Which of the Following Describes the Glasgow Coma Scale (GCS)

Which of the following describes the Glasgow Coma Scale (GCS) ?

A) A common test that clinicians use for determination of giftedness or intellectual disability.
B) A specific test that clinicians use for diagnosis of learning disabilities.
C) A common test that clinicians use in cases of possible traumatic brain injury.
D) A specific test that clinicians use to test working memory and processing speed.