Test Bank for Human Anatomy, 9th Edition by
Marieb, Brady & Mallatt | All Chapters 1-25 |
Complete Exam Prep with Correct Answers &
Rationales | Latest 2026/2027
,Chapter 1: The Human Body: An Orientation
1. The study of body structure is called
A) physiology
B) anatomy
C) cytology
D) histology
Answer: B) anatomy
Anatomy is the study of structure; physiology is the study of function.
2. The smallest living unit of the body is the
A) tissue
B) organ
C) cell
D) organ system
Answer: C) cell
The cell is the smallest unit that can carry out life processes.
3. Which level consists of related organs working together?
A) cellular
B) tissue
C) organ
D) organ system
Answer: D) organ system
Organ systems are groups of organs that cooperate for a common function.
,4. Maintenance of a stable internal environment is called
A) homeostasis
B) metabolism
C) responsiveness
D) differentiation
Answer: A) homeostasis
Homeostasis is the body’s ability to maintain stable internal conditions.
5. Most homeostatic control mechanisms are
A) positive feedback
B) negative feedback
C) feedforward
D) irreversible
Answer: B) negative feedback
Negative feedback reverses the original stimulus to restore balance.
6. Labor contractions are an example of
A) negative feedback
B) positive feedback
C) homeostasis
D) feedback inhibition
Answer: B) positive feedback
Positive feedback amplifies the stimulus until a specific end point is reached.
7. In anatomical position, the palms face
A) posteriorly
B) anteriorly
C) medially
D) laterally
Answer: B) anteriorly
In anatomical position, the palms face forward/anteriorly.
, 8. The term superior means
A) toward the head
B) toward the feet
C) toward the midline
D) away from the midline
Answer: A) toward the head
Superior means closer to the head or above.
9. The term distal means
A) closer to the trunk
B) farther from the trunk
C) toward the midline
D) toward the back
Answer: B) farther from the trunk
Distal describes a position farther from the point of attachment.
10. A plane that divides the body into left and right parts is
A) frontal
B) transverse
C) sagittal
D) oblique
Answer: C) sagittal
A sagittal plane divides the body into left and right portions.
11. A plane that divides the body into superior and inferior parts is
A) sagittal
B) frontal
C) transverse
D) midsagittal
Answer: C) transverse
A transverse plane is horizontal and divides superior from inferior.
Marieb, Brady & Mallatt | All Chapters 1-25 |
Complete Exam Prep with Correct Answers &
Rationales | Latest 2026/2027
,Chapter 1: The Human Body: An Orientation
1. The study of body structure is called
A) physiology
B) anatomy
C) cytology
D) histology
Answer: B) anatomy
Anatomy is the study of structure; physiology is the study of function.
2. The smallest living unit of the body is the
A) tissue
B) organ
C) cell
D) organ system
Answer: C) cell
The cell is the smallest unit that can carry out life processes.
3. Which level consists of related organs working together?
A) cellular
B) tissue
C) organ
D) organ system
Answer: D) organ system
Organ systems are groups of organs that cooperate for a common function.
,4. Maintenance of a stable internal environment is called
A) homeostasis
B) metabolism
C) responsiveness
D) differentiation
Answer: A) homeostasis
Homeostasis is the body’s ability to maintain stable internal conditions.
5. Most homeostatic control mechanisms are
A) positive feedback
B) negative feedback
C) feedforward
D) irreversible
Answer: B) negative feedback
Negative feedback reverses the original stimulus to restore balance.
6. Labor contractions are an example of
A) negative feedback
B) positive feedback
C) homeostasis
D) feedback inhibition
Answer: B) positive feedback
Positive feedback amplifies the stimulus until a specific end point is reached.
7. In anatomical position, the palms face
A) posteriorly
B) anteriorly
C) medially
D) laterally
Answer: B) anteriorly
In anatomical position, the palms face forward/anteriorly.
, 8. The term superior means
A) toward the head
B) toward the feet
C) toward the midline
D) away from the midline
Answer: A) toward the head
Superior means closer to the head or above.
9. The term distal means
A) closer to the trunk
B) farther from the trunk
C) toward the midline
D) toward the back
Answer: B) farther from the trunk
Distal describes a position farther from the point of attachment.
10. A plane that divides the body into left and right parts is
A) frontal
B) transverse
C) sagittal
D) oblique
Answer: C) sagittal
A sagittal plane divides the body into left and right portions.
11. A plane that divides the body into superior and inferior parts is
A) sagittal
B) frontal
C) transverse
D) midsagittal
Answer: C) transverse
A transverse plane is horizontal and divides superior from inferior.
