Physiology, 12th Edition (Hoehn, Haynes, Abbott) – Verified
NCLEX/HESI-Style Questions with Rationales
Chapter 1: The Human Body: An
Orientation.
Chapter 1 — Section 1.1: Form (anatomy) determines function
Key Concept: Complementarity of structure and function
Stem: A nurse explains why alveoli are thin-walled during
patient teaching. What best explains this structure–function
relationship?
A. Thin walls increase blood pressure.
B. Thin walls minimize diffusion distance for gases.
C. Thin walls prevent collapse during inhalation.
D. Thin walls reduce surface area available for exchange.
Correct Answer: B
Rationale (correct): Thin alveolar walls reduce diffusion
distance so O₂ and CO₂ rapidly cross between air and blood,
exemplifying structure supporting function. (Marieb et al., Ch.1,
1.1 Complementarity of Structure and Function).
Incorrect:
A — Thin walls do not increase blood pressure; pulmonary
capillary pressure is regulated separately.
C — Preventing collapse is mainly the role of surfactant and
elastic fibers, not simply thinness.
D — Thin walls do not reduce surface area; alveoli maximize
,surface area for exchange.
Teaching point: Structure optimizes physiological function (e.g.,
thin alveoli for rapid gas exchange).
2)
Chapter 1 — Section 1.1: Topics of Anatomy
Key Concept: Levels and approaches in anatomy (gross,
microscopic)
Stem: Which method best identifies cell ultrastructure for
diagnosing disease?
A. Gross dissection.
B. Light microscopy.
C. Electron microscopy.
D. Palpation.
Correct Answer: C
Rationale (correct): Electron microscopy reveals organelles and
ultrastructural changes at nanometer scale, useful for
diagnosing cellular pathology. (Marieb et al., Ch.1, Topics of
Anatomy).
Incorrect:
A — Gross dissection examines large structures, not cellular
ultrastructure.
B — Light microscopy shows cells but lacks resolution for
ultrastructure.
D — Palpation is a clinical exam technique, not a microscopic
, method.
Teaching point: Choose the imaging level that matches the
structure scale of interest.
3)
Chapter 1 — Section 1.1: Studying Anatomy
Key Concept: Anatomical terminology importance for clinicians
Stem: Why must nurses use standard anatomical terms when
charting wounds?
A. To confuse non-clinicians.
B. To ensure precise, consistent communication.
C. To reduce documentation length only.
D. To avoid using body planes.
Correct Answer: B
Rationale (correct): Standard anatomical terms reduce
ambiguity and improve interprofessional communication and
patient safety. (Marieb et al., Ch.1, Studying Anatomy).
Incorrect:
A — The goal is clarity, not confusion.
C — While concise notes help, main aim is precision and
consistency.
D — Using body planes is part of terminology; avoiding them
would reduce clarity.
Teaching point: Use standard anatomical terms for precise
clinical communication.