Question

question 4: which of these cannot be detected in a urinalysis or hair test? alcohol marijuana cocaine amphetamine

Explanation:

Alcohol can be detected in urine for up to 80 hours and in hair for up to 90 days. Marijuana, cocaine, and amphetamine can also be detected in urinalysis and hair tests as they leave metabolites in the body that are identifiable through these tests. There is no such common - knowledge compound among these that cannot be detected in either urinalysis or hair test. But if we consider the time - frame and detection limits, alcohol has a relatively shorter detection window in urine compared to the others in some cases. However, it is still detectable.

Answer:

There is no correct answer among the options provided as all can be detected in a urinalysis or hair test.