TEST BANK | ANATOMY & PHYSIOLOGY
(McGRAW HILL) EXAM 1 2025/2026 | VERIFIED
QUESTIONS, CORRECT ANSWERS & DETAILED
RATIONALES | LATEST VERSION
TEST BANK | ANATOMY & PHYSIOLOGY (McGRAW HILL) EXAM 1 —
VERIFIED QUESTIONS, CORRECT ANSWERS & DETAILED RATIONALES |
LATEST VERSION Total Questions: 400
Question 1: What is the study of the functions of the body's structures called?
A. Anatomy B. Cytology C. Physiology D. Histology E. Pathology
CORRECT ANSWER: C. Physiology RATIONALE: Physiology is the scientific
study of how the body and its parts function. Anatomy focuses on structure, not function.
Question 2: Which level of structural organization is the simplest?
A. Tissue level B. Organ level C. Cellular level D. Chemical level E. Organism level
CORRECT ANSWER: D. Chemical level RATIONALE: The chemical level is the
most basic, consisting of atoms and molecules that form the building blocks of all living
structures.
Question 3: Which of the following correctly describes the anatomical position?
A. Body lying face down, arms at sides B. Body lying face up, palms facing downward
C. Body erect, facing forward, palms facing anteriorly D. Body erect, facing backward,
palms facing posteriorly E. Body seated, arms crossed over chest
CORRECT ANSWER: C. Body erect, facing forward, palms facing anteriorly
RATIONALE: The standard anatomical position requires the body to be standing
upright, facing forward, with palms facing anteriorly (forward). This is the reference
position for all anatomical descriptions.
Question 4: The term "superior" in human anatomy means:
,A. Toward the front of the body B. Toward the back of the body C. Toward the head or
upper part of the body D. Toward the lower part of the body E. Toward the midline of the
body
CORRECT ANSWER: C. Toward the head or upper part of the body
RATIONALE: Superior (cephalic) refers to a structure being closer to the head or higher
than another structure in the body.
Question 5: Which plane divides the body into left and right portions?
A. Transverse plane B. Frontal plane C. Oblique plane D. Sagittal plane E. Coronal
plane
CORRECT ANSWER: D. Sagittal plane RATIONALE: The sagittal plane (also
called the median plane when it passes through the midline) divides the body into left
and right portions.
Question 6: The dorsal body cavity contains which of the following?
A. Heart and lungs B. Stomach and intestines C. Brain and spinal cord D. Liver and
kidneys E. Bladder and reproductive organs
CORRECT ANSWER: C. Brain and spinal cord RATIONALE: The dorsal body
cavity is subdivided into the cranial cavity (containing the brain) and the vertebral/spinal
canal (containing the spinal cord).
Question 7: Homeostasis refers to:
A. The process of cellular division B. The maintenance of a relatively stable internal
environment C. The elimination of waste products from the body D. The growth and
repair of body tissues E. The conversion of food into energy
CORRECT ANSWER: B. The maintenance of a relatively stable internal
environment RATIONALE: Homeostasis is the body's ability to maintain a stable
internal environment despite changes in external conditions. It is fundamental to
survival.
Question 8: A negative feedback mechanism:
,A. Amplifies the original stimulus B. Has no effect on the stimulus C. Reverses the
direction of the stimulus to restore homeostasis D. Always results in disease E. Only
operates in the nervous system
CORRECT ANSWER: C. Reverses the direction of the stimulus to restore
homeostasis RATIONALE: Negative feedback loops counteract the original stimulus to
return the body to its set point, such as thermoregulation or blood glucose regulation.
Question 9: Which of the following is an example of a positive feedback mechanism?
A. Blood glucose regulation B. Body temperature regulation C. Blood pressure
maintenance D. Uterine contractions during childbirth E. Calcium regulation in the blood
CORRECT ANSWER: D. Uterine contractions during childbirth RATIONALE:
Positive feedback amplifies the original stimulus. During childbirth, uterine contractions
stimulate more oxytocin release, which causes stronger contractions until the baby is
delivered.
Question 10: The term "medial" means:
A. Farther from the midline B. Closer to the midline of the body C. Toward the head D.
Toward the feet E. Toward the surface of the body
CORRECT ANSWER: B. Closer to the midline of the body RATIONALE:
Medial describes a position closer to the midline (imaginary vertical line dividing the
body into left and right), while lateral refers to a position farther from the midline.
