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SCIENCE GAMES

FORENSICS

 

 

SEROLOGY TEST REVIEW

 
 
  

file:///H:/TESTS/forensic%20final%2015%20web%203/forensic%20final%2015%20web%203.html

 

 
  
  
  
  
 

Exam

Name___________________________________

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
 

1) 

Buccal cells are obtained from: 1) ____

 

A) 

urine.

 

B) 

blood.

 

C) 

fingers.

 

D) 

semen.

 

E) 

the mouth and inside of the cheek.

2) 

As the magnifying power of the compound microscope increases, the depth of focus: 2) ____

 

A) 

remains the same.

 

B) 

decreases.

 

C) 

increases.

3) 

The most commonly encountered ridge characteristics (used by AFIS) are the: 3) ____

 

A) 

ridge crossing and short ridge.

 

B) 

island and bifurcation.

 

C) 

bifurcation and ridge ending.

 

D) 

ridge ending and island.

 

E) 

bifurcation and trifurcation.

4) 

Which barbiturate is absorbed more slowly than the others? 4) ____

 

A) 

phenobarbital

 

B) 

butabarbital

 

C) 

secobarbital

 

D) 

amobarbital

 

E) 

pentobarbital

5) 

Forensic databases are maintained for all of the following except: 5) ____

 

A) 

dental impressions.

 

B) 

automotive paint.

 

C) 

bullets.

 

D) 

fingerprints.

 

E) 

DNA.

6) 

Which blood components are directly pertinent to the forensic aspects of blood identification? 6) ____

 

A) 

red blood cells

 

B) 

white blood cells

 

C) 

blood serum

 

D) 

platelets

 

E) 

both B and C

7) 

The most common ridge pattern is the: 7) ____

 

A) 

loop.

 

B) 

arch.

 

C) 

accidental.

 

D) 

whorl.

 

E) 

tented arch.

8) 

Under which circumstances have two people been found to have identical fingerprints? 8) ____

 

A) 

fraternal twins

 

B) 

members of the same immediate family

 

C) 

Siamese twins

 

D) 

identical twins

 

E) 

none to date

9) 

The final evaluator of forensic evidence is the: 9) ____

 

A) 

prosecutor.

 

B) 

police.

 

C) 

accused.

 

D) 

media.

 

E) 

jury.

10) 

The technology of DNA typing had its beginnings in 1985 with the work of: 10) ____

 

A) 

Francis Crick.

 

B) 

Alec Jeffreys.

 

C) 

Henry Lee.

 

D) 

John Butler

 

E) 

James Watson.

11) 

Field sobriety tests do NOT include: 11) ____

 

A) 

walk and turn.

 

B) 

divided - attention tasks.

 

C) 

horizontal gaze nystagmus.

 

D) 

performance of sit ups.

 

E) 

one leg stand.

12) 

Who postulated the exchange of evidence principle? 12) ____

 

A) 

Osborn

 

B) 

Bernoulli

 

C) 

Galton

 

D) 

Locard

 

E) 

Gross

13) 

the average female has this amount of blood 13) ____

 

A) 

2 - 3L

 

B) 

4 - 5L

 

C) 

6 - 7 L

 

D) 

1000cc

14) 

Spectrophotometry can be used for: 14) ____

 

A) 

chemical identification of a substance.

 

B) 

quantification of a substance.

 

C) 

identifying the source of a substance.

 

D) 

both A and B

 

E) 

neither A nor B

15) 

In determining whether a hair sample originated from a male or a female, the MOST important consideration is: 15) ____

 

A) 

the length of the hair.

 

B) 

whether the hair is curly or straight.

 

C) 

whether the hair is bleached.

 

D) 

the results of DNA analysis performed on the root structure.

 

E) 

whether the hair was dyed.

16) 

Methamphetamine is a: 16) ____

 

A) 

stimulant.

 

B) 

tranquilizer.

 

C) 

hallucinogen.

 

D) 

depressant.

 

E) 

none of the above

17) 

If the crime scene includes a dead body, the photographer should: 17) ____

 

A) 

document all forensic personnel at crime scene.

 

B) 

attempt to identify the victim.

 

C) 

attempt to locate the victim's next of kin.

 

D) 

depict injuries and weapons at scene.

 

E) 

determine the time of death.

18) 

Which matter is NOT the province of civil litigation? The determination of competency to: 18) ____

 

A) 

refuse medical treatment.

 

B) 

stand trial for burglary.

 

C) 

prepare a will.

 

D) 

sell property.

 

E) 

purchase a vehicle.

19) 

Which of the following is the most widely used and abused drug? 19) ____

 

A) 

amphetamine

 

B) 

cocaine

 

C) 

heroin

 

D) 

alcohol

 

E) 

marijuana

20) 

What is an advantage of working with short DNA fragments? 20) ____

 

A) 

They are more stable and less likely to break apart.

