Exam
Name___________________________________

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

1) 

The writing characteristics of a person may be altered by whether 

A) 

the posture or stance of the author varies between writings. 

B) 

pencil, ballpoint or fountain pen is used. 

C) 

paper is ruled or unruled. 

D) 

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

E) 

all of the above 

2) 

As the post mortem interval increases, the concentration of potassium in the vitreous humor of the eye 

A) 

remains the same. 

B) 

decreases. 

C) 

increases. 

D) 

B or C 

E) 

A or C 

3) 

PCR is a technique that 

A) 

virtually eliminates operator error from DNA analysis. 

B) 

can produce many exact copies of segments of DNA. 

C) 

produces information regarding the sequence of nitrogenous bases. 

D) 

provides a statistical analysis of the nitrogenous-base pairings. 

E) 

all of the above 

4) 

Spectrophotometry can be used for 

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 

5) 

A substance with a pH of 8 is likely to be 

A) 

acidic. 

B) 

slimey 

C) 

water. 

D) 

vinegar 

E) 

neutral. 

6) 

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

A) 

Bertillon 

B) 

Lattes 

C) 

Landsteiner 

D) 

Gross 

E) 

Locard 

7) 

A breath test reflects the alcohol concentration in the 

A) 

pulmonary vein. 

B) 

superior vena cava. 

C) 

left ventricle. 

D) 

pulmonary artery. 

E) 

aorta. 

8) 

During gel electrophoresis the DNA is 

A) 

extracted from the cell nuclei. 

B) 

undergoing hybridization. 

C) 

visualized using x-rays. 

D) 

separated by fragment size. 

E) 

cut into fragments. 

9) 

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

A) 

comparison of hairs 

B) 

semen stains 

C) 

fingerprint analysis 

D) 

blood typing 

E) 

DNA profiling 

10) 

Which of the following is NOT derived from opium? 

A) 

codeine 

B) 

marijuana 

C) 

morphine 

D) 

heroin 

E) 

none of the above 

11) 

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

A) 

white blood cells 

B) 

red blood cells 

C) 

blood serum 

D) 

platelets 

E) 

both B and C 

12) 

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

A) 

the luminol test. 

B) 

RIA. 

C) 

an analysis with Hemastix strips. 

D) 

EMIT. 

E) 

a precipitin test. 

13) 

As the magnifying power of the compound microscope increases, the depth of focus 

A) 

decreases. 

B) 

increases. 

C) 

remains the same. 

14) 

Forensic databases are maintained for all of the following except 

A) 

dental impressions. 

B) 

fingerprints. 

C) 

automotive paint. 

D) 

bullets. 

E) 

DNA. 

15) 

Infrared luminescence is used to 

A) 

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

B) 

reveal writing that has been erased. 

C) 

both A and B 

D) 

neither A nor B 

16) 

Prints impressed in a bar of soap are referred to as 

A) 

temporary. 

B) 

hidden. 

C) 

dusted. 

D) 

latent. 

E) 

plastic. 

17) 

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

A) 

.02%. 

B) 

.05%. 

C) 

.08%. 

D) 

.04%. 

E) 

.10%. 

18) 

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

A) 

glucose 

B) 

procaine 

C) 

starch 

D) 

quinine 

E) 

mannitol 

19) 

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

A) 

amphetamines. 

B) 

alcohol. 

C) 

barbiturates. 

D) 

tranquilizers. 

E) 

cocaine. 

20) 

CODIS is a national system of 

A) 

standards for forensic science evaluators. 

B) 

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

C) 

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

D) 

vastly enhanced 911 emergency systems. 

E) 

crime laboratory directors. 

21) 

Which is NOT an effect of marijuana use? 

A) 

decrease in appetite for sweets 

B) 

dryness of the mouth 

C) 

impaired motor skills 

D) 

reddening of the eyes 

E) 

increased heart rate 

22) 

Carbon monoxide is toxic because it 

A) 

causes platelets to clump. 

B) 

destroys red blood cells. 

C) 

combines with hemoglobin to form carboxyhemoglobin. 

D) 

causes brain damage due to overexposure to carbon atoms. 

E) 

activates killer white blood cells. 

23) 

The number of deltas found in an arch pattern is ________ the number of deltas found in a loop pattern. 

A) 

the same as 

B) 

greater than 

C) 

less than 

24) 

The most common ridge pattern is the 

A) 

tented arch. 

B) 

loop. 

