All of the following are known to have the capacity to cause oral mucosal pigmentation except:

A study of F-wave latency should be used when evaluating an individual with

A) thoracic outlet syndrome B) nerve root compression C) Guillain-Barre syndrome D) all of the above

The maximum score for the Glasgow Coma Scale is:

A. 15 C. 20. B. 10 D. 3.