Skeletal System Quiz
Questions: 16 · 10 minutes
1. A person strikes the front of the lower leg against a step. Which bone forms the shin and bears most of the lower leg's weight?
Fibula
Tibia
Patella
Femur
2. A vertebra has openings called transverse foramina. From which region of the vertebral column did it most likely come?
Thoracic region
Cervical region
Lumbar region
Sacral region
3. What is the shaft of a typical long bone called?
Epiphysis
Diaphysis
Metaphysis
Periosteum
4. Which structure is an immovable fibrous joint connecting bones of the adult skull?
Coronal suture
Intervertebral disc
Shoulder joint
Pubic symphysis
5. During adaptation to repeated mechanical loading, which cells build new bone by secreting bone matrix?
Osteoblasts
Osteocytes
Osteoclasts
Chondrocytes
6. Which tissue is principally responsible for producing blood cells within the skeletal system?
Yellow bone marrow
Red bone marrow
Dense regular connective tissue
Articular cartilage
7. The elbow mainly permits flexion and extension in one plane. Which type of synovial joint best describes it?
Saddle joint
Pivot joint
Hinge joint
Ball-and-socket joint
8. A fracture occurs along the prominent cheek and lateral rim of the eye socket. Which bone is most directly involved?
Nasal bone
Lacrimal bone
Zygomatic bone
Vomer
9. Which bone cell breaks down bone matrix during normal remodeling?
Osteoclast
Chondrocyte
Osteocyte
Osteoblast
10. Which structure belongs to the axial skeleton?
Pectoral girdle
Pelvic girdle
Upper limbs
Vertebral column
11. Which two bones form the pectoral, or shoulder, girdle?
Clavicle and scapula
Humerus and radius
Sternum and humerus
Scapula and ulna
12. In a growing child, which structure allows a long bone to increase in length?
Medullary cavity
Articular cartilage
Endosteum
Epiphyseal plate
13. With the body in anatomical position and the palms facing forward, which forearm bone lies on the thumb side?
Ulna
Humerus
Radius
Scaphoid
14. At the end of a healthy long bone, which tissue provides a smooth, low-friction surface where the bone meets another bone?
Periosteum
Compact bone
Articular cartilage
Yellow marrow
15. A clinician refers to a group of short bones in the ankle. What are these bones called?
Carpals
Metatarsals
Metacarpals
Tarsals
16. The patella develops within a tendon and changes the leverage of the knee's extensor muscles. How is it classified by shape?
Short bone
Flat bone
Irregular bone
Sesamoid bone