Week 9 (Bone/Cartilage Injury)

What time frame following fracture healing correlates with fracture stability and disappearing fracture lines on radiographs?

• 1-5 weeks

• 6-12 weeks

• 13-18 weeks

• 19-24 weeks

Which phase of bone healing is characterized by rupture to blood vessels in the Haversian system?

• Hematoma

• Inflammation

• Reparative

• Remodeling

Which of the following best describes why inflammation is impaired in cartilage following injury?

• Lack of lymphatic vessels

• Lack of blood flow

• Lack of cells in the tissue

• Lack of matrix proteins

As a result of degeneration, discs lose which functional capability?

• Annulus water content

• Annulus collagen alignment

• Disc water content

• Disc shock absorption

During the proliferative phase of healing following a tendon or muscle rupture, which of the following interventions is recommended?

• Controlled passive movement

• Active range of movement

• Anti-gravity movement

• Movement against heavy resistance