Accredited Test Bank Solution For
Human Anatomy, 9th Edition Marieb [All
Lessons Included]
Complete Chapter Solution Manual
are Included (Ch.1 to Ch.25)
Rapid Download
Quick Turnaround
Complete Chapters Provided
ANSWERSHEET 3
, Table of Contents are Given Below
Here is the list of chapters in Human Anatomy, 9th Edition, by Elaine N. Marieb, Patricia Brady Wilhelm, and Jon
B. Mallatt:
1. The Human Body: An Orientation
2. Cells: The Living Units
3. Basic Embryology
4. Tissues
5. The Integumentary System
6. Bones and Skeletal Tissues
7. Bones, Part 1: The Axial Skeleton
8. Bones, Part 2: The Appendicular Skeleton
9. Joints
10. Skeletal Muscle Tissue
11. Muscles of the Body
12. Fundamentals of the Nervous System and Nervous Tissue
13. The Central Nervous System
14. The Peripheral Nervous System
15. The Autonomic Nervous System and Visceral Sensory Neurons
16. The Special Senses
17. The Endocrine System
18. Blood
19. The Heart
20. Blood Vessels
21. The Lymphatic and Immune Systems
22. The Respiratory System
23. The Digestive System
PAGE 1
4 ANSWERSHEET
, 24. The Urinary System
25. The Reproductive System
Additionally, the book includes appendices on:
The Metric System
Answers to Check Your Understanding, Multiple Choice, and Matching Questions
This comprehensive structure provides a detailed exploration of human anatomy, covering all major systems and
their functions.
PART I: THE HUMAN BODY—AN ORIENTATION (25 MCQS)
1. Which of the following levels of structural organization is considered the highest (most complex)?
A. Cellular level
B. Tissue level
C. Organ level
D. Organismal level
Answer: D
Explanation: The organismal level is the sum total of all structural levels working together to keep the
body alive and functioning, making it the most complex.
2. Which of the following best describes the anatomical position?
A. Lying down with arms at the sides, palms facing the thighs
B. Standing erect, feet slightly apart, arms at sides, palms facing forward
C. Standing erect, feet together, arms crossed
D. Lying face down, palms facing backward
Answer: B
Explanation: The anatomical position is the standard reference posture: standing upright, feet apart,
arms at the sides, with palms facing forward.
3. Which regional term refers to the ‘arm’ area of the upper limb (the portion between the shoulder
and the elbow)?
A. Brachial
B. Antebrachial
C. Carpal
D. Axillary
Answer: A
Explanation: "Brachial" refers to the arm between shoulder and elbow; "antebrachial" refers to the
forearm.
4. The study of large body structures, visible to the naked eye, such as the heart, is known as:
A. Cytology
B. Histology
C. Gross anatomy
D. Developmental anatomy
Answer: C
Explanation: Gross anatomy (macroscopic anatomy) involves structures that can be observed without a
microscope.
PAGE 2
ANSWERSHEET 5
, 5. Which of the following terms means “away from the midline” of the body?
A. Anterior
B. Medial
C. Lateral
D. Proximal
Answer: C
Explanation: Lateral indicates a direction away from the midline; medial indicates toward the midline.
6. The axial part of the body includes which regions?
A. Limbs only
B. Head, neck, and trunk
C. Arms, legs, and trunk
D. Arms and legs
Answer: B
Explanation: The body is divided into axial (head, neck, trunk) and appendicular (limbs).
7. Which plane divides the body into left and right parts?
A. Coronal (frontal)
B. Transverse (horizontal)
C. Oblique
D. Sagittal
Answer: D
Explanation: A sagittal plane divides the body into left and right portions; midsagittal means it divides
exactly along the midline.
8. The thoracic cavity is separated from the abdominal cavity by the:
A. Liver
B. Rib cage
C. Diaphragm
D. Pelvic brim
Answer: C
Explanation: The diaphragm, a dome-shaped muscle, separates the thoracic cavity from the
abdominopelvic cavity.
9. Which of the following body cavities houses the brain?
A. Vertebral cavity
B. Ventral cavity
C. Cranial cavity
D. Thoracic cavity
Answer: C
Explanation: The cranial cavity is formed by the skull and encloses the brain.
10. Homeostasis is the condition in which the body maintains:
A. A static state with no deviations from preset points
B. A dynamic equilibrium within normal ranges
C. A low internal temperature to slow metabolism
D. Absolute constancy within the internal environment
Answer: B
Explanation: Homeostasis involves maintaining a stable internal environment with slight fluctuations
around set points.
11. Which feedback mechanism enhances the original stimulus?
A. Negative feedback
B. Positive feedback
C. Neutral feedback
D. Detrimental feedback
PAGE 3
6 ANSWERSHEET
, Answer: B
Explanation: Positive feedback loops amplify the original stimulus (e.g., blood clotting, labor
contractions).
12. Which directional term indicates “toward the head” or the upper part of a structure?
A. Inferior
B. Anterior
C. Superior
D. Posterior
Answer: C
Explanation: "Superior" or cranial means toward the head; "inferior" or caudal means toward the lower
part.
13. The term “ipsilateral” refers to:
A. The same side of the body
B. The opposite side of the body
C. A distal structure
D. A structure closer to the midline
Answer: A
Explanation: “Ipsilateral” indicates structures on the same side of the body, whereas “contralateral” is
on the opposite side.
14. Which organ would you expect to find in the right upper quadrant (RUQ)?
A. Appendix
B. Liver
C. Spleen
D. Sigmoid colon
Answer: B
Explanation: The right upper quadrant contains most of the liver, gallbladder, and parts of the
intestines.
15. Which subdivision of anatomy focuses on the structural changes that occur in the body
throughout the lifespan?
A. Regional anatomy
B. Systemic anatomy
C. Developmental anatomy
D. Surface anatomy
Answer: C
Explanation: Developmental anatomy studies changes from conception through old age (including
embryology).
16. In a negative feedback mechanism, the response of the effector:
A. Strengthens the original stimulus
B. Reverses the original stimulus
C. Has no effect on the original stimulus
D. Creates a chain reaction with no end
Answer: B
Explanation: Negative feedback counters the deviation and returns the system to its normal range, thus
reversing the initial change.
17. Which of the following is NOT an example of a negative feedback mechanism?
A. Regulation of body temperature
B. Control of blood sugar by insulin
C. Release of oxytocin during childbirth
D. Regulation of heart rate
PAGE 4
ANSWERSHEET 7
, Answer: C
Explanation: Oxytocin release during childbirth is a positive feedback mechanism, not a negative one.
18. Which term refers to the maintenance of a relatively stable internal environment despite
continuous outside changes?
A. Histology
B. Homeostasis
C. Metabolism
D. Physiology
Answer: B
Explanation: Homeostasis is the process of maintaining internal equilibrium.
19. Which body cavity contains the pericardial, pleural, and mediastinal cavities?
A. Dorsal cavity
B. Thoracic cavity
C. Cranial cavity
D. Abdominal cavity
Answer: B
Explanation: The thoracic cavity is subdivided into two pleural cavities (around each lung), the
pericardial cavity (around the heart), and the mediastinum.
20. In anatomical terms, the nose is ______ to the chin.
A. Inferior
B. Posterior
C. Superior
D. Lateral
Answer: C
Explanation: The nose is located above (superior) to the chin in anatomical position.
21. Which term describes the serous membrane layer that directly covers an organ?
A. Visceral layer
B. Parietal layer
C. Mucosal layer
D. Cutaneous layer
Answer: A
Explanation: The visceral layer is the part of the serous membrane that adheres to the organ; the
parietal layer lines the cavity.
22. The simplest level of structural organization in the human body is the:
A. Tissue level
B. Chemical level
C. Organelle level
D. Organ level
Answer: B
Explanation: The chemical level (atoms and molecules) is the most basic; cells, tissues, organs, and
systems build from there.
