Skeletal System Exam

Which of the following is not a primary function of the skeletal system?

• Protection

• Blood cell production

• Hormone secretion

• Support

What is the functional unit of compact bone?

• Lamella

• Osteon

• Canaliculus

• Trabecula

Bones are classified by:

• Density

• Shape

• Function

• Color

Which of the following bones belongs to the axial skeleton?

• Femur

• Clavicle

• Sternum

• Humerus

The appendicular skeleton primarily aids in:

• Protection

• Movement

• Mineral storage

• Support

Osteoblasts are responsible for:

• Breaking down bone tissue

• Maintaining bone tissue

• Building new bone tissue

• Storing calcium

Which type of bone fracture results in a clean break across the bone?

• Comminuted

• Greenstick

• Transverse

• Spiral

Which bone protects the brain?

• Rib

• Skull

• Sternum

• Vertebra

The functional classification of a freely movable joint is:

• Synarthrosis

• Amphiarthrosis

• Diarthrosis

• Synchondrosis

Synovial fluid functions to:

• Bind bones together

• Lubricate the joint

• Strengthen tendons

• Replace cartilage