 

B) 

Their quantity can be greatly amplified by PCR technology.

 

C) 

They are less subject to degradation due to adverse environmental conditions.

 

D) 

all of the above

 

E) 

A and B only

21) 

In the primary classification system, a finger is assigned numerical value if its pattern is a(n): 21) ____

 

A) 

thumb.

 

B) 

ulnar loop.

 

C) 

whorl.

 

D) 

loop.

 

E) 

arch.

22) 

Which of the following is NOT derived from opium? 22) ____

 

A) 

marijuana

 

B) 

codeine

 

C) 

morphine

 

D) 

heroin

 

E) 

none of the above

23) 

In dealing with fax machines, photocopiers and computer printers, which class characteristics might be examined? 23) ____

 

A) 

brand of machine manufacturer

 

B) 

chemical composition of toner

 

C) 

type of toner - to - paper fusing method

 

D) 

type of paper

 

E) 

all of the above

24) 

Rigor mortis refers to the: 24) ____

 

A) 

time of death.

 

B) 

stiffness of death.

 

C) 

temperature of death.

 

D) 

odor of death.

 

E) 

color of death.

25) 

The most basic methods of crime scene recording include all of the following EXCEPT: 25) ____

 

A) 

narrated videotape.

 

B) 

sketches.

 

C) 

infrared analysis.

 

D) 

photographs.

 

E) 

note taking.

26) 

Who devised a technique for determining the blood group of a dried bloodstain, which he applied to criminal investigations? 26) ____

 

A) 

Gross

 

B) 

Bertillon

 

C) 

Landsteiner

 

D) 

Locard

 

E) 

Lattes

27) 

In which phenotype pairings can the genotypes of the individuals be directly known? 27) ____

 

A) 

type O and type A

 

B) 

type A and type B

 

C) 

type A and type AB

 

D) 

type B and type O

 

E) 

type AB and type O

28) 

Super Glue fuming is NOT suitable for use on: 28) ____

 

A) 

cardboard.

 

B) 

leather.

 

C) 

floor tile.

 

D) 

plastic bags.

 

E) 

metal.

29) 

In the PCR process, the first step is to heat the DNA strands. This is to permit the: 29) ____

 

A) 

process to take place without DNA degradation.

 

B) 

hybridization to take place.

 

C) 

DNA to be extracted from the nucleus of the cell.

 

D) 

DNA to coil very tightly in the helical shape.

 

E) 

double - stranded molecules to separate completely.

30) 

Of the following, which is an acid drug? 30) ____

 

A) 

methadone

 

B) 

PCP

 

C) 

aspirin

 

D) 

methamphetamine

 

E) 

cocaine

31) 

The writing characteristics of a person may be altered by whether: 31) ____

 

A) 

paper is ruled or unruled.

 

B) 

the posture or stance of the author varies between writings.

 

C) 

a significant amount of time has passed between writing of exemplar and the questioned document.

 

D) 

pencil, ballpoint or fountain pen is used.

 

E) 

all of the above

32) 

In DNA replication, polymerases: 32) ____

 

A) 

enable the strands to unwind from the helix.

 

B) 

help assemble the new DNA strands in proper base sequence.

 

C) 

separate the strands of the double helix.

 

D) 

all of the above

 

E) 

B and C only.

33) 

To analyze blood for alcohol, forensic labs normally use: 33) ____

 

A) 

GM/MS.

 

B) 

GC.

 

C) 

LC.

 

D) 

PCR.

 

E) 

TLC.

34) 

Which component of DNA forms the backbone of the molecule? 34) ____

 

A) 

phosphate group

 

B) 

adenine

 

C) 

sugar

 

D) 

nitrogenous base

 

E) 

both A and C

35) 

Which is NOT a class characteristic of a suspect's sneaker? 35) ____

 

A) 

wear marks

 

B) 

size

 

C) 

color

 

D) 

style

 

E) 

brand

36) 

Carbon monoxide is toxic because it: 36) ____

 

A) 

activates killer white blood cells.

 

B) 

destroys red blood cells.

 

C) 

causes platelets to clump.

 

D) 

causes brain damage due to overexposure to carbon atoms.

 

E) 

combines with hemoglobin to form carboxyhemoglobin.

37) 

In which hereditary disease does abnormal hemoglobin differ from normal hemoglobin by only a single amino acid? 37) ____

 

A) 

sickle - cell anemia

 

B) 

phenylketonuria

 

C) 

albinism

 

D) 

cystic fibrosis

 

E) 

hemophilia

38) 

The condenser of a compound microscope is located: 38) ____

 

A) 

beneath the stage.

 

B) 

between the coarse and fine adjustments.

 

C) 

at the base.

 

D) 

in the eyepiece.