C) 

whorl. 

D) 

arch. 

E) 

accidental. 

25) 

The successful outcome of a criminal investigation is almost always directly related to 

A) 

the volume of the physical evidence collected. 

B) 

whether the crime is considered high profile. 

C) 

the complexity of the crime. 

D) 

the manner in which the evidence is collected and preserved. 

E) 

the number of people employed in the crime lab. 

26) 

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

A) 

thumb. 

B) 

whorl. 

C) 

ulnar loop. 

D) 

arch. 

E) 

loop. 

27) 

Who established the first workable crime laboratory? 

A) 

Osborn 

B) 

Locard 

C) 

Bertillon 

D) 

Doyle 

E) 

Galton 

28) 

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

A) 

2 

B) 

4 

C) 

5 

D) 

6 

E) 

3 

29) 

The amount of alcohol absorbed through the stomach walls is ________ the amount of alcohol absorbed through the walls of the small intestine. 

A) 

less than 

B) 

the same as 

C) 

greater than 

30) 

A properly maintained chain of custody is NOT the responsibility of the 

A) 

forensic technician. 

B) 

trial judge. 

C) 

trace evidence examiner. 

D) 

evidence clerk. 

E) 

crime scene processor. 

31) 

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

A) 

type of paper 

B) 

chemical composition of toner 

C) 

type of toner-to-paper fusing method 

D) 

brand of machine manufacturer 

E) 

all of the above 

32) 

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

A) 

*0% 

B) 

40% 

C) 

60% 

D) 

20% 

33) 

Field sobriety tests do NOT include 

A) 

divided-attention tasks. 

B) 

one leg stand. 

C) 

walk and turn. 

D) 

performance of sit ups. 

E) 

horizontal gaze nystagmus. 

34) 

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

A) 

nicotine 

B) 

heroin 

C) 

alcohol 

D) 

codeine 

E) 

cocaine 

35) 

The individuality of an organism is determined by the organism's 

A) 

amino acids. 

B) 

nitrogenous bases. 

C) 

DNA nucleotide sequence. 

D) 

decisions. 

E) 

environment. 

36) 

Evidence of tampering with the position of a body after death can be obtained by evaluating the 

A) 

rigor mortis. 

B) 

algor mortis. 

C) 

livor mortis. 

D) 

both B and C 

E) 

none of the above 

37) 

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

A) 

Gross 

B) 

Goddard 

C) 

Locard 

D) 

Lattes 

E) 

Galton 

38) 

The building blocks of the DNA molecule are known as 

A) 

hydrocarbons. 

B) 

amino acids. 

C) 

polysaccharides. 

D) 

purines. 

E) 

nucleotides. 

39) 

Physical evidence at a hit-and-run scene could include 

A) 

glass fragments. 

B) 

fabric impressions. 

C) 

paint chips. 

D) 

fiber and tissue. 

E) 

all of the above 

40) 

Success in the recognition and collection of physical evidence is determined primarily by the 

A) 

size of the budget of the crime lab. 

B) 

notoriety of the case. 

C) 

time available to the evidence collectors. 

D) 

type of evidence involved. 

E) 

skill of personnel processing the crime scene. 

41) 

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

A) 

cystic fibrosis 

B) 

phenylketonuria 

C) 

sickle-cell anemia 

D) 

hemophilia 

E) 

albinism 

42) 

The technology of DNA typing had its beginnings in 1985 with the work of 

A) 

Francis Crick. 

B) 

Alec Jeffreys. 

C) 

John Butler 

D) 

James Watson. 

E) 

Henry Lee. 

43) 

The most basic methods of crime scene recording include all of the following EXCEPT 

A) 

infrared analysis. 

B) 

note taking. 

C) 

narrated videotape. 

D) 

sketches. 

E) 

photographs. 

44) 

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

A) 

A-C 

B) 

C-T 

C) 

A-U 

D) 

G-A 

E) 

T-A 

45) 

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

A) 

cocaine 

B) 

alcohol 

C) 

heroin 

D) 

marijuana 

E) 

amphetamine 

46) 

Sublimation occurs with the use of 

A) 

iodine fuming. 

B) 

laser-print detection. 

C) 

ninhydrin. 

D) 

silver nitrate. 

E) 

cyanoacrylate. 

47) 

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

A) 

IR light 

B) 

luminol 

C) 

UV light 

D) 

laser illumination 

E) 

high-intensity light sources 

48) 

Charred debris from an arson scene should be 

A) 

aired out before packing in plastic wrap. 