Question 11: Which of the following is NOT a function of the human body's organ
systems?
A. Movement B. Reproduction C. Photosynthesis D. Digestion E. Regulation of body
temperature
CORRECT ANSWER: C. Photosynthesis RATIONALE: Photosynthesis is a
plant process that converts sunlight to glucose. Human bodies cannot perform
photosynthesis; they obtain energy through digestion and cellular respiration.
Question 12: The pericardial cavity contains the:
, A. Lungs B. Liver C. Kidneys D. Heart E. Stomach
CORRECT ANSWER: D. Heart RATIONALE: The pericardial cavity is a
subdivision of the mediastinum within the thoracic cavity and contains the heart
surrounded by pericardial fluid.
Question 13: Which of the following best describes an organ?
A. A group of similar cells performing a common function B. Two or more tissue types
working together for a specific function C. A single cell specialized for a unique task D. A
group of organs working together E. The smallest living unit of the body
CORRECT ANSWER: B. Two or more tissue types working together for a
specific function RATIONALE: An organ is a structure composed of two or more
tissue types that work together to perform specific functions, such as the stomach or
heart.
Question 14: The term "prone" refers to the body:
A. Standing upright facing forward B. Lying face upward C. Lying face downward D.
Bent forward at the waist E. Tilted to one side
CORRECT ANSWER: C. Lying face downward RATIONALE: Prone position
means lying face down, while supine means lying face up. These are important clinical
terms used in patient positioning.
Question 15: The umbilical region of the abdomen is located:
A. Upper right area of the abdomen B. Lower left area of the abdomen C. Central area
of the abdomen D. Upper left area of the abdomen E. Lower right area of the abdomen
CORRECT ANSWER: C. Central area of the abdomen RATIONALE: The
umbilical region is the central abdominal region surrounding the navel (umbilicus). It is
one of the nine abdominal regions used in anatomical mapping.
Question 16: Atoms are composed of all of the following EXCEPT:
A. Protons B. Neutrons C. Electrons D. Molecules E. Nucleus
(McGRAW HILL) EXAM 1 2025/2026 | VERIFIED
QUESTIONS, CORRECT ANSWERS & DETAILED
RATIONALES | LATEST VERSION
TEST BANK | ANATOMY & PHYSIOLOGY (McGRAW HILL) EXAM 1 —
VERIFIED QUESTIONS, CORRECT ANSWERS & DETAILED RATIONALES |
LATEST VERSION Total Questions: 400
Question 1: What is the study of the functions of the body's structures called?
A. Anatomy B. Cytology C. Physiology D. Histology E. Pathology
CORRECT ANSWER: C. Physiology RATIONALE: Physiology is the scientific
study of how the body and its parts function. Anatomy focuses on structure, not function.
Question 2: Which level of structural organization is the simplest?
A. Tissue level B. Organ level C. Cellular level D. Chemical level E. Organism level
CORRECT ANSWER: D. Chemical level RATIONALE: The chemical level is the
most basic, consisting of atoms and molecules that form the building blocks of all living
structures.
Question 3: Which of the following correctly describes the anatomical position?
A. Body lying face down, arms at sides B. Body lying face up, palms facing downward
C. Body erect, facing forward, palms facing anteriorly D. Body erect, facing backward,
palms facing posteriorly E. Body seated, arms crossed over chest
CORRECT ANSWER: C. Body erect, facing forward, palms facing anteriorly
RATIONALE: The standard anatomical position requires the body to be standing
upright, facing forward, with palms facing anteriorly (forward). This is the reference
position for all anatomical descriptions.
Question 4: The term "superior" in human anatomy means:
,A. Toward the front of the body B. Toward the back of the body C. Toward the head or
upper part of the body D. Toward the lower part of the body E. Toward the midline of the
body
CORRECT ANSWER: C. Toward the head or upper part of the body
RATIONALE: Superior (cephalic) refers to a structure being closer to the head or higher
than another structure in the body.
Question 5: Which plane divides the body into left and right portions?