23. A frontal (coronal) plane separates the body into:
A. Equal halves
B. Left and right portions
C. Anterior and posterior portions
D. Superior and inferior portions
Answer: C
Explanation: A coronal (frontal) plane divides the body or organ into front (anterior) and back
(posterior) sections.
PAGE 5
8 ANSWERSHEET
, 24. Which of the following is NOT part of the ventral body cavity?
A. Pelvic cavity
B. Abdominal cavity
C. Spinal (vertebral) cavity
D. Thoracic cavity
Answer: C
Explanation: The spinal (vertebral) cavity is part of the dorsal cavity, while the thoracic, abdominal,
and pelvic cavities are ventral.
25. All of these are methods to examine gross anatomy EXCEPT:
A. Palpation
B. Auscultation
C. Electron microscopy
D. Inspection (visual examination)
Answer: C
Explanation: Electron microscopy is used to observe very small structures (cells/organelles). Gross
anatomy typically uses methods visible with the naked eye (e.g., inspection, palpation, auscultation).
PART II: CELLS—THE LIVING UNITS (25 MCQS)
1. Which organelle is responsible for ATP production in cells?
A. Ribosome
B. Mitochondrion
C. Lysosome
D. Nucleus
Answer: B
Explanation: Mitochondria are known as the cell’s “powerhouses,” generating most of the ATP via
aerobic respiration.
2. Which structure regulates the movement of substances in and out of a cell?
A. Plasma membrane
B. Golgi apparatus
C. Microtubule
D. Cytoplasm
Answer: A
Explanation: The plasma membrane, composed of a phospholipid bilayer and proteins, selectively
controls what enters or leaves the cell.
3. Which of the following components of the cytoskeleton is primarily responsible for cell shape and
anchoring of organelles?
A. Intermediate filaments
B. Microtubules
C. Microfilaments
D. Centrioles
Answer: C
Explanation: Microfilaments (actin filaments) help maintain cell shape and support. Microtubules help
with organelle movement, and intermediate filaments are crucial for tensile strength.
4. Which cellular process involves the movement of water across a selectively permeable membrane?
A. Filtration
B. Osmosis
C. Diffusion
PAGE 6
ANSWERSHEET 9
, D. Active transport
Answer: B
Explanation: Osmosis is the diffusion of water across a membrane from a region of lower solute
concentration to higher solute concentration.
5. Which type of RNA carries amino acids to the ribosome during protein synthesis?
A. mRNA (messenger RNA)
B. tRNA (transfer RNA)
C. rRNA (ribosomal RNA)
D. snRNA (small nuclear RNA)
Answer: B
Explanation: tRNA “transfers” the correct amino acid to the ribosome by matching its anticodon to the
codon on mRNA.
6. Which of the following is NOT a function of the smooth endoplasmic reticulum?
A. Lipid metabolism
B. Steroid hormone synthesis
C. Protein synthesis for export
D. Detoxification of drugs
Answer: C
Explanation: The smooth ER is involved in lipid metabolism and detoxification. Protein synthesis
primarily occurs at the rough ER (with ribosomes).
7. Which process involves a cell engulfing solid particles into vesicles?
A. Pinocytosis
B. Phagocytosis
C. Exocytosis
D. Receptor-mediated endocytosis
Answer: B
Explanation: Phagocytosis is “cell eating,” where the cell engulfs large particles. Pinocytosis is “cell
drinking” of fluids.
8. In which stage of the cell cycle does DNA replication occur?
A. G1 phase
B. S phase
C. G2 phase
D. M phase
Answer: B
Explanation: DNA is replicated during the S (synthesis) phase of interphase.
9. Lysosomes are membrane-bound organelles that contain:
A. ATP synthase
B. Oxidative enzymes
C. Digestive enzymes
D. Photosynthetic pigments
Answer: C
Explanation: Lysosomes contain hydrolytic enzymes used to break down waste materials and cellular
debris.