B) 

placed together with similar items in a paper bag. 

C) 

thrown away with the other fire debris. 

D) 

placed in Ziploc bags. 

E) 

packaged in air tight glass jar. 

49) 

The specific proteins produced by a cell are directly related to the 

A) 

number of mitochondria in the cell. 

B) 

sequence of nucleotides in the DNA of the cell. 

C) 

sequence of sugars and phosphates in the cell. 

D) 

length of the chromosomes. 

E) 

size of the cell. 

50) 

Which of the following is NOT true about digital imaging? 

A) 

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

B) 

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

C) 

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

D) 

It produces an image composed of pixels. 

E) 

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

51) 

Which is NOT a manner of death? 

A) 

natural 

B) 

suicide 

C) 

accident 

D) 

drowning 

E) 

homicide 

52) 

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? 

A) 

brain tissue 

B) 

vitreous humor 

C) 

urine 

D) 

cerebrospinal fluid 

E) 

A and D 

53) 

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

A) 

heroin 

B) 

morphine 

C) 

opium 

D) 

codeine 

E) 

marijuana 

54) 

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

A) 

methadone. 

B) 

heroin. 

C) 

cocaine. 

D) 

either A or B 

E) 

either A or C 

55) 

Which component of DNA forms the backbone of the molecule? 

A) 

phosphate group 

B) 

adenine 

C) 

sugar 

D) 

nitrogenous base 

E) 

both A and C 

56) 

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? 

A) 

The child cannot belong to this mother. 

B) 

The male could have fathered the child. 

C) 

The male definitely IS the father of the child. 

D) 

The male is definitely not the father of the child. 

E) 

none of the above 

57) 

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

A) 

completion of the chain of custody documents 

B) 

guilt of the suspect(s) 

C) 

adequate preservation of samples 

D) 

proper recognition of the evidence 

E) 

competent collection of materials 

58) 

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

A) 

fraternal twins 

B) 

Siamese twins 

C) 

identical twins 

D) 

members of the same immediate family 

E) 

none to date 

59) 

Information from the Human Genome Project will 

A) 

help to reveal the role and implications of evolution. 

B) 

be useful for diagnosing and treating genetic diseases. 

C) 

reveal the location of a gene on a particular chromosome. 

D) 

aid in understanding the underlying causes of cancer. 

E) 

all of the above 

60) 

Spectrophotometry utilizes which light source? 

A) 

infrared 

B) 

visible 

C) 

UV 

D) 

all of the above 

E) 

none of the above 

61) 

The case of Coppolino v. State highlights issues dealing with 

A) 

the admissibility of the polygraph. 

B) 

the acceptability of new scientific tests. 

C) 

warrantees searches. 

D) 

search and seizure. 

E) 

the evidential value of confessions. 

62) 

The molecular structure of DNA was deduced by 

A) 

Linus Pauling. 

B) 

Francis Crick. 

C) 

James Watson. 

D) 

Gregor Mendel. 

E) 

both B and C 

63) 

"Designer" drugs are 

A) 

chemically related to controlled substances. 

B) 

high-end products of the major pharmaceutical companies. 

C) 

very often used in the fashion industry. 

D) 

often abused by the wealthy. 

E) 

only available in "boutique" pharmacies and drug stores. 

64) 

What is true about the "club drug" Rohypnol? 

A) 

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

B) 

It is enhanced when combined with alcohol. 

C) 

It is odorless, colorless and tasteless. 

D) 

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

E) 

all of the above 

65) 

Most narcotics are 

A) 

physically addicting. 

B) 

pain relievers. 

C) 

depressants to the central nervous system. 

D) 

obtained from opium. 

E) 

all of the above 

66) 

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 

A) 

450x. 

B) 

4500x. 

C) 

650x. 

D) 

100x. 

E) 

65x. 

67) 

If the crime scene includes a dead body, the photographer should 

A) 

attempt to locate the victim's next of kin. 

B) 

document all forensic personnel at crime scene. 

C) 

determine the time of death. 

D) 

depict injuries and weapons at scene. 

E) 

attempt to identify the victim. 

68) 

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 

A) 

take notes. 

B) 

secure the scene. 

C) 

search for evidence. 

D) 

make a rough sketch of the scene. 

E) 

photograph the scene. 