 

E) 

within the body tube.

39) 

The rate of cooling of a dead body can be influenced by all BUT the: 39) ____

 

A) 

weather conditions.

 

B) 

location.

 

C) 

size of body.

 

D) 

exposure to direct sunlight.

 

E) 

gender of victim.

40) 

What laboratory procedure has made possible the development of bacteria that can synthesize insulin? 40) ____

 

A) 

karyotyping

 

B) 

electrophoresis

 

C) 

gene splicing

 

D) 

Southern blotting

 

E) 

PCR

41) 

Charred debris from an arson scene should be: 41) ____

 

A) 

aired out before packing in plastic wrap.

 

B) 

packaged in air tight glass jar.

 

C) 

placed together with similar items in a paper bag.

 

D) 

placed in Ziploc bags.

 

E) 

thrown away with the other fire debris.

42) 

The specific proteins produced by a cell are directly related to the: 42) ____

 

A) 

sequence of nucleotides in the DNA of the cell.

 

B) 

length of the chromosomes.

 

C) 

number of mitochondria in the cell.

 

D) 

size of the cell.

 

E) 

sequence of sugars and phosphates in the cell.

43) 

A rough sketch need NOT include a: 43) ____

 

A) 

date, location, and time of the incident.

 

B) 

compass heading designating north.

 

C) 

sketch of the suspect(s).

 

D) 

location of walls, doors and windows in the building on scene.

 

E) 

location of all recovered physical evidence.

44) 

Which is NOT a component of a nucleotide? 44) ____

 

A) 

double helix

 

B) 

sugar

 

C) 

phosphorous containing group

 

D) 

nitrogenous base

 

E) 

all of the above

45) 

What is the number of nitrogenous bases needed to code for a specific amino acid? 45) ____

 

A) 

2

 

B) 

4

 

C) 

5

 

D) 

3

 

E) 

6

46) 

Questioned documents include: 46) ____

 

A) 

letters and checks.

 

B) 

contracts and passports.

 

C) 

petitions and lottery tickets.

 

D) 

rare books.

 

E) 

all of the above

47) 

To determine whether a bloodstain is of human or animal origin, the serologist will perform: 47) ____

 

A) 

RIA.

 

B) 

EMIT.

 

C) 

the luminol test.

 

D) 

a precipitin test.

 

E) 

an analysis with Hemastix strips.

48) 

Upon entering the bloodstream, heroin is almost immediately metabolized into: 48) ____

 

A) 

procaine.

 

B) 

opium.

 

C) 

morphine.

 

D) 

codeine.

 

E) 

cocaine.

49) 

Which is NOT a manner of death? 49) ____

 

A) 

natural

 

B) 

suicide

 

C) 

accident

 

D) 

homicide

 

E) 

drowning

50) 

Marijuana has potential use in which medical application? 50) ____

 

A) 

useful as a muscle relaxant

 

B) 

lessening of nausea caused by anticancer drugs

 

C) 

reduction of excessive eye pressure in glaucoma

 

D) 

all of the above

 

E) 

none of the above

51) 

Which of the following depicts correct base - pairing in DNA? 51) ____

 

A) 

A - U

 

B) 

C - T

 

C) 

G - A

 

D) 

A - C

 

E) 

T - A

52) 

Which of the following is a correct physical evidence collection procedure? 52) ____

 

A) 

Every item collected should be secured individually in a plastic bag to prevent contamination.

 

B) 

All items collected from the same grid area should be packaged together.

 

C) 

Bloodstained garments should be packaged separately in paper bags.

 

D) 

The victim's clothing should be obtained at the crime scene and vacuumed to obtain trace evidence.

 

E) 

Items recovered from the scene of a murder should be sent along with the body to the medical examiner.

53) 

Evidence of tampering with the position of a body after death can be obtained by evaluating the: 53) ____

 

A) 

livor mortis.

 

B) 

rigor mortis.

 

C) 

algor mortis.

 

D) 

both B and C

 

E) 

none of the above

54) 

Sublimation occurs with the use of: 54) ____

 

A) 

silver nitrate.

 

B) 

laser - print detection.

 

C) 

iodine fuming.

 

D) 

cyanoacrylate.

 

E) 

ninhydrin.

55) 

A breath test reflects the alcohol concentration in the: 55) ____

 

A) 

pulmonary vein.

 

B) 

superior vena cava.

 

C) 

aorta.

 

D) 

pulmonary artery.

 

E) 

left ventricle.

56) 

Which unit has the responsibility for the examination of body fluids and organs for the presence of drugs and poisons? 56) ____

 

A) 

toxicology unit

 

B) 

physical science unit

 

C) 

evidence collection unit

 

D) 

biology unit

 

E) 

trace evidence unit

57) 

Physical evidence at a hit - and - run scene could include: 57) ____

 

A) 

fabric impressions.

