Sample Questions and Answers
Which of the following is not a function of the skeletal system?
Support
B. Blood cell production
C. Hormone regulation
D. Protection
Answer: C. Hormone regulation
What is the primary structural component of compact bone?
Osteocytes
B. Lamellae
C. Osteons
D. Canaliculi
Answer: C. Osteons
Which type of bone cell is responsible for bone resorption?
Osteoblast
B. Osteocyte
C. Osteoclast
D. Chondrocyte
Answer: C. Osteoclast
The diaphysis of a long bone is made up of which type of bone?
Compact bone
B. Spongy bone
C. Trabecular bone
D. Articular cartilage
Answer: A. Compact bone
Where does hematopoiesis occur?
Yellow bone marrow
B. Red bone marrow
C. Periosteum
D. Endosteum
Answer: B. Red bone marrow
What type of joint is the shoulder joint?
Hinge joint
B. Ball-and-socket joint
C. Pivot joint
D. Saddle joint
Answer: B. Ball-and-socket joint
Which of the following bones is part of the axial skeleton?
Humerus
B. Femur
C. Sternum
D. Clavicle
Answer: C. Sternum
What type of cartilage is found at the ends of long bones?
Elastic cartilage
B. Fibrocartilage
C. Hyaline cartilage
D. Articular cartilage
Answer: D. Articular cartilage
The cranial suture that separates the frontal bone from the parietal bones is the:
Sagittal suture
B. Lambdoid suture
C. Coronal suture
D. Squamous suture
Answer: C. Coronal suture
What is the name of the process where bones grow in length?
Appositional growth
B. Intramembranous ossification
C. Endochondral ossification
D. Epiphyseal growth
Answer: C. Endochondral ossification
Which mineral is most important for bone strength?
Potassium
B. Sodium
C. Calcium
D. Iron
Answer: C. Calcium
The vertebrae are classified as which type of bone?
Long bones
B. Flat bones
C. Irregular bones
D. Short bones
Answer: C. Irregular bones
Which part of the long bone contains the epiphyseal plate?
Diaphysis
B. Periosteum
C. Metaphysis
D. Medullary cavity
Answer: C. Metaphysis
What is the anatomical term for the collarbone?
Scapula
B. Clavicle
C. Humerus
D. Sternum
Answer: B. Clavicle
The appendicular skeleton includes which of the following?
Skull
B. Ribs
C. Pelvic girdle
D. Vertebrae
Answer: C. Pelvic girdle
The hollow space within the diaphysis of a long bone is called the:
Central canal
B. Medullary cavity
C. Periosteum
D. Spongy cavity
Answer: B. Medullary cavity
Which of the following bones is part of the axial skeleton?
Femur
B. Radius
C. Mandible
D. Scapula
Answer: C. Mandible
Which joint allows for rotation around a single axis?
Hinge joint
B. Ball-and-socket joint
C. Pivot joint
D. Gliding joint
Answer: C. Pivot joint
Osteoporosis primarily affects which type of bone?
Compact bone
B. Spongy bone
C. Trabecular bone
D. Both compact and spongy bone
Answer: D. Both compact and spongy bone
What structure connects muscles to bones?
Ligaments
B. Tendons
C. Cartilage
D. Periosteum
Answer: B. Tendons
What type of bone forms the external layers of flat bones?
Compact bone
B. Spongy bone
C. Trabecular bone
D. Irregular bone
Answer: A. Compact bone
The zygomatic bone is also known as the:
Cheekbone
B. Jawbone
C. Nasal bone
D. Forehead
Answer: A. Cheekbone
The vertebral column has how many regions?
3
B. 4
C. 5
D. 6
Answer: C. 5
The patella is an example of which type of bone?
Long bone
B. Flat bone
C. Sesamoid bone
D. Irregular bone
Answer: C. Sesamoid bone
Which bone is located in the forearm?
Femur
B. Radius
C. Humerus
D. Tibia
Answer: B. Radius
The periosteum is the:
Inner lining of bone cavities
B. Outer fibrous covering of bones
C. Cartilage at the ends of bones
D. Space within spongy bone
Answer: B. Outer fibrous covering of bones
The foramen magnum is a feature of which bone?
Frontal bone
B. Occipital bone
C. Temporal bone
D. Parietal bone
Answer: B. Occipital bone
The primary role of the osteoblast is to:
Break down bone
B. Deposit new bone matrix
C. Maintain bone tissue
D. Resorb calcium
Answer: B. Deposit new bone matrix
Which bone is part of the pectoral girdle?
Scapula
B. Femur
C. Pelvis
D. Sternum
Answer: A. Scapula
Which type of joint is found between the bones of the skull?
Synovial joint
B. Fibrous joint
C. Cartilaginous joint
D. Ball-and-socket joint
Answer: B. Fibrous joint
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