PHYSIOLOGY
12TH EDITION
AUTHOR(S)KATJA HOEHN;
LAWRENCE W. HAYNES;
MATTHEW A. ABBOTT
TEST BANK
1. Reference: Chapter 1 — Form (Anatomy) Determines
Function (Physiology)
Stem: A student wonders why the small intestine has many
folds and fingerlike projections. Their instructor explains that
this structure is not accidental but helps the organ perform its
,job efficiently. Which statement best reflects the relationship
between structure and function?
Options:
A. A larger surface area improves nutrient absorption.
B. A thicker wall always improves diffusion.
C. A round shape reduces the need for transport proteins.
D. A folded surface mainly decreases chemical reactions.
Correct Answer: A
Rationale:
• Correct Answer: The folded and highly projected surface
increases available area for absorption, which improves
the movement of nutrients across the lining. This is a
classic example of anatomy determining physiology.
• B: Thicker walls usually make diffusion less efficient, not
more efficient.
• C: Shape alone does not remove the need for transport
proteins; absorption still depends on membrane transport.
• D: A folded surface does not mainly decrease chemical
reactions; it enhances exchange.
Teaching Point: Structure is built to maximize function.
,Citation: Hoehn, K., Haynes, L. W., & Abbott, M. A. (n.d.).
Marieb Human Anatomy & Physiology (12th ed.). Chapter 1,
Section 1.1.
2. Reference: Chapter 1 — Form (Anatomy) Determines
Function (Physiology)
Stem: A patient has damaged cilia lining part of the respiratory
tract. After the injury, mucus and trapped particles are cleared
more slowly. Which explanation best connects anatomy to
physiology?
Options:
A. The cilia normally move material along the surface for
protection.
B. The cilia are mainly responsible for blood cell production.
C. The cilia only detect pain, not movement.
D. The cilia increase hormone secretion from the lungs.
Correct Answer: A
Rationale:
• Correct Answer: Cilia are structural specializations that
help move mucus and debris, supporting airway protection
and clearance.
• B: Blood cell production occurs in bone marrow, not cilia.
, • C: Cilia are not primarily pain receptors.
• D: Cilia do not increase hormone secretion.
Teaching Point: Specialized cell structures support specific
physiological tasks.
Citation: Hoehn, K., Haynes, L. W., & Abbott, M. A. (n.d.).
Marieb Human Anatomy & Physiology (12th ed.). Chapter 1,
Section 1.1.
3. Reference: Chapter 1 — The Body’s Organization Ranges
from Atoms to the Entire Organism
Stem: A chemistry instructor asks students to trace the
organization of the body from simplest to most complex. Which
sequence is correct for a group of similar cells working
together?
Options:
A. Atom → molecule → organelle → tissue
B. Cell → tissue → organ → organ system
C. Tissue → cell → organ → organism
D. Organ system → organ → tissue → cell
Correct Answer: B
Rationale: