,Tableof Contents ym ym
Unit I: Levels of Organization
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• Chapter y m 1: An Introduction to the Human Body
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• Chapter y m 2: The Chemical Level of Organization
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• Chapter y m 3: The Cellular Level of Organization
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• Chapter y m 4: The Tissue Level of Organization
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Unit II: Support and Movement
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• Chapter 5: The Integumentary System
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• Chapter 6: Bone and Skeletal Tissue
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• Chapter 7: The Axial Skeleton
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• Chapter 8: The Appendicular Skeleton
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• Chapter 9: Joints y m ym
• Chapter 10: Muscle Tissue
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• Chapter 11: The Muscular System
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Unit III: Regulation, Integration, and Control
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• Chapter y m 12: Nervous Tissue
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• Chapter y m 13: The Anatomy of the Nervous System
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• Chapter y m 14: The Somatic Nervous System
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• Chapter y m 15: The Autonomic Nervous System
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• Chapter y m 16: The Neurological Exam
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• Chapter y m 17: The Endocrine System
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Unit IV: Fluids and Transport
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• Chapter y m 18: ym The ym Cardiovascular System: ym Blood
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• Chapter y m 19: ym The ym Cardiovascular System: ym The Heart
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• Chapter y m 20: ym The ym Cardiovascular System: ym Blood Vessels and Circulation
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• Chapter y m 21: ym The ym Lymphatic System and y m ym Immunity
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Unit V: Energy, Maintenance, and Environmental Exchange
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• Chapter y m 22: The Respiratory System
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• Chapter y m 23: The Digestive System
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• Chapter y m 24: Nutrition and Metabolism
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• Chapter y m 25: The Urinary System
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• Chapter y m 26: Fluid, Electrolyte, and Acid–Base Balance
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Unit VI: Human Development and the Continuity of Life
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• Chapter y m 27: ym The Reproductive System
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• Chapter y m 28: ym Development and Genetic Inheritance y m ym ym
• Chapter y m 29: ym Development and Inheritance y m ym
• Chapter y m 30: ym Pregnancy and Childbirth ym ym
,Chapter 1: An Introduction to the Human Body
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1. The study of the structure of body parts and their relationships is called:
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A. Anatomy
B. Physiology
C. Pathology
D. Biochemistry
Answer: A. Anatomy
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Rationale: Anatomy focuses on body structures; physiology studies functions.
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2. Which of the following best describes physiology?
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A. Study of the body’s chemical composition
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B. Study of the function of body parts
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C. Study of external landmarks
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D. Study of tissues under a microscope
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Answer: B. Study of the function of body parts
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Rationale: Physiology examines how organs and systems work to sustain life.
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3. The smallest structural unit of life is the:
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A. Atom
B. Cell
C. Tissue
D. Organ
Answer: B. Cell
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Rationale: Cells are the basic unit of life; atoms form molecules, but are not alive.
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4. Which level of organization consists of groups of similar cells performing a
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common function?
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A. Organ level ym
B. Tissue level ym
C. Chemical level ym
D. Organ system ym
Answer: B. Tissue level
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Rationale: Tissues are composed of similar cells with a shared role.
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, 5. The process by which the body maintains stable internal conditions is called:
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A. Homeostasis
B. Metabolism
C. Differentiation
D. Catabolism
Answer: A. Homeostasis
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Rationale: Homeostasis keeps internal conditions stable despite external changes.
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6. A negative feedback mechanism:
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A. Enhances the original stimulus ym ym ym
B. Reverses a change toward normal conditions
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C. Causes rapid deviations
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D. Leads to homeostatic imbalance
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Answer: B. Reverses a change toward normal conditions
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Rationale: Negative feedback maintains stability by reversing deviations.
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7. The anatomical position is characterized by:
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A. Standing with palms facing forward
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B. Sitting with hands on lap
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C. Lying down with palms downward
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D. Standing with arms crossed ym ym ym
Answer: A. Standing with palms facing forward
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Rationale: Standard anatomical position ensures consistency in descriptions.
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8. Which directional term means “toward the head”?
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A. Inferior
B. Superior
C. Posterior
D. Distal
Answer: B. Superior
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Rationale: Superior means above; inferior means below.
