This is your first day on the medical ICU rotation. One of the patients you have been assigned to follow is comatose. You want to decide whether this patients coma is due to a metabolic or structural cause; therefore, you examine the patients papillary response to light. If the patient were in a coma due to an opiate overdose, you would expect to see which type of reaction?
A. Pupils equal and reactive to light, pinpoint B. Pupils fixed and dilated C. Pupils unequal to light D. One pupil fixed and dilated