A. Transverse plane B. Frontal plane C. Oblique plane D. Sagittal plane E. Coronal
plane
CORRECT ANSWER: D. Sagittal plane RATIONALE: The sagittal plane (also
called the median plane when it passes through the midline) divides the body into left
and right portions.
Question 6: The dorsal body cavity contains which of the following?
A. Heart and lungs B. Stomach and intestines C. Brain and spinal cord D. Liver and
kidneys E. Bladder and reproductive organs
CORRECT ANSWER: C. Brain and spinal cord RATIONALE: The dorsal body
cavity is subdivided into the cranial cavity (containing the brain) and the vertebral/spinal
canal (containing the spinal cord).
Question 7: Homeostasis refers to:
A. The process of cellular division B. The maintenance of a relatively stable internal
environment C. The elimination of waste products from the body D. The growth and
repair of body tissues E. The conversion of food into energy
CORRECT ANSWER: B. The maintenance of a relatively stable internal
environment RATIONALE: Homeostasis is the body's ability to maintain a stable
internal environment despite changes in external conditions. It is fundamental to
survival.
Question 8: A negative feedback mechanism:
,A. Amplifies the original stimulus B. Has no effect on the stimulus C. Reverses the
direction of the stimulus to restore homeostasis D. Always results in disease E. Only
operates in the nervous system
CORRECT ANSWER: C. Reverses the direction of the stimulus to restore
homeostasis RATIONALE: Negative feedback loops counteract the original stimulus to
return the body to its set point, such as thermoregulation or blood glucose regulation.
Question 9: Which of the following is an example of a positive feedback mechanism?
A. Blood glucose regulation B. Body temperature regulation C. Blood pressure
maintenance D. Uterine contractions during childbirth E. Calcium regulation in the blood
CORRECT ANSWER: D. Uterine contractions during childbirth RATIONALE:
Positive feedback amplifies the original stimulus. During childbirth, uterine contractions
stimulate more oxytocin release, which causes stronger contractions until the baby is
delivered.
Question 10: The term "medial" means:
A. Farther from the midline B. Closer to the midline of the body C. Toward the head D.
Toward the feet E. Toward the surface of the body
CORRECT ANSWER: B. Closer to the midline of the body RATIONALE:
Medial describes a position closer to the midline (imaginary vertical line dividing the
body into left and right), while lateral refers to a position farther from the midline.
Question 11: Which of the following is NOT a function of the human body's organ
systems?
A. Movement B. Reproduction C. Photosynthesis D. Digestion E. Regulation of body
temperature
CORRECT ANSWER: C. Photosynthesis RATIONALE: Photosynthesis is a
plant process that converts sunlight to glucose. Human bodies cannot perform
photosynthesis; they obtain energy through digestion and cellular respiration.
Question 12: The pericardial cavity contains the:
, A. Lungs B. Liver C. Kidneys D. Heart E. Stomach
CORRECT ANSWER: D. Heart RATIONALE: The pericardial cavity is a
subdivision of the mediastinum within the thoracic cavity and contains the heart
surrounded by pericardial fluid.
Question 13: Which of the following best describes an organ?
A. A group of similar cells performing a common function B. Two or more tissue types
working together for a specific function C. A single cell specialized for a unique task D. A
group of organs working together E. The smallest living unit of the body
CORRECT ANSWER: B. Two or more tissue types working together for a
specific function RATIONALE: An organ is a structure composed of two or more
tissue types that work together to perform specific functions, such as the stomach or
heart.
Question 14: The term "prone" refers to the body:
A. Standing upright facing forward B. Lying face upward C. Lying face downward D.
Bent forward at the waist E. Tilted to one side
CORRECT ANSWER: C. Lying face downward RATIONALE: Prone position
means lying face down, while supine means lying face up. These are important clinical
terms used in patient positioning.
Question 15: The umbilical region of the abdomen is located:
A. Upper right area of the abdomen B. Lower left area of the abdomen C. Central area
of the abdomen D. Upper left area of the abdomen E. Lower right area of the abdomen
CORRECT ANSWER: C. Central area of the abdomen RATIONALE: The
umbilical region is the central abdominal region surrounding the navel (umbilicus). It is
one of the nine abdominal regions used in anatomical mapping.
Question 16: Atoms are composed of all of the following EXCEPT:
A. Protons B. Neutrons C. Electrons D. Molecules E. Nucleus