10. Which of the following structures is involved in protein modification, sorting, and packaging?
A. Mitochondrion
B. Ribosome
C. Golgi apparatus
D. Nucleus
Answer: C
PAGE 7
10 ANSWERSHEET
Human Anatomy, 9th Edition Marieb [All
Lessons Included]
Complete Chapter Solution Manual
are Included (Ch.1 to Ch.25)
Rapid Download
Quick Turnaround
Complete Chapters Provided
ANSWERSHEET 3
, Table of Contents are Given Below
Here is the list of chapters in Human Anatomy, 9th Edition, by Elaine N. Marieb, Patricia Brady Wilhelm, and Jon
B. Mallatt:
1. The Human Body: An Orientation
2. Cells: The Living Units
3. Basic Embryology
4. Tissues
5. The Integumentary System
6. Bones and Skeletal Tissues
7. Bones, Part 1: The Axial Skeleton
8. Bones, Part 2: The Appendicular Skeleton
9. Joints
10. Skeletal Muscle Tissue
11. Muscles of the Body
12. Fundamentals of the Nervous System and Nervous Tissue
13. The Central Nervous System
14. The Peripheral Nervous System
15. The Autonomic Nervous System and Visceral Sensory Neurons
16. The Special Senses
17. The Endocrine System
18. Blood
19. The Heart
20. Blood Vessels
21. The Lymphatic and Immune Systems
22. The Respiratory System
23. The Digestive System
PAGE 1
4 ANSWERSHEET
, 24. The Urinary System
25. The Reproductive System
Additionally, the book includes appendices on:
The Metric System
Answers to Check Your Understanding, Multiple Choice, and Matching Questions
This comprehensive structure provides a detailed exploration of human anatomy, covering all major systems and
their functions.
PART I: THE HUMAN BODY—AN ORIENTATION (25 MCQS)
1. Which of the following levels of structural organization is considered the highest (most complex)?
A. Cellular level
B. Tissue level
C. Organ level
D. Organismal level
Answer: D
Explanation: The organismal level is the sum total of all structural levels working together to keep the
body alive and functioning, making it the most complex.
2. Which of the following best describes the anatomical position?
A. Lying down with arms at the sides, palms facing the thighs
B. Standing erect, feet slightly apart, arms at sides, palms facing forward
C. Standing erect, feet together, arms crossed
D. Lying face down, palms facing backward
Answer: B
Explanation: The anatomical position is the standard reference posture: standing upright, feet apart,
arms at the sides, with palms facing forward.
3. Which regional term refers to the ‘arm’ area of the upper limb (the portion between the shoulder
and the elbow)?
A. Brachial
B. Antebrachial
C. Carpal
D. Axillary
Answer: A
Explanation: "Brachial" refers to the arm between shoulder and elbow; "antebrachial" refers to the
forearm.
4. The study of large body structures, visible to the naked eye, such as the heart, is known as:
A. Cytology
B. Histology
C. Gross anatomy
D. Developmental anatomy
Answer: C
Explanation: Gross anatomy (macroscopic anatomy) involves structures that can be observed without a
microscope.
PAGE 2
ANSWERSHEET 5
, 5. Which of the following terms means “away from the midline” of the body?
A. Anterior
B. Medial
C. Lateral
D. Proximal
Answer: C
Explanation: Lateral indicates a direction away from the midline; medial indicates toward the midline.
6. The axial part of the body includes which regions?
A. Limbs only
B. Head, neck, and trunk
C. Arms, legs, and trunk
D. Arms and legs
Answer: B
Explanation: The body is divided into axial (head, neck, trunk) and appendicular (limbs).
7. Which plane divides the body into left and right parts?
A. Coronal (frontal)
B. Transverse (horizontal)
C. Oblique
D. Sagittal
Answer: D
Explanation: A sagittal plane divides the body into left and right portions; midsagittal means it divides
exactly along the midline.
8. The thoracic cavity is separated from the abdominal cavity by the:
A. Liver
B. Rib cage
C. Diaphragm
D. Pelvic brim
Answer: C
Explanation: The diaphragm, a dome-shaped muscle, separates the thoracic cavity from the
abdominopelvic cavity.
