Inspection of thoracic duct, percutaneous approach

Which mechanism of injury accounts for the majority of injuries in the elderly population?

a. MVCs b. falls c. burns d. electricity

Periodontal bone changes that may be recorded by radiographs include each of the following EXCEPT one. Which one is the EXCEPTION?

a. Amount of bone loss b. Distribution of bone loss c. Severity of bone loss d. Pattern of bone loss