69) 

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

A) 

fingerprints 

B) 

single-layer paints 

C) 

DNA 

D) 

wear patterns on tires 

E) 

random striations on tools 

70) 

What  size are high velocity impact spatter? 

A) 

between 1 and 1.5 cm 

B) 

none of the above 

C) 

greater than one cm 

D) 

greater than one mm 

E) 

less than one mm 

71) 

To analyze blood for alcohol, forensic labs normally use 

A) 

GC. 

B) 

GM/MS. 

C) 

TLC. 

D) 

LC. 

E) 

PCR. 

72) 

Which barbiturate is absorbed more slowly than the others? 

A) 

secobarbital 

B) 

amobarbital 

C) 

pentobarbital 

D) 

butabarbital 

E) 

phenobarbital 

73) 

The concept of "general acceptance" of scientific evidence relates to the 

A) 

John's Law. 

B) 

Frye standard. 

C) 

Miranda warnings. 

D) 

First Amendment. 

E) 

exclusionary rule. 

74) 

The condenser of a compound microscope is located 

A) 

at the base. 

B) 

within the body tube. 

C) 

beneath the stage. 

D) 

between the coarse and fine adjustments. 

E) 

in the eyepiece. 

75) 

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 

A) 

perished after the fire started. 

B) 

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

C) 

was the arsonist. 

D) 

died before the fire started. 

E) 

was not a cigarette smoker. 

76) 

The final evaluator of forensic evidence is the 

A) 

accused. 

B) 

jury. 

C) 

police. 

D) 

media. 

E) 

prosecutor. 

77) 

Which chemical treatment produces a white-appearing latent print? 

A) 

iodine fuming 

B) 

crystal violet 

C) 

physical developer 

D) 

Super Glue fuming 

E) 

ninhydrin 

78) 

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

A) 

the results of DNA analysis performed on the root structure. 

B) 

whether the hair is curly or straight. 

C) 

whether the hair was dyed. 

D) 

the length of the hair. 

E) 

whether the hair is bleached. 

79) 

What is the definition of a passive blood stain? 

A) 

gunshot 

B) 

all of the above 

C) 

blunt force trauma 

D) 

gravity alone 

80) 

Methamphetamine is a 

A) 

stimulant. 

B) 

tranquilizer. 

C) 

depressant. 

D) 

hallucinogen. 

E) 

none of the above 

81) 

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

A) 

island and bifurcation. 

B) 

bifurcation and ridge ending. 

C) 

ridge ending and island. 

D) 

bifurcation and trifurcation. 

E) 

ridge crossing and short ridge. 

82) 

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. 

A) 

the same as 

B) 

less than 

C) 

greater than 

83) 

Which statement about tandem repeats is NOT true? 

A) 

They are of no forensic interest. 

B) 

Their origin is a mystery. 

C) 

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

D) 

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

E) 

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

84) 

The central canal running through many hairs is known as the 

A) 

medulla. 

B) 

cuticle. 

C) 

root. 

D) 

shaft. 

E) 

cortex. 

85) 

Fingerprints are formed 

A) 

at birth. 

B) 

during fetal development. 

C) 

during first six months after birth. 

D) 

by the time a child is two years old. 

E) 

at conception. 

86) 

Ninhydrin is used on a latent print to detect 

A) 

fatty acids. 

B) 

protein material. 

C) 

oils. 

D) 

riboflavin. 

E) 

salt. 

87) 

Which is NOT a component of a nucleotide? 

A) 

nitrogenous base 

B) 

sugar 

C) 

double helix 

D) 

phosphorous containing group 

E) 

all of the above 

88) 

The most difficult drug addiction to overcome is that of 

A) 

heroin. 

B) 

alcohol. 

C) 

nicotine. 

D) 

caffeine. 

E) 

crack cocaine. 

89) 

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

A) 

toxicology unit 

B) 

evidence collection unit 

C) 

physical science unit 

D) 

biology unit 

E) 

trace evidence unit 

90) 

As the magnification of the compound microscope is increased, the field of view 

A) 

decreases. 

B) 

remains the same. 

C) 

increases. 

91) 

The collection of standard reference samples at the crime scene is important because they 

A) 

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

B) 

permit comparisons to be made with the evidence. 

C) 

prevent the laboratory from making mistakes. 

D) 

prove the continuity of possession. 

E) 

are obtained only from suspects in cases of violent assault. 

92) 

MDMA (Ecstasy) does NOT cause 

A) 

increased heart rate and blood pressure. 