 

B) 

glass fragments.

 

C) 

paint chips.

 

D) 

fiber and tissue.

 

E) 

all of the above

58) 

A compound microscope is equipped with two objectives lenses (10x and 45x) and has a 10x ocular lens. The highest magnification attainable with this instrument is: 58) ____

 

A) 

650x.

 

B) 

450x.

 

C) 

65x.

 

D) 

100x.

 

E) 

4500x.

59) 

The use of which drug will NOT lead to physical dependence? 59) ____

 

A) 

cocaine

 

B) 

alcohol

 

C) 

heroin

 

D) 

barbiturates

 

E) 

nicotine

60) 

What is the definition of a passive blood stain? 60) ____

 

A) 

gravity alone

 

B) 

blunt force trauma

 

C) 

gunshot

 

D) 

all of the above

61) 

Which part of cannabis contains the LEAST amount of THC? 61) ____

 

A) 

seeds

 

B) 

bud

 

C) 

resin

 

D) 

leaf

 

E) 

flower

Use this DNA RFLP pattern of evidence from a rape investigation to answer the following question(s).

Semen
Blood of Recovered Blood from Blood from Blood from
Victim from Victim Suspect A Suspect B Suspect C

______
______
______
______
______
______
______
______
______
62) 

The evidence suggests which suspect raped the victim? 62) ____

 

A) 

suspect B

 

B) 

The evidence shows that none of these suspects is a match.

 

C) 

The evidence suggests that two of the suspects raped the victim.

 

D) 

suspect C

 

E) 

suspect A

63) 

A low dose of alcohol will NOT inhibit: 63) ____

 

A) 

judgment.

 

B) 

concentration.

 

C) 

memory.

 

D) 

confidence.

 

E) 

all of the above

64) 

What is NOT true about codeine? 64) ____

 

A) 

It is stronger than morphine.

 

B) 

It is present in opium.

 

C) 

It is prepared synthetically from morphine.

 

D) 

It is not commonly seen as a street drug.

 

E) 

It is a component in over - the - counter cough medicine.

65) 

STR analysis has replaced RFLP DNA typing because it: 65) ____

 

A) 

requires a smaller sample size.

 

B) 

is less subject to sample degradation.

 

C) 

can be implemented using the PCR.

 

D) 

reduces time to obtain results from a sample.

 

E) 

all of the above

66) 

PCR is a technique that: 66) ____

 

A) 

provides a statistical analysis of the nitrogenous - base pairings.

 

B) 

virtually eliminates operator error from DNA analysis.

 

C) 

can produce many exact copies of segments of DNA.

 

D) 

produces information regarding the sequence of nitrogenous bases.

 

E) 

all of the above

67) 

There is a(n) ______ relationship between the amount of alcohol in the blood and that in the alveolar breath. 67) ____

 

A) 

indirect

 

B) 

punctuated

 

C) 

variable

 

D) 

undetermined

 

E) 

direct

68) 

Cocaine is a(n): 68) ____

 

A) 

hypnotic.

 

B) 

hallucinogen.

 

C) 

opiate.

 

D) 

depressant.

 

E) 

stimulant.

69) 

The individuality of an organism is determined by the organism's: 69) ____

 

A) 

DNA nucleotide sequence.

 

B) 

amino acids.

 

C) 

nitrogenous bases.

 

D) 

environment.

 

E) 

decisions.

70) 

The central canal running through many hairs is known as the: 70) ____

 

A) 

shaft.

 

B) 

cuticle.

 

C) 

root.

 

D) 

medulla.

 

E) 

cortex.

71) 

What percentage of the population falls into the 1/1 primary classification category? 71) ____

 

A) 

30%

 

B) 

5%

 

C) 

20%

 

D) 

25%

 

E) 

10%

72) 

Which would not be included in the work of the biology unit of a crime lab? 72) ____

 

A) 

fingerprint analysis

 

B) 

semen stains

 

C) 

blood typing

 

D) 

DNA profiling

 

E) 

comparison of hairs

73) 

The amount of spatter from a blood droplet falling on a hard, nonporous surface is ______ that of a drop of blood of equal size falling from the same distance onto a softer, porous surface. 73) ____

 

A) 

less than

 

B) 

the same as

 

C) 

greater than

74) 

Infrared luminescence is used to: 74) ____

 

A) 

reveal writing that has been erased.

 

B) 

detect if two different inks were used in the writing of a document.

 

C) 

both A and B

 

D) 

neither A nor B

75) 

The Marquis Reagent was used on drug evidence and it turned purple. The drug being tested could be: 75) ____

 

A) 

methadone.

 

B) 

cocaine.

 

C) 

heroin.

