Ch. 13: Forensic Toxicology Questions With Complete
Solutions
9 Step Walk and Turn Correct Answer Suspect must walk in a
straight line heel to toe for 9 steps, turn around and repeat
-divided attention task
Absorption Correct Answer After ingesting alcohol, it passes
across the wall of the stomach and small intestine into the
bloodstream
Acid Correct Answer a compound capable of donating a
hydrogen ion (H+) to another compound
-barbiturates, aspirin
Alco-Sensor Correct Answer Small hand held intoxilyzers
that must be used when intending on arresting for DUI; people
are able to refuse this
Alcohol Correct Answer most heavily abused drug in Western
countries
Anticoagulant Correct Answer a substance that prevents
coagulation or clotting of blood
-EDTA, potassium oxalate
BAC Correct Answer Blood alcohol concentration (the
amount of alcohol in a person's blood, expressed as a
percentage)
-not a quick and simple measure
, BAC Formula Correct Answer BAC (1 ml blood) = BAC
(2100 ml alveolar breath @ 34C)
BAC Laws Correct Answer 0.08% = intoxication
Base Correct Answer a compound capable of accepting a
hydrogen ion (H+)
-methadone, cocaine, amphetamines
Breathalyzer Correct Answer A device for collecting and
measuring the alcohol content of alveolar breath (deep-lung
breath)
-1954 R. F. Borkenstein
-replaced by Intoxilyzer
Carbon Monoxide Correct Answer Most common poison,
causes death by asphyxiation
-spectrophotometric methods
-gas chromatography
-percent saturation: amount of carbon monoxide in blood
Collection of Blood Correct Answer Physician must use a
nonalcoholic disinfectant before drawing blood, and mix with
-anticoagulant
-preservative
Confirmation Test Correct Answer Eliminates the possibility
of a substance falsely showing up as an abused drug
-Gas Chromatography/Mass Spectrometry
Solutions
9 Step Walk and Turn Correct Answer Suspect must walk in a
straight line heel to toe for 9 steps, turn around and repeat
-divided attention task
Absorption Correct Answer After ingesting alcohol, it passes
across the wall of the stomach and small intestine into the
bloodstream
Acid Correct Answer a compound capable of donating a
hydrogen ion (H+) to another compound
-barbiturates, aspirin
Alco-Sensor Correct Answer Small hand held intoxilyzers
that must be used when intending on arresting for DUI; people
are able to refuse this
Alcohol Correct Answer most heavily abused drug in Western
countries
Anticoagulant Correct Answer a substance that prevents
coagulation or clotting of blood
-EDTA, potassium oxalate
BAC Correct Answer Blood alcohol concentration (the
amount of alcohol in a person's blood, expressed as a
percentage)
-not a quick and simple measure
, BAC Formula Correct Answer BAC (1 ml blood) = BAC
(2100 ml alveolar breath @ 34C)
BAC Laws Correct Answer 0.08% = intoxication
Base Correct Answer a compound capable of accepting a
hydrogen ion (H+)
-methadone, cocaine, amphetamines
Breathalyzer Correct Answer A device for collecting and
measuring the alcohol content of alveolar breath (deep-lung
breath)
-1954 R. F. Borkenstein
-replaced by Intoxilyzer
Carbon Monoxide Correct Answer Most common poison,
causes death by asphyxiation
-spectrophotometric methods
-gas chromatography
-percent saturation: amount of carbon monoxide in blood
Collection of Blood Correct Answer Physician must use a
nonalcoholic disinfectant before drawing blood, and mix with
-anticoagulant
-preservative
Confirmation Test Correct Answer Eliminates the possibility
of a substance falsely showing up as an abused drug
-Gas Chromatography/Mass Spectrometry
