Test Bank for Seeley's Anatomy & Physiology
Exam Questions And Correct Answers
(Verified Answers) Plus Rationales 2025/2026
Q&A
1. Which level of organization is the highest in the human body?
A. Cellular
B. Tissue
C. Organ
D. Organ system
Answer: D
Rationale: The organ system level is the highest level of organization
before the organism level.
2. Which organelle is responsible for ATP production?
A. Nucleus
B. Ribosome
C. Mitochondria
D. Golgi apparatus
Answer: C
Rationale: Mitochondria generate ATP through cellular respiration.
3. What type of tissue covers body surfaces?
A. Connective
B. Muscle
C. Nervous
D. Epithelial
Answer: D
Rationale: Epithelial tissue forms coverings and linings of the body.
,4. Which system regulates hormones?
A. Nervous
B. Endocrine
C. Digestive
D. Respiratory
Answer: B
Rationale: The endocrine system secretes hormones to regulate body
functions.
5. Homeostasis refers to:
A. Growth
B. Movement
C. Stable internal environment
D. Energy use
Answer: C
Rationale: Homeostasis maintains internal balance despite external
changes.
6. Which directional term means “toward the head”?
A. Inferior
B. Posterior
C. Superior
D. Lateral
Answer: C
Rationale: Superior indicates toward the head or upper part of the
body.
7. The smallest unit of life is the:
, A. Atom
B. Molecule
C. Cell
D. Tissue
Answer: C
Rationale: Cells are the basic structural and functional units of life.
8. Which macromolecule stores genetic information?
A. Proteins
B. Lipids
C. Carbohydrates
D. Nucleic acids
Answer: D
Rationale: DNA and RNA are nucleic acids that store genetic
information.
9. Which organ system includes the heart?
A. Respiratory
B. Digestive
C. Cardiovascular
D. Nervous
Answer: C
Rationale: The cardiovascular system includes the heart and blood
vessels.
10. The anatomical position includes:
A. Palms backward
B. Head down
C. Palms forward
Exam Questions And Correct Answers
(Verified Answers) Plus Rationales 2025/2026
Q&A
1. Which level of organization is the highest in the human body?
A. Cellular
B. Tissue
C. Organ
D. Organ system
Answer: D
Rationale: The organ system level is the highest level of organization
before the organism level.
2. Which organelle is responsible for ATP production?
A. Nucleus
B. Ribosome
C. Mitochondria
D. Golgi apparatus
Answer: C
Rationale: Mitochondria generate ATP through cellular respiration.
3. What type of tissue covers body surfaces?
A. Connective
B. Muscle
C. Nervous
D. Epithelial
Answer: D
Rationale: Epithelial tissue forms coverings and linings of the body.
,4. Which system regulates hormones?
A. Nervous
B. Endocrine
C. Digestive
D. Respiratory
Answer: B
Rationale: The endocrine system secretes hormones to regulate body
functions.
5. Homeostasis refers to:
A. Growth
B. Movement
C. Stable internal environment
D. Energy use
Answer: C
Rationale: Homeostasis maintains internal balance despite external
changes.
6. Which directional term means “toward the head”?
A. Inferior
B. Posterior
C. Superior
D. Lateral
Answer: C
Rationale: Superior indicates toward the head or upper part of the
body.
7. The smallest unit of life is the:
, A. Atom
B. Molecule
C. Cell
D. Tissue
Answer: C
Rationale: Cells are the basic structural and functional units of life.
8. Which macromolecule stores genetic information?
A. Proteins
B. Lipids
C. Carbohydrates
D. Nucleic acids
Answer: D
Rationale: DNA and RNA are nucleic acids that store genetic
information.
9. Which organ system includes the heart?
A. Respiratory
B. Digestive
C. Cardiovascular
D. Nervous
Answer: C
Rationale: The cardiovascular system includes the heart and blood
vessels.
10. The anatomical position includes:
A. Palms backward
B. Head down
C. Palms forward
