Test Bank for Human Anatomy & Physiology, 12th Edition by Elaine
N. Marieb & Katja Hoehn Most Tested Questions Collection &
Verified Detailed Answers With Rationales| Tutor Verified Success
Exam) Graded A+
1. Which level of organization is the smallest level considered
living?
A. Chemical
B. Cellular
,C. Tissue
D. Organ
Answer: B. Cellular
The cell is the smallest structural and functional unit capable of
carrying out life processes.
2. Which anatomical position places the palms facing anteriorly?
A. Supine
B. Prone
C. Anatomical position
D. Fowler's position
Answer: C. Anatomical position
In standard anatomical position, the body is erect, feet are together
or slightly apart, arms are at the sides, and palms face forward.
3. Which plane divides the body into equal right and left halves?
A. Frontal
B. Transverse
C. Midsagittal
D. Oblique
Answer: C. Midsagittal
The midsagittal plane passes exactly through the body's midline and
creates equal right and left portions.
4. The term "proximal" means:
A. Farther from the point of attachment
B. Closer to the point of attachment
C. Toward the body's surface
D. Toward the midline
,Answer: B. Closer to the point of attachment
Proximal describes a structure closer to the origin or point of
attachment of a limb.
5. Which cavity contains the lungs?
A. Abdominal cavity
B. Pelvic cavity
C. Thoracic cavity
D. Cranial cavity
Answer: C. Thoracic cavity
The lungs are located in the thoracic cavity within the right and left
pleural cavities.
6. Which organ system is primarily responsible for rapid
communication using electrical signals?
A. Endocrine
B. Nervous
C. Lymphatic
D. Digestive
Answer: B. Nervous
The nervous system provides rapid communication through electrical
impulses and neurotransmitters.
7. Which system provides the body's external protective covering?
A. Skeletal
B. Muscular
C. Integumentary
D. Lymphatic
, Answer: C. Integumentary
The integumentary system includes the skin, hair, nails, and
cutaneous glands and provides protection and other functions.
8. Homeostasis refers to:
A. Complete absence of change
B. Maintenance of relatively stable internal conditions
C. Production of hormones
D. Breakdown of nutrients
Answer: B. Maintenance of relatively stable internal conditions
Homeostasis maintains internal conditions within relatively narrow
limits despite external or internal changes.
9. Which component of a homeostatic control system detects a
change?
A. Effector
B. Control center
C. Receptor
D. Hormone
Answer: C. Receptor
Receptors monitor changes in internal or external conditions and
send information to a control center.
10. Which mechanism generally amplifies the initial stimulus?
A. Negative feedback
B. Positive feedback
C. Homeostatic feedback
D. Neutral feedback
N. Marieb & Katja Hoehn Most Tested Questions Collection &
Verified Detailed Answers With Rationales| Tutor Verified Success
Exam) Graded A+
1. Which level of organization is the smallest level considered
living?
A. Chemical
B. Cellular
,C. Tissue
D. Organ
Answer: B. Cellular
The cell is the smallest structural and functional unit capable of
carrying out life processes.
2. Which anatomical position places the palms facing anteriorly?
A. Supine
B. Prone
C. Anatomical position
D. Fowler's position
Answer: C. Anatomical position
In standard anatomical position, the body is erect, feet are together
or slightly apart, arms are at the sides, and palms face forward.
3. Which plane divides the body into equal right and left halves?
A. Frontal
B. Transverse
C. Midsagittal
D. Oblique
Answer: C. Midsagittal
The midsagittal plane passes exactly through the body's midline and
creates equal right and left portions.
4. The term "proximal" means:
A. Farther from the point of attachment
B. Closer to the point of attachment
C. Toward the body's surface
D. Toward the midline
,Answer: B. Closer to the point of attachment
Proximal describes a structure closer to the origin or point of
attachment of a limb.
5. Which cavity contains the lungs?
A. Abdominal cavity
B. Pelvic cavity
C. Thoracic cavity
D. Cranial cavity
Answer: C. Thoracic cavity
The lungs are located in the thoracic cavity within the right and left
pleural cavities.
6. Which organ system is primarily responsible for rapid
communication using electrical signals?
A. Endocrine
B. Nervous
C. Lymphatic
D. Digestive
Answer: B. Nervous
The nervous system provides rapid communication through electrical
impulses and neurotransmitters.
7. Which system provides the body's external protective covering?
A. Skeletal
B. Muscular
C. Integumentary
D. Lymphatic
, Answer: C. Integumentary
The integumentary system includes the skin, hair, nails, and
cutaneous glands and provides protection and other functions.
8. Homeostasis refers to:
A. Complete absence of change
B. Maintenance of relatively stable internal conditions
C. Production of hormones
D. Breakdown of nutrients
Answer: B. Maintenance of relatively stable internal conditions
Homeostasis maintains internal conditions within relatively narrow
limits despite external or internal changes.
9. Which component of a homeostatic control system detects a
change?
A. Effector
B. Control center
C. Receptor
D. Hormone
Answer: C. Receptor
Receptors monitor changes in internal or external conditions and
send information to a control center.
10. Which mechanism generally amplifies the initial stimulus?
A. Negative feedback
B. Positive feedback
C. Homeostatic feedback
D. Neutral feedback