 

D) 

either A or B

 

E) 

either A or C

76) 

Which substance is NOT normally used as a diluent of heroin? 76) ____

 

A) 

mannitol

 

B) 

quinine

 

C) 

procaine

 

D) 

starch

 

E) 

glucose

77) 

During the period of absorption, the concentration of alcohol in arterial blood is ______ the concentration of alcohol in venous blood. 77) ____

 

A) 

greater than

 

B) 

less than

 

C) 

the same as

78) 

MDMA (Ecstasy) does NOT cause: 78) ____

 

A) 

feelings of happiness and relaxation.

 

B) 

increased heart rate and blood pressure.

 

C) 

increased inhibition.

 

D) 

hallucinogenic and amphetamine - like effects.

 

E) 

confusion, anxiety and paranoia.

79) 

The building blocks of the DNA molecule are known as: 79) ____

 

A) 

polysaccharides.

 

B) 

amino acids.

 

C) 

nucleotides.

 

D) 

purines.

 

E) 

hydrocarbons.

80) 

Type AB blood contains: 80) ____

 

A) 

both A and B antigens.

 

B) 

anti - A antibodies and B antigens.

 

C) 

anti - A antigens and anti - B antibodies.

 

D) 

both anti - A and anti - B antibodies.

 

E) 

None of the above: type AB blood has no antigens or antibodies.

81) 

TURN TO ORANGE SIDE OF CARD AND BEGIN WITH QUESTION 1
Which drug is often incorrectly classified as a narcotic?
81) ____

 

A) 

marijuana

 

B) 

heroin

 

C) 

codeine

 

D) 

morphine

 

E) 

opium

82) 

The most difficult drug addiction to overcome is that of: 82) ____

 

A) 

heroin.

 

B) 

nicotine.

 

C) 

caffeine.

 

D) 

alcohol.

 

E) 

crack cocaine.

83) 

The specificity of microcrystalline tests is ______ the specificity of color tests. 83) ____

 

A) 

greater than

 

B) 

less than

 

C) 

the same as

84) 

Evidence with individual characteristics can lead to a determination of common origin (single source). Which type of evidence CANNOT yield such results? 84) ____

 

A) 

random striations on tools

 

B) 

fingerprints

 

C) 

single - layer paints

 

D) 

wear patterns on tires

 

E) 

DNA

85) 

TLC uses ______ as its moving phase. 85) ____

 

A) 

silica gel

 

B) 

a thin film

 

C) 

liquid

 

D) 

a gas

 

E) 

a carrier gas

86) 

Who is known as the "father of forensic toxicology"? 86) ____

 

A) 

Osborn

 

B) 

Vidocq

 

C) 

Orfilia

 

D) 

Lattes

 

E) 

Locard

87) 

Which of the following is NOT true about digital imaging? 87) ____

 

A) 

It is a reliable method of preserving fingerprint evidence before attempting to lift the print from the substrate.

 

B) 

It produces an image composed of pixels.

 

C) 

Once the image is produced, it can be manipulated and enlarged.

 

D) 

It does not allow for the simultaneous comparison of two prints.

 

E) 

It is a process in which a picture is converted into a digital file.

88) 

The Controlled Substance Act established five schedules of classification for substances based on a drug's: 88) ____

 

A) 

potential for physical dependence.

 

B) 

potential for abuse.

 

C) 

medical value.

 

D) 

potential for psychological dependence.

 

E) 

all of the above

89) 

What is the LEAST important consideration in the gathering of evidence at a crime scene? 89) ____

 

A) 

guilt of the suspect(s)

 

B) 

proper recognition of the evidence

 

C) 

completion of the chain of custody documents

 

D) 

adequate preservation of samples

 

E) 

competent collection of materials

90) 

As the magnification of the compound microscope is increased, the field of view: 90) ____

 

A) 

decreases.

 

B) 

increases.

 

C) 

remains the same.

91) 

The amount of alcohol absorbed through the stomach walls is ______ the amount of alcohol absorbed through the walls of the small intestine. 91) ____

 

A) 

greater than

 

B) 

less than

 

C) 

the same as

92) 

Crime scene reconstruction requires the piecing together of: 92) ____

 

A) 

accounts given by witnesses and suspects.

 

B) 

the story told by evidence recovered at crime scene.

 

C) 

input from medical examiner.

 

D) 

the laboratory results obtained by the criminalists working on the case.

 

E) 

all of the above

93) 

Restriction enzymes: 93) ____

 

A) 

reduce the time required for PCR.

 

B) 

inhibit DNA replication.

 

C) 

limit the amount of protein produced in a cell.

 

D) 

reduce the DNA replication rate.

 

E) 

cut DNA at specific sites.

