Transcript 100 - Madison Public Schools

Forensic Science
Ch. 6 Toxicology
Toxicology
Alcohol
Testing for
Alcohol
Role of
Toxicologist
100
100
100
100
200
200
200
200
300
300
300
300
400
400
400
400
500
500
500
500
What is a forensic toxicologist?
detects and identifies drugs
and poisons in body fluids,
tissues, and organs
Row 1, Col 1
What is metabolism?
the transformation of substances
in the body in order to facilitate
elimination from the body
1,2
What is the breathalyzer?
Common field test used to
Detect the use of alcohol
1,3
What is blood and urine?
For a living person, drugs or
poisons would be detected by
collection of these two samples.
1,4
What is alcohol?
the most heavily abused drug in
the U.S.
2,1
What are absorption, distribution, and elimination?
The three basic steps in the
metabolism of alcohol.
2,2
What is the amount of alcohol exhaled in breath?
Directly proportional to blood
alcohol concentration
2,3
What is hair?
For cases in which a drug or
poison has been in a person’s
system for a long period of time,
this sample is collected and
analyzed
2,4
What are 4th and 5th amendment rights?
The administration of a
breathalyzer test or collection of
blood for analysis does not
violate these rights
3,1
What are oxidation and excretion?
Two processes in which alcohol
Is eliminated from the body
3,2
What is 0.08?
Blood alcohol concentration used
as a legal measure of drunk
driving in the U.S.
3,3
What is age, tolerance of the user, physical condition of
the user, and the interaction of multiple drugs?
Two factors which influence
drug-induced behavior.
3,4
What are confirmation tests?
tests that definitively confirm
the identity of a poison or drug
4,1
What are the rate of consumption, alcohol content, the
amount consumed, and food present in stomach?
Two factors that affect the
absorption of alcohol in the
body
4,2
What is airtight?
Type of container used to store
blood samples for the purpose
of measuring alcohol
concentration
4,3
What is the fact that drugs are found in very small
amounts and that drugs are often metabolized to other
substances in the body?
Two challenges that toxicologists
Face in detecting drugs
4,4
What are carbon monoxide, arsenic, lead, mercury, etc.?
two common non-drug poisons
detected by toxicologsists
5,1
What is the liver?
Where oxidation of alcohol
occurs in the body.
5,2
What are anti-coagulants and preservatives?
Two substances that must be
added to blood samples when
collected for measuring alcohol
concentration
5,3
What is determining the toxicity of the drug or poison?
Once a drug or poison is
detected, the toxicologist faces
this challenge.
5,4