BIOD 151 MODULE 3 EXAM ANSWER KEY
2025/2026 – VERIFIED PORTAGE LEARNING
QUESTIONS AND ANSWERS WITH RATIONALES ||
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BIOD 151 MODULE 3 EXAM: SKELETAL SYSTEM – 100 QUESTIONS &
ANSWERS
1. Which of the following is NOT a function of the skeletal system?
A) Support
B) Hematopoiesis
C) Mineral Storage
D) Thermoregulation
Rationale: While the skeleton stores minerals and produces blood cells
(hematopoiesis), it is not the primary organ system for regulating body
temperature; that is the function of the integumentary system and various
physiological processes.
,2. The shaft of a long bone is known as the:
A) Epiphysis
B) Diaphysis
C) Metaphysis
D) Medullary Cavity
Rationale: The diaphysis is the long, cylindrical main portion of the bone.
3. The ends of a long bone are known as the:
A) Epiphyses
B) Diaphyses
C) Metaphyses
D) Articular Cartilages
Rationale: The epiphyses are the proximal and distal ends of the bone.
4. What type of bone is the patella?
A) Long Bone
B) Short Bone
C) Flat Bone
D) Sesamoid Bone
Rationale: The patella (kneecap) is a sesamoid bone, which is a bone that forms
within a tendon.
,5. The foramen magnum is a feature of which bone?
A) Parietal Bone
B) Occipital Bone
C) Sphenoid Bone
D) Temporal Bone
Rationale: The foramen magnum is the large opening in the base of the occipital
bone through which the spinal cord connects to the brainstem.
6. Which vertebrae are characterized by the presence of transverse foramina?
A) Thoracic
B) Lumbar
C) Cervical
D) Sacral
Rationale: The transverse foramina in cervical vertebrae provide a passage for the
vertebral arteries.
7. How many cervical vertebrae are there in a typical human?
A) 5
B) 7
C) 12
, D) 31
Rationale: There are 7 cervical vertebrae, labeled C1-C7.
8. The sternum is composed of three parts. Which of the following is the
correct order from superior to inferior?
A) Body, Xiphoid Process, Manubrium
B) Manubrium, Body, Xiphoid Process
C) Xiphoid Process, Body, Manubrium
D) Body, Manubrium, Xiphoid Process
Rationale: The manubrium is the superior portion, the body is the middle and
largest part, and the xiphoid process is the small, inferior tip.
9. Which bone forms the posterior part of the hard palate?
A) Maxilla
B) Palatine Bone
C) Zygomatic Bone
D) Sphenoid Bone
Rationale: The horizontal plates of the palatine bones form the posterior one-third
of the hard palate.
10. The "shoulder blade" is anatomically known as the:
A) Clavicle
2025/2026 – VERIFIED PORTAGE LEARNING
QUESTIONS AND ANSWERS WITH RATIONALES ||
100% GUARANTEED PASS <RECENT VERSION>
BIOD 151 MODULE 3 EXAM: SKELETAL SYSTEM – 100 QUESTIONS &
ANSWERS
1. Which of the following is NOT a function of the skeletal system?
A) Support
B) Hematopoiesis
C) Mineral Storage
D) Thermoregulation
Rationale: While the skeleton stores minerals and produces blood cells
(hematopoiesis), it is not the primary organ system for regulating body
temperature; that is the function of the integumentary system and various
physiological processes.
,2. The shaft of a long bone is known as the:
A) Epiphysis
B) Diaphysis
C) Metaphysis
D) Medullary Cavity
Rationale: The diaphysis is the long, cylindrical main portion of the bone.
3. The ends of a long bone are known as the:
A) Epiphyses
B) Diaphyses
C) Metaphyses
D) Articular Cartilages
Rationale: The epiphyses are the proximal and distal ends of the bone.
4. What type of bone is the patella?
A) Long Bone
B) Short Bone
C) Flat Bone
D) Sesamoid Bone
Rationale: The patella (kneecap) is a sesamoid bone, which is a bone that forms
within a tendon.
,5. The foramen magnum is a feature of which bone?
A) Parietal Bone
B) Occipital Bone
C) Sphenoid Bone
D) Temporal Bone
Rationale: The foramen magnum is the large opening in the base of the occipital
bone through which the spinal cord connects to the brainstem.
6. Which vertebrae are characterized by the presence of transverse foramina?
A) Thoracic
B) Lumbar
C) Cervical
D) Sacral
Rationale: The transverse foramina in cervical vertebrae provide a passage for the
vertebral arteries.
7. How many cervical vertebrae are there in a typical human?
A) 5
B) 7
C) 12
, D) 31
Rationale: There are 7 cervical vertebrae, labeled C1-C7.
8. The sternum is composed of three parts. Which of the following is the
correct order from superior to inferior?
A) Body, Xiphoid Process, Manubrium
B) Manubrium, Body, Xiphoid Process
C) Xiphoid Process, Body, Manubrium
D) Body, Manubrium, Xiphoid Process
Rationale: The manubrium is the superior portion, the body is the middle and
largest part, and the xiphoid process is the small, inferior tip.
9. Which bone forms the posterior part of the hard palate?
A) Maxilla
B) Palatine Bone
C) Zygomatic Bone
D) Sphenoid Bone
Rationale: The horizontal plates of the palatine bones form the posterior one-third
of the hard palate.
10. The "shoulder blade" is anatomically known as the:
A) Clavicle
