Why Might Finding Morphine in a Drug Test Not Necessarily

Multiple Choice

Why might finding morphine in a drug test not necessarily indicate the person is abusing morphine?

A) Certain foods contain trace amounts of morphine.
B) The person might have taken acetamenophen.
C) The person might have taken a prescription cough syrup containing codeine.
D) Recreational morphine use is approved in some U.S. states.