no effect on the variable being regulated
D. Function only during pathological states, not normal physiology
Correct Answer: A. Reverse a change and return a variable toward its normal set point
Rationale: Negative feedback loops are the most common homeostatic mechanism, working to reverse a detected change
and return a physiological variable back toward its normal set point.
6. Which anatomical position description assumes the body is standing erect, facing forward, with arms at the sides and
palms facing forward?
A. Anatomical position
B. Prone position
C. Supine position
D. Fowler's position
3
, NR565 Test Bank — Style Review (16th Ed., Patton & Thibodeau) Practice
Correct Answer: A. Anatomical position
Rationale: Anatomical position is the standard reference position used in anatomy: standing erect, facing forward, arms
at the sides, and palms facing forward, providing a consistent frame of reference for directional terminology.
7. Which directional term means "toward the head" or "above"?
A. Superior
B. Inferior
C. Medial
D. Lateral
Correct Answer: A. Superior
Rationale: Superior refers to a position toward the head or upper part of a structure, the opposite of inferior.
8. Which directional term means "toward the midline of the body"?
A. Medial
B. Lateral
C. Proximal
D. Distal
Correct Answer: A. Medial
Rationale: Medial refers to a position toward the midline of the body, the opposite of lateral, which refers to a position
away from the midline.
9. The two major body cavities are the dorsal cavity and the:
A. Ventral cavity
B. Cranial cavity exclusively
C. Thoracic cavity exclusively
D. Pelvic cavity exclusively
Correct Answer: A. Ventral cavity
Rationale: The body is divided into two main cavities: the dorsal cavity (containing the cranial and spinal cavities) and
the ventral cavity (containing the thoracic and abdominopelvic cavities).
10. The diaphragm is the muscular structure that separates which two cavities?
A. The thoracic cavity and the abdominal cavity
B. The cranial cavity and the spinal cavity
C. The abdominal cavity and the pelvic cavity
D. The dorsal cavity and the ventral cavity
Correct Answer: A. The thoracic cavity and the abdominal cavity
Rationale: The diaphragm is the dome-shaped muscle that separates the thoracic cavity (containing the heart and lungs)
from the abdominal cavity below it.
4