94) 

Which crime scene search pattern would absolutely require more than one investigator? 94) ____

 

A) 

spiral

 

B) 

line

 

C) 

grid

 

D) 

zone

 

E) 

none of the above

95) 

Use of which of the following drugs is LEAST likely to lead to psychological dependence? 95) ____

 

A) 

heroin

 

B) 

alcohol

 

C) 

codeine

 

D) 

cocaine

 

E) 

nicotine

96) 

Which statement about tandem repeats is NOT true? 96) ____

 

A) 

More than one STR can be analyzed at once in a process called multiplexing.

 

B) 

More than 30% of the human genome is composed of these repeating units.

 

C) 

It is thought that they may act as spacers between the coded regions of DNA.

 

D) 

They are of no forensic interest.

 

E) 

Their origin is a mystery.

97) 

A substance with a pH of 8 is likely to be: 97) ____

 

A) 

water.

 

B) 

acidic.

 

C) 

slimey

 

D) 

neutral.

 

E) 

vinegar

98) 

Prints impressed in a bar of soap are referred to as: 98) ____

 

A) 

plastic.

 

B) 

temporary.

 

C) 

hidden.

 

D) 

latent.

 

E) 

dusted.

99) 

Ninhydrin is used on a latent print to detect: 99) ____

 

A) 

salt.

 

B) 

riboflavin.

 

C) 

fatty acids.

 

D) 

oils.

 

E) 

protein material.

100) 

The DOT set the maximum allowable blood alcohol concentration for commercial truck and bus drivers at: 100) ____

 

A) 

.05%.

 

B) 

.10%.

 

C) 

.08%.

 

D) 

.04%.

 

E) 

.02%.

101) 

What is the most widely used illicit drug in the United States today? 101) ____

 

A) 

marijuana

 

B) 

methadone

 

C) 

alcohol

 

D) 

cocaine

 

E) 

heroin

102) 

A properly maintained chain of custody is NOT the responsibility of the: 102) ____

 

A) 

crime scene processor.

 

B) 

trace evidence examiner.

 

C) 

trial judge.

 

D) 

evidence clerk.

 

E) 

forensic technician.

103) 

The molecular structure of DNA was deduced by: 103) ____

 

A) 

Gregor Mendel.

 

B) 

Francis Crick.

 

C) 

James Watson.

 

D) 

Linus Pauling.

 

E) 

both B and C

104) 

The successful outcome of a criminal investigation is almost always directly related to: 104) ____

 

A) 

the manner in which the evidence is collected and preserved.

 

B) 

the volume of the physical evidence collected.

 

C) 

whether the crime is considered high profile.

 

D) 

the complexity of the crime.

 

E) 

the number of people employed in the crime lab.

105) 

During gel electrophoresis the DNA is: 105) ____

 

A) 

cut into fragments.

 

B) 

visualized using x - rays.

 

C) 

extracted from the cell nuclei.

 

D) 

undergoing hybridization.

 

E) 

separated by fragment size.

106) 

Success in the recognition and collection of physical evidence is determined primarily by the: 106) ____

 

A) 

time available to the evidence collectors.

 

B) 

notoriety of the case.

 

C) 

type of evidence involved.

 

D) 

size of the budget of the crime lab.

 

E) 

skill of personnel processing the crime scene.

107) 

What size are high velocity impact spatter? 107) ____

 

A) 

between 1 and 1.5 cm

 

B) 

less than one mm

 

C) 

greater than one cm

 

D) 

greater than one mm

 

E) 

none of the above

108) 

Which chromatographic process would be LEAST likely to be utilized in the crime lab? 108) ____

 

A) 

TLC

 

B) 

gas chromatography - mass spectrometry

 

C) 

paper chromatography

 

D) 

GC

 

E) 

None, all are used with equal frequency.

109) 

Recombinant DNA technology is useful in producing: 109) ____

 

A) 

livestock.

 

B) 

clones.

 

C) 

insulin and growth hormone.

 

D) 

artificial hearts and kidneys.

 

E) 

new organs for transplant.

110) 

The PCR technique requires the use of a thermal cycler to: 110) ____

 

A) 

copy DNA.

 

B) 

hydrolyze polymerase.

 

C) 

make probes radioactive.

 

D) 

synthesize protein.

 

E) 

analyze the sequence of bases.

111) 

What item is NOT considered a porous surface? 111) ____

 

A) 

skin

 

B) 

cloth

 

C) 

tile

 

D) 

cardboard

 

E) 

paper

112) 

What is true about the "club drug" Rohypnol? 112) ____

 

A) 

It results in loss of memory of what happened in the hours after ingestion.

 

B) 

It can cause drowsiness, dizziness, and loss of consciousness.

 

C) 

It is odorless, colorless and tasteless.

 

D) 

It is enhanced when combined with alcohol.

 

E) 

all of the above

113) 

The systematic collection, organization, and analysis of information is a process known as: 113) ____

 

A) 

forensic science.

 

B) 

crime scene investigation.

 

C) 

criminal profiling.

