Which of the following means a drug that helps to relieve pain?

For the following questions, use an ICD-9-CM code book and select the appropriate code(s) from the diagnostic statement given

Chronic obstructive pulmonary disease with acute bronchitis

Which finding, when considered individually, is most consistent with a basilar skull fracture?

A) Bruising behind the ear B) Bilateral constricted pupils C) A hematoma over the frontal skull bone D) Altered mental status