9. Which of the following body cavities houses the brain?
A. Vertebral cavity
B. Ventral cavity
C. Cranial cavity
D. Thoracic cavity
Answer: C
Explanation: The cranial cavity is formed by the skull and encloses the brain.
10. Homeostasis is the condition in which the body maintains:
A. A static state with no deviations from preset points
B. A dynamic equilibrium within normal ranges
C. A low internal temperature to slow metabolism
D. Absolute constancy within the internal environment
Answer: B
Explanation: Homeostasis involves maintaining a stable internal environment with slight fluctuations
around set points.
11. Which feedback mechanism enhances the original stimulus?
A. Negative feedback
B. Positive feedback
C. Neutral feedback
D. Detrimental feedback
PAGE 3
6 ANSWERSHEET
, Answer: B
Explanation: Positive feedback loops amplify the original stimulus (e.g., blood clotting, labor
contractions).
12. Which directional term indicates “toward the head” or the upper part of a structure?
A. Inferior
B. Anterior
C. Superior
D. Posterior
Answer: C
Explanation: "Superior" or cranial means toward the head; "inferior" or caudal means toward the lower
part.
13. The term “ipsilateral” refers to:
A. The same side of the body
B. The opposite side of the body
C. A distal structure
D. A structure closer to the midline
Answer: A
Explanation: “Ipsilateral” indicates structures on the same side of the body, whereas “contralateral” is
on the opposite side.
14. Which organ would you expect to find in the right upper quadrant (RUQ)?
A. Appendix
B. Liver
C. Spleen
D. Sigmoid colon
Answer: B
Explanation: The right upper quadrant contains most of the liver, gallbladder, and parts of the
intestines.
15. Which subdivision of anatomy focuses on the structural changes that occur in the body
throughout the lifespan?
A. Regional anatomy
B. Systemic anatomy
C. Developmental anatomy
D. Surface anatomy
Answer: C
Explanation: Developmental anatomy studies changes from conception through old age (including
embryology).
16. In a negative feedback mechanism, the response of the effector:
A. Strengthens the original stimulus
B. Reverses the original stimulus
C. Has no effect on the original stimulus
D. Creates a chain reaction with no end
Answer: B
Explanation: Negative feedback counters the deviation and returns the system to its normal range, thus
reversing the initial change.
17. Which of the following is NOT an example of a negative feedback mechanism?
A. Regulation of body temperature
B. Control of blood sugar by insulin
C. Release of oxytocin during childbirth
D. Regulation of heart rate
PAGE 4
ANSWERSHEET 7
, Answer: C
Explanation: Oxytocin release during childbirth is a positive feedback mechanism, not a negative one.
18. Which term refers to the maintenance of a relatively stable internal environment despite
continuous outside changes?
A. Histology
B. Homeostasis
C. Metabolism
D. Physiology
Answer: B
Explanation: Homeostasis is the process of maintaining internal equilibrium.
19. Which body cavity contains the pericardial, pleural, and mediastinal cavities?
A. Dorsal cavity
B. Thoracic cavity
C. Cranial cavity
D. Abdominal cavity
Answer: B
Explanation: The thoracic cavity is subdivided into two pleural cavities (around each lung), the
pericardial cavity (around the heart), and the mediastinum.
20. In anatomical terms, the nose is ______ to the chin.
A. Inferior
B. Posterior
C. Superior
D. Lateral
Answer: C
Explanation: The nose is located above (superior) to the chin in anatomical position.
21. Which term describes the serous membrane layer that directly covers an organ?
A. Visceral layer
B. Parietal layer
C. Mucosal layer
D. Cutaneous layer
Answer: A
Explanation: The visceral layer is the part of the serous membrane that adheres to the organ; the
parietal layer lines the cavity.
22. The simplest level of structural organization in the human body is the:
A. Tissue level
B. Chemical level
C. Organelle level
D. Organ level
Answer: B
Explanation: The chemical level (atoms and molecules) is the most basic; cells, tissues, organs, and
systems build from there.
