Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the primary function of the skeletal system?
A. Hormone production
B. Support and protection
C. Oxygen transport
D. Nutrient absorption
Correct Answer: B
Rationale:The skeletal system provides structural support and
protects internal organs.
2. Which type of bone is longer than it is wide?
A. Long bone
B. Short bone
C. Flat bone
D. Irregular bone
Correct Answer: A
Rationale:Examples include femur and humerus, designed for
leverage.
,3. Which type of bone is cube-shaped?
A. Short bone
B. Long bone
C. Flat bone
D. Irregular bone
Correct Answer: A
Rationale:Short bones provide stability and limited movement, e.g.,
carpals.
4. Which type of bone is thin and usually curved?
A. Flat bone
B. Long bone
C. Short bone
D. Irregular bone
Correct Answer: A
Rationale:Flat bones like the skull and ribs protect organs.
5. Which type of bone has complex shapes?
A. Irregular bone
B. Long bone
C. Short bone
D. Flat bone
Correct Answer: A
Rationale:Examples include vertebrae and certain facial bones.
,6. What type of bone tissue is dense and forms the outer layer?
A. Compact bone
B. Spongy bone
C. Cancellous bone
D. Cartilage
Correct Answer: A
Rationale:Provides strength and protection; dense matrix with few
spaces.
7. What type of bone tissue is porous and found inside bones?
A. Spongy bone
B. Compact bone
C. Cartilage
D. Fibrocartilage
Correct Answer: A
Rationale:Contains trabeculae and red marrow for blood cell
production.
8. Which bone marrow produces red blood cells?
A. Red marrow
B. Yellow marrow
C. White marrow
D. Grey marrow
Correct Answer: A
Rationale:Found in spongy bone and responsible for hematopoiesis.
, 9. Which bone marrow stores fat?
A. Yellow marrow
B. Red marrow
C. White marrow
D. Grey marrow
Correct Answer: A
Rationale:Found in medullary cavity of long bones.
10. Which bone cell resorbs bone?
A. Osteoclast
B. Osteoblast
C. Osteocyte
D. Chondrocyte
Correct Answer: A
Rationale:Osteoclasts break down bone tissue for remodeling.
11. Which bone cell builds new bone?
A. Osteoblast
B. Osteoclast
C. Osteocyte
D. Chondrocyte
Correct Answer: A
Rationale:Osteoblasts secrete bone matrix and initiate calcification.
12. Which bone cell maintains bone tissue?