Drugs of Abuse Determination

Question 1

Causes false negative reactions

Answer 1

Diluting fluids (water or bleach)
Higher cut-off level of the rapid test kit

Question 2

Samples that can be used

Answer 2

Fresh serum
Blood/plasma
Urine
Hair
Saliva
Meconium
Breast milk

Question 3

This is the first choice for the quantitative determination of drugs

Answer 3

Blood/plasma

Question 4

This is the first choice for screening of drugs of abuse.

Answer 4

Urine

Question 5

It is available in sufficient quantity and substances or metabolites are present in relatively high concentrations.

Answer 5

Urine

Question 6

It is used for the determination of the history of an abuse substance consumption.

Answer 6

Hair

Question 7

Using a hair specimen, the detection of drug use is possible at _____ after ingestion.

Answer 7

10-14 days to 90 days

Question 8

It is used for the screening of drugs of abuse consumed within the last 24 hours

Answer 8

Saliva

Question 9

This reveals maternal history of drugs of abuse consumption in the last 20 weeks of pregnancy and allow the choice of therapy for mother and new-born

Answer 9

Meconium

Question 10

It is used for the determination of the exposure extent of the infant to drugs of abuse.

Answer 10

Breast milk

Question 11

Advantages of urine reason why it is preferred than serum

Answer 11

Non-invasive and fast
Easy to collect
Longer window of detection
Drugs can be detected for days to weeks after exposure*

Question 12

The cut-off concentration (sensitivity level) of Rapid THC Test is determined to be

Answer 12

50ng/ml

Question 13

This has lower specificity than immunoassays and chromatographic methods

Answer 13

Rapid test kit