B) 

feelings of happiness and relaxation. 

C) 

confusion, anxiety and paranoia. 

D) 

increased inhibition. 

E) 

hallucinogenic and amphetamine-like effects. 

93) 

Buccal cells are obtained from 

A) 

the mouth and inside of the cheek. 

B) 

urine. 

C) 

blood. 

D) 

fingers. 

E) 

semen. 

94) 

Recombinant DNA technology is useful in producing 

A) 

artificial hearts and kidneys. 

B) 

new organs for transplant. 

C) 

clones. 

D) 

insulin and growth hormone. 

E) 

livestock. 

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

		________		
________				
	________			
		________		
			________	
				________
________
	________
				________

95) 

The evidence suggests which suspect raped the victim? 

A) 

suspect C 

B) 

suspect A 

C) 

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

D) 

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

E) 

suspect B 

96) 

What is an advantage of working with short DNA fragments? 

A) 

They are more stable and less likely to break apart. 

B) 

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

C) 

Their quantity can be greatly amplified by PCR technology. 

D) 

all of the above 

E) 

A and B only 

97) 

The sniffing of volatile solvents can cause 

A) 

liver, heart, and brain damage. 

B) 

drowsiness and stupor. 

C) 

feelings of exhilaration and euphoria. 

D) 

slurred speech and double vision. 

E) 

all of the above 

98) 

What item is NOT considered a porous surface? 

A) 

skin 

B) 

cardboard 

C) 

tile 

D) 

paper 

E) 

cloth 

99) 

Marijuana has potential use in which medical application? 

A) 

reduction of excessive eye pressure in glaucoma 

B) 

lessening of nausea caused by anticancer drugs 

C) 

useful as a muscle relaxant 

D) 

all of the above 

E) 

none of the above 

100) 

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

A) 

cocaine 

B) 

LSD 

C) 

marijuana 

D) 

PCP 

E) 

mescaline 

101) 

The friction skin ridges 

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 

102) 

Type AB blood contains 

A) 

both anti-A and anti-B antibodies. 

B) 

anti-A antigens and anti-B antibodies. 

C) 

both A and B antigens. 

D) 

anti-A antibodies and B antigens. 

E) 

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

103) 

The rate of cooling of a dead body can be influenced by all BUT the 

A) 

location. 

B) 

exposure to direct sunlight. 

C) 

size of body. 

D) 

weather conditions. 

E) 

gender of victim. 

104) 

Restriction enzymes 

A) 

reduce the time required for PCR. 

B) 

inhibit DNA replication. 

C) 

limit the amount of protein produced in a cell. 

D) 

cut DNA at specific sites. 

E) 

reduce the DNA replication rate. 

105) 

STR analysis has replaced RFLP DNA typing because it 

A) 

requires a smaller sample size. 

B) 

can be implemented using the PCR. 

C) 

is less subject to sample degradation. 

D) 

reduces time to obtain results from a sample. 

E) 

all of the above 

106) 

Upon entering the bloodstream, heroin is almost immediately metabolized into 

A) 

procaine. 

B) 

cocaine. 

C) 

opium. 

D) 

codeine. 

E) 

morphine. 

107) 

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

A) 

type A and type B 

B) 

type AB and type O 

C) 

type B and type O 

D) 

type O and type A 

E) 

type A and type AB 

108) 

Super Glue fuming is NOT suitable for use on 

A) 

plastic bags. 

B) 

cardboard. 

C) 

leather. 

D) 

floor tile. 

E) 

metal. 

109) 

The specificity of microcrystalline tests is ________ the specificity of color tests. 

A) 

the same as 

B) 

less than 

C) 

greater than 

110) 

Who postulated the exchange of evidence principle? 

A) 

Bernoulli 

B) 

Osborn 

C) 

Galton 

D) 

Locard 

E) 

Gross 

111) 

Who is known as the "father of forensic toxicology"? 

A) 

Vidocq 

B) 

Orfilia 

C) 

Osborn 

D) 

Lattes 

E) 

Locard 

112) 

A rough sketch need NOT include a 

A) 

date, location, and time of the incident. 

B) 

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

C) 

sketch of the suspect(s). 

D) 

compass heading designating north. 

E) 

location of all recovered physical evidence. 

113) 

AFIS is a(n) 

A) 

computer system programmed to analyze hair. 

B) 

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

C) 

assay technique used to identify drugs. 

D) 

computerized system for storing and retrieving fingerprint records. 

