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Toxicology
Alcohol , drugs, poison effects
20
Science
12th Grade
01/07/2020

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Cards

Term
Concentration of alcohol in breath
Definition
proportional to that in the blood.
Term
Concentration of alcohol in arterial blood
Definition
is the different as that in venous blood.
Term
How much of blood alcohol passes in a person’s system?
Definition
90% of blood alcohol is metabolized by the liver
Term
How is toxicity determined?
Definition
dosage, victim's body weight, substance chemical form, and body entrance
Term
How often does chronic exposure to toxins appear?
Definition
over a long period of time
Term
What is Synergism?
Definition
combined effect that exceeds the sum of their individual effects
Term
What does Lethal dose (LD50) values determine?
Definition
amount of a substance that at least 50% of the test population exposed to the substance
Term
What are the sources of lead in our environment?
Definition
paint, x-ray shielding, old water pipes, residue from leaded gasoline
Term
How was Aleksandr Litvenenko assassinated?
Definition
use of polonium
Term
What is Blood alcohol content dependent on?
Definition
alcohol consumption amount, quantity and type of food consumed, and  alcohol drink content
Term
What is the legal limit of blood alcohol for adults over 21 in the US?
Definition
0.08
Term
What is the scientific basis of the breath test instruments?
Definition
Henry’s Law
Term
How can blood alcohol content be determined by a breath test?
Definition
Since about 5% of the alcohol leaves the body unchanged in the breath, perspiration and urine
Term
What happens if the blood alcohol level is near, but not over, 0.08%,
Definition
possible brain damage, it is not safe to drive, the individual has been drinking for a period of time.
Term
What percentage of alcohol related traffic deaths occur in the US?
Definition
40%
Term
What does a burnt almond odor coming from a body at the morgue indicate?
Definition
cyanide poisoning
Term
What are the basic field sobriety test?
Definition
HGN,  WAT,  OLS
Term
What instrument is used in breathalyzers?
Definition
infrared spectrophotometry
Term
What is toxicology?
Definition
Study of adverse affects of chemical or physical agents on living organisms
Term
What are the metabolic product of ethyl alcohol written as a balanced chemical equation?
Definition
CO2 and H2O 3O2 + C2H5OH = 2CO2 + 3H2O
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