23. A frontal (coronal) plane separates the body into:
A. Equal halves
B. Left and right portions
C. Anterior and posterior portions
D. Superior and inferior portions
Answer: C
Explanation: A coronal (frontal) plane divides the body or organ into front (anterior) and back
(posterior) sections.
PAGE 5
8 ANSWERSHEET
, 24. Which of the following is NOT part of the ventral body cavity?
A. Pelvic cavity
B. Abdominal cavity
C. Spinal (vertebral) cavity
D. Thoracic cavity
Answer: C
Explanation: The spinal (vertebral) cavity is part of the dorsal cavity, while the thoracic, abdominal,
and pelvic cavities are ventral.
25. All of these are methods to examine gross anatomy EXCEPT:
A. Palpation
B. Auscultation
C. Electron microscopy
D. Inspection (visual examination)
Answer: C
Explanation: Electron microscopy is used to observe very small structures (cells/organelles). Gross
anatomy typically uses methods visible with the naked eye (e.g., inspection, palpation, auscultation).
PART II: CELLS—THE LIVING UNITS (25 MCQS)
1. Which organelle is responsible for ATP production in cells?
A. Ribosome
B. Mitochondrion
C. Lysosome
D. Nucleus
Answer: B
Explanation: Mitochondria are known as the cell’s “powerhouses,” generating most of the ATP via
aerobic respiration.
2. Which structure regulates the movement of substances in and out of a cell?
A. Plasma membrane
B. Golgi apparatus
C. Microtubule
D. Cytoplasm
Answer: A
Explanation: The plasma membrane, composed of a phospholipid bilayer and proteins, selectively
controls what enters or leaves the cell.
3. Which of the following components of the cytoskeleton is primarily responsible for cell shape and
anchoring of organelles?
A. Intermediate filaments
B. Microtubules
C. Microfilaments
D. Centrioles
Answer: C
Explanation: Microfilaments (actin filaments) help maintain cell shape and support. Microtubules help
with organelle movement, and intermediate filaments are crucial for tensile strength.
4. Which cellular process involves the movement of water across a selectively permeable membrane?
A. Filtration
B. Osmosis
C. Diffusion
PAGE 6
ANSWERSHEET 9
, D. Active transport
Answer: B
Explanation: Osmosis is the diffusion of water across a membrane from a region of lower solute
concentration to higher solute concentration.
5. Which type of RNA carries amino acids to the ribosome during protein synthesis?
A. mRNA (messenger RNA)
B. tRNA (transfer RNA)
C. rRNA (ribosomal RNA)
D. snRNA (small nuclear RNA)
Answer: B
Explanation: tRNA “transfers” the correct amino acid to the ribosome by matching its anticodon to the
codon on mRNA.
6. Which of the following is NOT a function of the smooth endoplasmic reticulum?
A. Lipid metabolism
B. Steroid hormone synthesis
C. Protein synthesis for export
D. Detoxification of drugs
Answer: C
Explanation: The smooth ER is involved in lipid metabolism and detoxification. Protein synthesis
primarily occurs at the rough ER (with ribosomes).
7. Which process involves a cell engulfing solid particles into vesicles?
A. Pinocytosis
B. Phagocytosis
C. Exocytosis
D. Receptor-mediated endocytosis
Answer: B
Explanation: Phagocytosis is “cell eating,” where the cell engulfs large particles. Pinocytosis is “cell
drinking” of fluids.
8. In which stage of the cell cycle does DNA replication occur?
A. G1 phase
B. S phase
C. G2 phase
D. M phase
Answer: B
Explanation: DNA is replicated during the S (synthesis) phase of interphase.
9. Lysosomes are membrane-bound organelles that contain:
A. ATP synthase
B. Oxidative enzymes
C. Digestive enzymes
D. Photosynthetic pigments
Answer: C
Explanation: Lysosomes contain hydrolytic enzymes used to break down waste materials and cellular
debris.
10. Which of the following structures is involved in protein modification, sorting, and packaging?
A. Mitochondrion
B. Ribosome
C. Golgi apparatus
D. Nucleus
Answer: C
PAGE 7
10 ANSWERSHEET
