Forensics Ch 7&8

occurred almost immediately

For a substance to be acutely toxic, it must have

cyanide poisoning

A burnt almond odor coming from a body at the morgue would indicate

FTIR

Which of the following is a spectrophotometer?

all of the above

Blood alcohol content is dependant on

chromatography

Mixtures can be analyzed by

19th century

Forensic toxicology began in

ecstasy

Which of the following is NOT a narcotic?

0.08

The legal limit of blood alcohol for adults over 21 in the US is

Carbon monoxide poisoning

A bright red lividity indicates

Orfila

The man considered the father of toxicology is

40%

In the US, the percentage of traffic deaths that are alcohol related is

339 BC

The earliest recorded use of poison was in

paint, x-ray shielding, old water pipes, residue from leaded gasoline

Sources of lead in our environment are

increases energy levels

A stimulant is a drug that

cocaine

Which of the following is NOT a hallucinogen?

all of the above

Toxicity is determined by

brain damage

Poisoning by lead can cause

ricin

Georgi Markov was assassinated by the use of

none of the above

If your blood alcohol level is near, but not over, 0.08%, it means

depressant

Ethyl alcohol is considered to be a

depressant

Alcohol is considered to be a

chromatography

A technique that separates the components of a mixture is

TSB

Which of the following is NOT a basic field sobriety test?

occurs over a long period of time

Chronic exposure to toxins

kills at least 50% of the test population exposed to the substance

Lethal dose (LD50) values are determined by the amount of a substance that

a spot test

A chemical reaction that occurs when a particular substance is added to an unknown is

infrared spectrophotometry

The breathalyzers today use

whether a particular white powder is not cocaine

A spot test can be used to determine

Henry's Law

The scientific basis of the breath test instruments is

changes normal thought processes, perceptions, and moods

A hallucinogen is a drug that

retention factor

This represents how far a compound travels in a particular solvent

mass spectrometry

Which technique allows molecules to be identified by breaking them apart and then measuring the quantity of the different pieces?

about 5% of the alcohol leaves the body unchanged in the breath, perspiration and urine

The blood alcohol content can be determined by a breath test because

thin-layer chromatography

If a spot test result is positive, a good test to identify a drug is

CIA

Which of the following does NOT deal specifically with toxicology issues?

pyrolysis

Which of the following is NOT a type of chromatography?

of substances that exceeds the sum of their individual effects

Synergism is the combined effect

1950s

The Breathalyzer was invented in the

drugs and or drug related crimes

In the US, 75% of the evidence being examined in a forensic lab is (are)

DEA

The federal agency most responsible for drug enforcement is

liver

Which body organ metabolizes alcohol?

Duquenois-Levine

A test that is most effective in screening for marijuana is the

I

Drugs that belong to this Schedule on the Controlled Substance Act have no currently accepted medical use

PDR

An illustrated dictionary of medicines and drugs is

analgesics

Over the counter drugs such as ibuprofen, acetaminophen, acetylsalicylic acid and naproxen are considered

blood alcohol content

BAC stands for _.

Mees

Single, transverse lines on fingernails indicating a poisoning are called _ lines

Chronic

_ toxicity is continuous exposure to toxins over a long period of time.

Acute

_ toxicity occurs almost immediately after an exposure.

stationary... mobile

In all types of chromatography, there is contact between a _ phase and a _ phase which cannot be mixed.

toxin

A _ is a naturally produced substance that causes injury to the health of a living thing upon contact or absorption.

toxicology

_ is the study of the adverse effects of chemical or physical agents on living organisms

true

The concentration of alcohol in breath is proportional to that in the blood.

true

Arsenic is a naturally occurring substance.

true

Spot tests can sometimes give a false positive.

false

Nicotine is a habit-forming stimulant and is considered a controlled substance.

true

When any type of drug is taken in excessive amounts, it can show toxic effects and is classified as a poison.

false

Aspirin is the most abused drug in America.

true

Marijuana is a hallucinogen.

true

All substances can be toxic depending on the dosage.

true

A spot test would only be considered a preliminary test.

true

Infrared spectroscopy is an analytic technique that analyzes the interaction of a material with the electromagnetic spectrum.

true

Gas chromatography is used to determine the alcohol content of blood.

true

Many abused substances are controlled by prescription.

true

An illicit drug can be prescribed by a licensed physician.

false

Arsenic is more toxic than botulism.

false

Gender does not affect blood alcohol content.

false

During absorption, the concentration of alcohol in arterial blood is the same as that in venous blood.

false

Toxicology is a natural or synthetic substance designed to affect humans psychologically or physiologically

false

The detoxification of alcohol from the body begins with most people after the first h

false

There are 7 categories of controlled substances.

true

The average rate of alcohol removal from the body is 0.015 percent per hour, but it can vary.

false

There are seven categories of controlled substances

true

Many abused substances are controlled by prescription

true

A spot test would only be considered a preliminary test.

true

When any type of drug is taken in excessive amounts, it shows toxic effect and is classified as a poison

true

An illicit drug can be prescribed by a licensed physician

false

Nicotine is a habit-forming stimulant and is considered a controlled substance