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9. The sternum is
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A. Anterior
B. Posterior
Unit I: Levels of Organization
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• Chapter y m 1: An Introduction to the Human Body
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• Chapter y m 2: The Chemical Level of Organization
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• Chapter y m 3: The Cellular Level of Organization
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• Chapter y m 4: The Tissue Level of Organization
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Unit II: Support and Movement
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• Chapter 5: The Integumentary System
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• Chapter 6: Bone and Skeletal Tissue
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• Chapter 7: The Axial Skeleton
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• Chapter 8: The Appendicular Skeleton
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• Chapter 9: Joints y m ym
• Chapter 10: Muscle Tissue
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• Chapter 11: The Muscular System
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Unit III: Regulation, Integration, and Control
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• Chapter y m 12: Nervous Tissue
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• Chapter y m 13: The Anatomy of the Nervous System
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• Chapter y m 14: The Somatic Nervous System
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• Chapter y m 15: The Autonomic Nervous System
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• Chapter y m 16: The Neurological Exam
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• Chapter y m 17: The Endocrine System
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Unit IV: Fluids and Transport
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• Chapter y m 18: ym The ym Cardiovascular System: ym Blood
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• Chapter y m 19: ym The ym Cardiovascular System: ym The Heart
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• Chapter y m 20: ym The ym Cardiovascular System: ym Blood Vessels and Circulation
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• Chapter y m 21: ym The ym Lymphatic System and y m ym Immunity
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Unit V: Energy, Maintenance, and Environmental Exchange
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• Chapter y m 22: The Respiratory System
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• Chapter y m 23: The Digestive System
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• Chapter y m 24: Nutrition and Metabolism
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• Chapter y m 25: The Urinary System
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• Chapter y m 26: Fluid, Electrolyte, and Acid–Base Balance
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Unit VI: Human Development and the Continuity of Life
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• Chapter y m 27: ym The Reproductive System
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• Chapter y m 28: ym Development and Genetic Inheritance y m ym ym
• Chapter y m 29: ym Development and Inheritance y m ym
• Chapter y m 30: ym Pregnancy and Childbirth ym ym
,Chapter 1: An Introduction to the Human Body
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1. The study of the structure of body parts and their relationships is called:
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A. Anatomy
B. Physiology
C. Pathology
D. Biochemistry
Answer: A. Anatomy
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Rationale: Anatomy focuses on body structures; physiology studies functions.
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2. Which of the following best describes physiology?
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A. Study of the body’s chemical composition
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B. Study of the function of body parts
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C. Study of external landmarks
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D. Study of tissues under a microscope
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Answer: B. Study of the function of body parts
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Rationale: Physiology examines how organs and systems work to sustain life.
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3. The smallest structural unit of life is the:
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A. Atom
B. Cell
C. Tissue
D. Organ
Answer: B. Cell
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Rationale: Cells are the basic unit of life; atoms form molecules, but are not alive.
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4. Which level of organization consists of groups of similar cells performing a
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common function?
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A. Organ level ym
B. Tissue level ym
C. Chemical level ym
D. Organ system ym
Answer: B. Tissue level
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Rationale: Tissues are composed of similar cells with a shared role.
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, 5. The process by which the body maintains stable internal conditions is called:
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A. Homeostasis
B. Metabolism
C. Differentiation
D. Catabolism
Answer: A. Homeostasis
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Rationale: Homeostasis keeps internal conditions stable despite external changes.
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6. A negative feedback mechanism:
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A. Enhances the original stimulus ym ym ym
B. Reverses a change toward normal conditions
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C. Causes rapid deviations
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D. Leads to homeostatic imbalance
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Answer: B. Reverses a change toward normal conditions
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Rationale: Negative feedback maintains stability by reversing deviations.
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7. The anatomical position is characterized by:
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A. Standing with palms facing forward
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B. Sitting with hands on lap
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C. Lying down with palms downward
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D. Standing with arms crossed ym ym ym
Answer: A. Standing with palms facing forward
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Rationale: Standard anatomical position ensures consistency in descriptions.
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8. Which directional term means “toward the head”?
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A. Inferior
B. Superior
C. Posterior
D. Distal
Answer: B. Superior
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Rationale: Superior means above; inferior means below.
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9. The sternum is
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A. Anterior
B. Posterior