CY110_ Forensic Science -Arson and Explosives Quiz Ch 14&15

Question 1

10 / 10 pts

The DOT set the maximum allowable blood alcohol concentration for commercial truck and bus drivers at:

.08%.

.02%.

.05%.

Correct!

.04%.

.10%

Question 2

10 / 10 pts

Which of the following, if blood is not available, can the medical examiner NOT use in order to determine the body's alcohol content to a reasonable degree of accuracy?

Correct!

urine

cerebrospinal fluid

vitreous humor

brain tissue

urine and brain tissue

Question 3

10 / 10 pts

The rate of alcohol absorption on a full stomach is ________ the rate of absorption on an empty stomach.

the same as

Correct!

less than

greater than

Question 4

10 / 10 pts

The concentration of alcohol in an exhaled breath is in direct proportion to that of the blood of the same individual. The ratio of this relationship is closest to:

1:10.

1:1,000.

1:100.

Correct!

1:2,000.

1:21,000

Question 5

10 / 10 pts

In Western countries, the most heavily abused drug(s) is/are:

tranquilizers.

Correct!

alcohol.

barbiturates.

amphetamines.

cocaine.

Question 6

0 / 10 pts

Which is NOT a factor in determining the rate at which alcohol is absorbed into the bloodstream?

the alcoholic content of the beverage

the presence or absence of food in the stomach

the amount consumed

Correct Answer

all of these are factors

You Answered

the alcoholic content of the beverage and the amount consumed

Question 7

10 / 10 pts

Which is NOT a widely used screening tool in the toxicology lab?

immunoassay

TLC

Correct!

GC-MS

GC

none of these

Question 8

10 / 10 pts

There is a(n) ________ relationship between the amount of alcohol in the blood and that in the alveolar breath.

variable

indirect

Correct!

direct

undetermined

punctuated

Question 9

0 / 10 pts

A drug recognition expert (DRE) can:

identify street drugs by their appearance.

help a drug user acknowledge his/her habit and suggest ways to become drug-free.

You Answered

determine whether a person has taken one or more drugs.

Correct Answer

advise the toxicologist as to which analytical scheme to use to specifically identify a toxic substance.

smell the presence of illicit drugs on a suspect's clothing.

Question 10

10 / 10 pts

During the period of absorption, the concentration of alcohol in arterial blood is ________ the concentration of alcohol in venous blood.

the same as

less than

Correct!

greater than

Quiz Score: 80 out of 100

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