CPC Drug Testing Protocols & Compliance Standards 2

Question 1

Under DOT 49 CFR Part 40, what is the minimum volume of urine required for a primary specimen?

Accepted Answer

30 mL

Answer

DOT regulations require at least 30 mL of urine for the primary specimen in a federal workplace drug test.

Question 2

A collector notices the urine temperature is 96°F. What should the collector do?

Accepted Answer

Accept the specimen as valid

Answer

A temperature between 90°F and 100°F (32–38°C) is within the acceptable range and the specimen should be accepted.

Question 3

What federal agency sets workplace drug testing standards for transportation employees?

Accepted Answer

DOT

Answer

The Department of Transportation (DOT) sets the drug and alcohol testing standards for safety-sensitive transportation employees.

Question 4

When a donor provides a specimen with a creatinine below 2 mg/dL, how is it reported?

Accepted Answer

Substituted

Answer

Creatinine below 2 mg/dL (combined with specific gravity criteria) meets the criteria for a substituted result.

Question 5

Which of the following adulterants would most likely cause an oxidizing result on a specimen validity test?

Accepted Answer

Bleach

Answer

Bleach is a strong oxidizing agent that can destroy drug metabolites and is detectable via oxidant colorimetric testing.

(CPC) Certified Professional Collector Practice Test