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Unit I: Levels of Organization
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Chapter 1: An Introduction to the Human Body
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Chapter 2: The Chemical Level of Organization
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Chapter 3: The Cellular Level of Organization
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Chapter 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 c n cn
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 c n 12: Nervous Tissue
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Chapter c n 13: The Anatomy of the Nervous System
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Chapter c n 14: The Somatic Nervous System
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Chapter c n 15: The Autonomic Nervous System
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Chapter c n 16: The Neurological Exam
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Chapter c n 17: The Endocrine System
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Unit IV: Fluids and Transport
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Chapter c n 18: The cn cn Cardiovascular System: Blood cn cn
Chapter c n 19: The cn cn Cardiovascular System: The Heart cn cn cn
Chapter c n 20: The cn cn Cardiovascular System: Blood Vessels and Circulation cn cn c n cn cn
Chapter c n 21: The cn cn Lymphatic System and Immunity c n cn cn
Unit V: Energy, Maintenance, and Environmental Exchange
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Chapter 22: The Respiratory System
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Chapter 23: The Digestive System
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Chapter 24: Nutrition and Metabolism
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Chapter 25: The Urinary System
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Chapter 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 c n 27: The Reproductive System
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Chapter c n 28: Development and Genetic Inheritance
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Chapter c n 29: Development and Inheritance
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Chapter c n 30: Pregnancy and Childbirth
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,Chapter 1: An Introduction to the Human Body
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1. The study of the structure of bodyparts 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 bodystructures; 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 bodyparts
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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 bodyparts
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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 cn cn
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 c
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ommon function?
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A. Organ level cn
B. Tissue level cn
C. Chemical level cn
D. Organ system cn
Answer: B. Tissue level
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Rationale: Tissues are composedofsimilar cells with a shared role.
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, 5. The process bywhich the bodymaintains 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 cn cn cn
B. Reverses a change toward normal conditions
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C. Causes rapid deviationscn cn
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 cn cn cn cn
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 cn cn cn
Answer: A. Standing with palms facing forward
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Rationale: Standard anatomical position ensures consistencyin 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 1: An Introduction to the Human Body
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Chapter 2: The Chemical Level of Organization
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Chapter 3: The Cellular Level of Organization
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Chapter 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 c n cn
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 c n 12: Nervous Tissue
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Chapter c n 13: The Anatomy of the Nervous System
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Chapter c n 14: The Somatic Nervous System
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Chapter c n 15: The Autonomic Nervous System
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Chapter c n 16: The Neurological Exam
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Chapter c n 17: The Endocrine System
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Unit IV: Fluids and Transport
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Chapter c n 18: The cn cn Cardiovascular System: Blood cn cn
Chapter c n 19: The cn cn Cardiovascular System: The Heart cn cn cn
Chapter c n 20: The cn cn Cardiovascular System: Blood Vessels and Circulation cn cn c n cn cn
Chapter c n 21: The cn cn Lymphatic System and Immunity c n cn cn
Unit V: Energy, Maintenance, and Environmental Exchange
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Chapter 22: The Respiratory System
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Chapter 23: The Digestive System
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Chapter 24: Nutrition and Metabolism
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Chapter 25: The Urinary System
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Chapter 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 c n 27: The Reproductive System
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Chapter c n 28: Development and Genetic Inheritance
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Chapter c n 29: Development and Inheritance
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Chapter c n 30: Pregnancy and Childbirth
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,Chapter 1: An Introduction to the Human Body
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1. The study of the structure of bodyparts 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 bodystructures; 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 bodyparts
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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 bodyparts
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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 cn cn
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 c
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ommon function?
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A. Organ level cn
B. Tissue level cn
C. Chemical level cn
D. Organ system cn
Answer: B. Tissue level
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Rationale: Tissues are composedofsimilar cells with a shared role.
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, 5. The process bywhich the bodymaintains 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 cn cn cn
B. Reverses a change toward normal conditions
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C. Causes rapid deviationscn cn
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 cn cn cn cn
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 cn cn cn
Answer: A. Standing with palms facing forward
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Rationale: Standard anatomical position ensures consistencyin 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
cn cn cn to the spine.
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A. Anterior
B. Posterior