 

D) 

crime scene reconstruction.

 

E) 

the scientific method.

114) 

As the post mortem interval increases, the concentration of potassium in the vitreous humor of the eye: 114) ____

 

A) 

decreases.

 

B) 

remains the same.

 

C) 

increases.

 

D) 

B or C

 

E) 

A or C

115) 

According to forensic entomologists, which "witness" is the first to arrive at the crime scene? 115) ____

 

A) 

carrion beetle

 

B) 

centipede

 

C) 

blow fly

 

D) 

spider

 

E) 

mite

116) 

The collection of standard reference samples at the crime scene is important because they: 116) ____

 

A) 

prove the continuity of possession.

 

B) 

permit comparisons to be made with the evidence.

 

C) 

are obtained only from suspects in cases of violent assault.

 

D) 

serve as a source of extra test material if required in the crime lab.

 

E) 

prevent the laboratory from making mistakes.

117) 

In order to examine an opaque object with a compound microscope, one must: 117) ____

 

A) 

stain the object before viewing it.

 

B) 

use infrared analysis.

 

C) 

use ultraviolet radiation

 

D) 

use reflected illumination.

 

E) 

light the object from beneath the stage.

118) 

In the United States, the rarest blood type is: 118) ____

 

A) 

B.

 

B) 

Rh positive.

 

C) 

O.

 

D) 

A.

 

E) 

AB.

119) 

Which chemical treatment produces a white - appearing latent print? 119) ____

 

A) 

physical developer

 

B) 

Super Glue fuming

 

C) 

crystal violet

 

D) 

iodine fuming

 

E) 

ninhydrin

120) 

The concept of "general acceptance" of scientific evidence relates to the: 120) ____

 

A) 

exclusionary rule.

 

B) 

First Amendment.

 

C) 

Frye standard.

 

D) 

John's Law.

 

E) 

Miranda warnings.

121) 

Which nitrogenous base is NOT found in DNA? 121) ____

 

A) 

guanine

 

B) 

adenine

 

C) 

uracil

 

D) 

cytosine

 

E) 

thymine

122) 

Which of the following CANNOT be used by the medical examiner to determine the body's alcohol content to a reasonable degree of accuracy if blood is not available? 122) ____

 

A) 

urine

 

B) 

vitreous humor

 

C) 

brain tissue

 

D) 

cerebrospinal fluid

 

E) 

A and D

123) 

The case of Coppolino v. State highlights issues dealing with: 123) ____

 

A) 

the admissibility of the polygraph.

 

B) 

the evidential value of confessions.

 

C) 

search and seizure.

 

D) 

the acceptability of new scientific tests.

 

E) 

warrantees searches.

124) 

Information from the Human Genome Project will: 124) ____

 

A) 

help to reveal the role and implications of evolution.

 

B) 

reveal the location of a gene on a particular chromosome.

 

C) 

aid in understanding the underlying causes of cancer.

 

D) 

be useful for diagnosing and treating genetic diseases.

 

E) 

all of the above

125) 

Fingerprints are formed: 125) ____

 

A) 

at birth.

 

B) 

at conception.

 

C) 

during first six months after birth.

 

D) 

during fetal development.

 

E) 

by the time a child is two years old.

126) 

"Designer" drugs are: 126) ____

 

A) 

very often used in the fashion industry.

 

B) 

often abused by the wealthy.

 

C) 

chemically related to controlled substances.

 

D) 

high - end products of the major pharmaceutical companies.

 

E) 

only available in "boutique" pharmacies and drug stores.

127) 

CODIS is a national system of: 127) ____

 

A) 

shared databases of DNA typing information from convicted felons and crime scene evidence.

 

B) 

computers to track the movement of sex offenders released from prison.

 

C) 

vastly enhanced 911 emergency systems.

 

D) 

crime laboratory directors.

 

E) 

standards for forensic science evaluators.

128) 

The sniffing of volatile solvents can cause: 128) ____

 

A) 

feelings of exhilaration and euphoria.

 

B) 

slurred speech and double vision.

 

C) 

drowsiness and stupor.

 

D) 

liver, heart, and brain damage.

 

E) 

all of the above

129) 

Which hallucinogen can be synthesized by a simple chemical process and is often manufactured in clandestine laboratories? 129) ____

 

A) 

PCP

 

B) 

cocaine

 

C) 

marijuana

 

D) 

LSD

 

E) 

mescaline

130) 

The presence of high levels of carbon monoxide in the blood of a victim found at the scene of a suspicious fire is proof that the victim: 130) ____

 

A) 

perished after the fire started.

 

B) 

was not a cigarette smoker.

 

C) 

died before the fire started.

 

D) 

was the arsonist.

 

E) 

died elsewhere and was brought to the fire scene after death.

