Which of the following statements is true regarding fractures?


• Early ambulation is important after any surgery. With hip replacements, the nurse should initiate weight-bearing ambulation as prescribed by the physician

• Compartment syndrome occurs when pressure increases inside a body compartment and impedes blood flow, leading to ischemia. Damage is irreversible after 4 to 6 hours

• The continuous passive motion device should be used in combination with physical therapy

• Fat embolisms are most common in long bone fractures

• Crutches should be fitted so that there are two to three finger widths between the axilla and the top of the crutch

• Heparin therapy is important in the prevention of thromboembolism, especially after hip fractures

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