BIO 235 Final Exam Bank | Actual Questions
and Answers
Latest 2026/2027 Update | 100% Correct -
Athabasca University
Human Anatomy and Physiology | Key Domains: Cell Biology & Tissues, Integumentary,
Skeletal, Muscular, Nervous, Endocrine, Cardiovascular, Lymphatic & Immune, Respiratory,
Digestive, Urinary, Reproductive Systems
Introduction: This structured BIO 235 Final Exam Bank for Athabasca University provides 200
high-quality, exam-style questions with verified correct answers and detailed rationales for the
2026/2027 academic year. Content aligns with standard human A&P curricula, emphasizing
integrated body system function, homeostasis, anatomical identification, and physiological
mechanisms.
Exam Structure: Comprehensive Exam Bank (200 QUESTIONS)
Answer Format: Correct answers appear in bold cyan blue with rationales explaining anatomical,
physiological, or homeostatic principles.
BIO 235 Final Exam Bank – 200 Verified Questions
1. The basic structural and functional unit of life is the:
A. Atom
,B. Molecule
C. Cell
D. Tissue
C. Cell
The cell is the smallest unit that can carry out all life processes, as stated in the cell theory. Atoms
and molecules are chemical building blocks; tissues are groups of similar cells.
2. Which organelle is responsible for ATP production?
A. Nucleus
B. Ribosome
C. Mitochondrion
D. Lysosome
,C. Mitochondrion
Mitochondria are the "powerhouses" of the cell, producing ATP through aerobic cellular respiration
(Krebs cycle and oxidative phosphorylation).
3. The four primary tissue types are:
A. Epithelial, connective, muscle, nervous
B. Epithelial, cartilage, bone, blood
C. Smooth, skeletal, cardiac, nervous
D. Simple, stratified, squamous, cuboidal
A. Epithelial, connective, muscle, nervous
All human tissues are classified into these four types. Connective tissue includes bone, cartilage,
blood, and adipose; muscle includes smooth, skeletal, and cardiac.
4. Which layer of the epidermis is only present in thick skin?
, A. Stratum basale
B. Stratum spinosum
C. Stratum granulosum
D. Stratum lucidum
D. Stratum lucidum
The stratum lucidum is a thin, clear layer of dead keratinocytes found only in thick skin (palms and
soles). It is absent in thin skin.
5. The shaft of a long bone is called the:
A. Epiphysis
B. Diaphysis
C. Metaphysis
and Answers
Latest 2026/2027 Update | 100% Correct -
Athabasca University
Human Anatomy and Physiology | Key Domains: Cell Biology & Tissues, Integumentary,
Skeletal, Muscular, Nervous, Endocrine, Cardiovascular, Lymphatic & Immune, Respiratory,
Digestive, Urinary, Reproductive Systems
Introduction: This structured BIO 235 Final Exam Bank for Athabasca University provides 200
high-quality, exam-style questions with verified correct answers and detailed rationales for the
2026/2027 academic year. Content aligns with standard human A&P curricula, emphasizing
integrated body system function, homeostasis, anatomical identification, and physiological
mechanisms.
Exam Structure: Comprehensive Exam Bank (200 QUESTIONS)
Answer Format: Correct answers appear in bold cyan blue with rationales explaining anatomical,
physiological, or homeostatic principles.
BIO 235 Final Exam Bank – 200 Verified Questions
1. The basic structural and functional unit of life is the:
A. Atom
,B. Molecule
C. Cell
D. Tissue
C. Cell
The cell is the smallest unit that can carry out all life processes, as stated in the cell theory. Atoms
and molecules are chemical building blocks; tissues are groups of similar cells.
2. Which organelle is responsible for ATP production?
A. Nucleus
B. Ribosome
C. Mitochondrion
D. Lysosome
,C. Mitochondrion
Mitochondria are the "powerhouses" of the cell, producing ATP through aerobic cellular respiration
(Krebs cycle and oxidative phosphorylation).
3. The four primary tissue types are:
A. Epithelial, connective, muscle, nervous
B. Epithelial, cartilage, bone, blood
C. Smooth, skeletal, cardiac, nervous
D. Simple, stratified, squamous, cuboidal
A. Epithelial, connective, muscle, nervous
All human tissues are classified into these four types. Connective tissue includes bone, cartilage,
blood, and adipose; muscle includes smooth, skeletal, and cardiac.
4. Which layer of the epidermis is only present in thick skin?
, A. Stratum basale
B. Stratum spinosum
C. Stratum granulosum
D. Stratum lucidum
D. Stratum lucidum
The stratum lucidum is a thin, clear layer of dead keratinocytes found only in thick skin (palms and
soles). It is absent in thin skin.
5. The shaft of a long bone is called the:
A. Epiphysis
B. Diaphysis
C. Metaphysis
