You are assessing a 16 year old patient with head injuries from a recent motor vehicle accident. Which of the following statement s indicates the most important reason for assessing for any drainage from the canal?
a) if the drum has ruptured, there will be purulent drainage.
b) Bloody or clear watery drainage can indicate a basal skull fracture.
c) His auditory canal may be occluded from increased cer8umen
d) There may be occlusion of the canal secondarty to foreign bodies from the accident.
