ABFT EXAM QUESTIONS WITH
CORRECT ANSWERS 2025/2026 A+
GRADED 100% VERIFIED
Founder of USA toxicology - ANS- Alexander Gettler
"The dose makes the poison" - ANS- Paracelsus
First attempt to categorize poisons - ANS- M.J.B. Orfila
First method for extracting alkaloids - ANS- Jean Stas
Improvement to alkaloid extraction - ANS- F.J. Otto
Extensive study on pharmacology of alcohol - ANS- Erik Widmark
Invented Drunkometer - ANS- Rolla Harger
Invented Breathalyzer - ANS- Robert Borkenstein
Federal Register 1986 - ANS- Federal employees in safety- and security-sensitive
positions must be drug tested
Federal Register 1988a - ANS- publication of Mandatory Guidelines for Drug Testing of
Federal Employees by Dept. of HHS; rules for airline, pipeline, RR, and trucking
Federal Register 1988b - ANS- CFR Part 40: Procedures for transportation employee
drug and alcohol testing
In a suspected chronic poisoning, the best single specimen for elucidation of heavy
metals - ANS- Hair
Sodium fluoride effective as preservative in whole blood at - ANS- 1.0%
Single most important specimen to collect - ANS- Blood
From which sites should blood be collected and why - ANS- Heart/central, and femoral or
ileac/peripheral; in order to minimize contamination or elucidate redistribution
, Stable and isolated specimen in PM cases - ANS- Vitreous humor
Why collect urine specimen - ANS- Drugs stable longer, higher concentration. Some
testing can be performed with minimal sample prep
Can concentrate certain drugs, e.g. benzodiazepines - ANS- Bile
Red top tube - ANS- No additives
Gray - ANS- potassium oxalate and sodium fluoride
Green - ANS- Lithium heparin
Blue - ANS- Sodium citrate
Royal blue - ANS- no anticoagulant; for trace metals
Purple - ANS- K2 EDTA
Gastric fluid may be useful for - ANS- Determining route of admin, non-biological ID
(pills, etc.)
How to separate plasma - ANS- Liquid portion of blood; contains 6-8% protein;
centrifuged
How to separate serum - ANS- Liquid portion of blood with no cells or clotting factors;
allowed to clot, then centrifuged
In suspected heavy metal poisoning, specimen to collect: - ANS- Hair
Adulterated sample - ANS- Urine contains substance that is not normal constituent or at
abnormal concentration.
Dilute sample - ANS- Urine has creatinine and SG values lower than expected
Federal screening cutoff for cannabinoids - ANS- 50 ng/ml in urine
Federal screening cutoff for cocaine metabolite - ANS- 150 ng/ml in urine
Federal screening cutoff for opiate metabolites - ANS- 2000 ng/ml in urine
Federal screening cutoff for 6-AM - ANS- 10 ng/ml in urine
CORRECT ANSWERS 2025/2026 A+
GRADED 100% VERIFIED
Founder of USA toxicology - ANS- Alexander Gettler
"The dose makes the poison" - ANS- Paracelsus
First attempt to categorize poisons - ANS- M.J.B. Orfila
First method for extracting alkaloids - ANS- Jean Stas
Improvement to alkaloid extraction - ANS- F.J. Otto
Extensive study on pharmacology of alcohol - ANS- Erik Widmark
Invented Drunkometer - ANS- Rolla Harger
Invented Breathalyzer - ANS- Robert Borkenstein
Federal Register 1986 - ANS- Federal employees in safety- and security-sensitive
positions must be drug tested
Federal Register 1988a - ANS- publication of Mandatory Guidelines for Drug Testing of
Federal Employees by Dept. of HHS; rules for airline, pipeline, RR, and trucking
Federal Register 1988b - ANS- CFR Part 40: Procedures for transportation employee
drug and alcohol testing
In a suspected chronic poisoning, the best single specimen for elucidation of heavy
metals - ANS- Hair
Sodium fluoride effective as preservative in whole blood at - ANS- 1.0%
Single most important specimen to collect - ANS- Blood
From which sites should blood be collected and why - ANS- Heart/central, and femoral or
ileac/peripheral; in order to minimize contamination or elucidate redistribution
, Stable and isolated specimen in PM cases - ANS- Vitreous humor
Why collect urine specimen - ANS- Drugs stable longer, higher concentration. Some
testing can be performed with minimal sample prep
Can concentrate certain drugs, e.g. benzodiazepines - ANS- Bile
Red top tube - ANS- No additives
Gray - ANS- potassium oxalate and sodium fluoride
Green - ANS- Lithium heparin
Blue - ANS- Sodium citrate
Royal blue - ANS- no anticoagulant; for trace metals
Purple - ANS- K2 EDTA
Gastric fluid may be useful for - ANS- Determining route of admin, non-biological ID
(pills, etc.)
How to separate plasma - ANS- Liquid portion of blood; contains 6-8% protein;
centrifuged
How to separate serum - ANS- Liquid portion of blood with no cells or clotting factors;
allowed to clot, then centrifuged
In suspected heavy metal poisoning, specimen to collect: - ANS- Hair
Adulterated sample - ANS- Urine contains substance that is not normal constituent or at
abnormal concentration.
Dilute sample - ANS- Urine has creatinine and SG values lower than expected
Federal screening cutoff for cannabinoids - ANS- 50 ng/ml in urine
Federal screening cutoff for cocaine metabolite - ANS- 150 ng/ml in urine
Federal screening cutoff for opiate metabolites - ANS- 2000 ng/ml in urine
Federal screening cutoff for 6-AM - ANS- 10 ng/ml in urine