131) 

Barbiturates act to: 131) ____

 

A) 

suppress central nervous system functions.

 

B) 

produce sleep.

 

C) 

create a feeling of well - being.

 

D) 

promote relaxation.

 

E) 

all of the above

132) 

What is true about monoclonal antibodies? 132) ____

 

A) 

They can be produced in limitless supply.

 

B) 

They are produced by injecting a mouse with an antigen.

 

C) 

They are expected to be medicine's version of the "magic bullet."

 

D) 

They are produced utilizing rapidly multiplying blood - cancer cells.

 

E) 

all of the above

133) 

The friction skin ridges: 133) ____

 

A) 

have no useful purpose other than identification.

 

B) 

provide a firmer grip.

 

C) 

resist slippage.

 

D) 

both B and C

 

E) 

all of the above

134) 

In Western countries the most heavily abused drug(s) is/are: 134) ____

 

A) 

amphetamines.

 

B) 

barbiturates.

 

C) 

cocaine.

 

D) 

alcohol.

 

E) 

tranquilizers.

135) 

DNA is a(n): 135) ____

 

A) 

polymer.

 

B) 

enzyme.

 

C) 

sugar.

 

D) 

starch.

 

E) 

protein.

136) 

What is the smallest percentage of blood loss would cause death? 136) ____

 

A) 

20%

 

B) 

40%

 

C) 

60%

 

D) 

*0%

137) 

Forensic science is the application of science to: 137) ____

 

A) 

speech making.

 

B) 

both criminal and civil laws.

 

C) 

civil laws.

 

D) 

criminal laws.

 

E) 

crime scene reconstruction.

138) 

Who established the first workable crime laboratory? 138) ____

 

A) 

Locard

 

B) 

Galton

 

C) 

Bertillon

 

D) 

Doyle

 

E) 

Osborn

139) 

Spectrophotometry utilizes which light source? 139) ____

 

A) 

visible

 

B) 

infrared

 

C) 

UV

 

D) 

all of the above

 

E) 

none of the above

140) 

Which type of test would logically be used first by the drug analyst? 140) ____

 

A) 

microcrystalline

 

B) 

TLC

 

C) 

gas chromatography

 

D) 

color

 

E) 

taste

141) 

The rate at which large DNA fragments move through the electrophoretic gel is ______ the rate at which small DNA fragments move through the same apparatus. 141) ____

 

A) 

greater than

 

B) 

the same as

 

C) 

less than

142) 

The first officer arriving at a crime scene, after providing or obtaining medical assistance for the injured and effecting an arrest of suspects (if possible), should immediately: 142) ____

 

A) 

take notes.

 

B) 

make a rough sketch of the scene.

 

C) 

secure the scene.

 

D) 

search for evidence.

 

E) 

photograph the scene.

143) 

The number of deltas found in an arch pattern is ______ the number of deltas found in a loop pattern. 143) ____

 

A) 

less than

 

B) 

greater than

 

C) 

the same as

144) 

AFIS is a(n): 144) ____

 

A) 

computer system programmed to analyze hair.

 

B) 

computerized system for storing and retrieving fingerprint records.

 

C) 

method used to determine age of a latent print.

 

D) 

assay technique used to identify drugs.

 

E) 

computer software designed to track fingerprint evidence within the chain of custody.

145) 

Currently, which of the following is most often used in conjunction with chemically induced fluorescence to visualize latent prints? 145) ____

 

A) 

luminol

 

B) 

high - intensity light sources

 

C) 

UV light

 

D) 

IR light

 

E) 

laser illumination

146) 

Most narcotics are: 146) ____

 

A) 

physically addicting.

 

B) 

pain relievers.

 

C) 

obtained from opium.

 

D) 

depressants to the central nervous system.

 

E) 

all of the above

147) 

Paternity testing is done involving a woman with type AB blood who has accused a man with type B blood of fathering her child who has tested AB. What can be determined in this case? 147) ____

 

A) 

The male definitely IS the father of the child.

 

B) 

The male could have fathered the child.

 

C) 

The child cannot belong to this mother.

 

D) 

The male is definitely not the father of the child.

 

E) 

none of the above

148) 

Who undertook the first definitive study of fingerprints as a method of personal identification? 148) ____

 

A) 

Goddard

 

B) 

Locard

 

C) 

Gross

 

D) 

Lattes

 

E) 

Galton

149) 

Which is NOT an effect of marijuana use? 149) ____

 

A) 

increased heart rate

 

B) 

impaired motor skills

 

C) 

dryness of the mouth

 

D) 

decrease in appetite for sweets

 

E) 

reddening of the eyes

150) 

The formula for angle of impact is 150) ____

 

A) 

inverse sine (L/W)

 

B) 

Inverse sine (W/L)

 

C) 

tangent (L/W)

 

D) 

tangent (W/L)