E) 

method used to determine age of a latent print. 

114) 

TLC uses ________ as its moving phase. 

A) 

a thin film 

B) 

a gas 

C) 

silica gel 

D) 

liquid 

E) 

a carrier gas 

115) 

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

A) 

grid 

B) 

line 

C) 

spiral 

D) 

zone 

E) 

none of the above 

116) 

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

A) 

carrion beetle 

B) 

mite 

C) 

spider 

D) 

centipede 

E) 

blow fly 

117) 

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

A) 

the same as 

B) 

greater than 

C) 

less than 

118) 

Which part of cannabis contains the LEAST amount of THC? 

A) 

flower 

B) 

leaf 

C) 

resin 

D) 

seeds 

E) 

bud 

119) 

Forensic science is the application of science to 

A) 

speech making. 

B) 

criminal laws. 

C) 

both criminal and civil laws. 

D) 

civil laws. 

E) 

crime scene reconstruction. 

120) 

Which nitrogenous base is NOT found in DNA? 

A) 

adenine 

B) 

cytosine 

C) 

uracil 

D) 

thymine 

E) 

guanine 

121) 

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

A) 

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

B) 

Bloodstained garments should be packaged separately in paper bags. 

C) 

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

D) 

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

E) 

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

122) 

The systematic collection, organization, and analysis of information is a process known as 

A) 

forensic science. 

B) 

criminal profiling. 

C) 

the scientific method. 

D) 

crime scene investigation. 

E) 

crime scene reconstruction. 

123) 

Of the following, which is an acid drug? 

A) 

cocaine 

B) 

PCP 

C) 

aspirin 

D) 

methamphetamine 

E) 

methadone 

124) 

In order to examine an opaque object with a compound microscope, one must 

A) 

light the object from beneath the stage. 

B) 

use reflected illumination. 

C) 

stain the object before viewing it. 

D) 

use ultraviolet radiation 

E) 

use infrared analysis. 

125) 

the average female has this amount of blood 

A) 

6-7 L 

B) 

4-5L 

C) 

1000cc 

D) 

2-3L 

126) 

Cocaine is a(n) 

A) 

opiate. 

B) 

hallucinogen. 

C) 

depressant. 

D) 

stimulant. 

E) 

hypnotic. 

127) 

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

A) 

variable 

B) 

punctuated 

C) 

indirect 

D) 

undetermined 

E) 

direct 

128) 

In DNA replication, polymerases 

A) 

separate the strands of the double helix. 

B) 

enable the strands to unwind from the helix. 

C) 

help assemble the new DNA strands in proper base sequence. 

D) 

all of the above 

E) 

B and C only. 

129) 

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. 

A) 

less than 

B) 

greater than 

C) 

the same as 

130) 

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

A) 

TLC 

B) 

taste 

C) 

gas chromatography 

D) 

color 

E) 

microcrystalline 

131) 

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

A) 

barbiturates 

B) 

heroin 

C) 

nicotine 

D) 

alcohol 

E) 

cocaine 

132) 

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

A) 

gas chromatography-mass spectrometry 

B) 

paper chromatography 

C) 

TLC 

D) 

GC 

E) 

None, all are used with equal frequency. 

133) 

The PCR technique requires the use of a thermal cycler to 

A) 

hydrolyze polymerase. 

B) 

copy DNA. 

C) 

synthesize protein. 

D) 

make probes radioactive. 

E) 

analyze the sequence of bases. 

134) 

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

A) 

30% 

B) 

25% 

C) 

10% 

D) 

5% 

E) 

20% 

135) 

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

A) 

alcohol 

B) 

heroin 

C) 

cocaine 

D) 

methadone 

E) 

marijuana 

136) 

Crime scene reconstruction requires the piecing together of 

A) 

accounts given by witnesses and suspects. 

B) 

the story told by evidence recovered at crime scene. 

C) 

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

D) 

input from medical examiner. 

E) 

all of the above 

137) 

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

A) 

color 

B) 

wear marks 

C) 

style 

D) 

size 

E) 

brand 

138) 

In the PCR process, the first step is to heat the DNA strands. This is to permit the 

A) 

hybridization to take place. 

B) 

DNA to coil very tightly in the helical shape. 

C) 

DNA to be extracted from the nucleus of the cell. 

D) 

double-stranded molecules to separate completely. 

E) 

process to take place without DNA degradation. 

139) 

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

A) 

karyotyping 

B) 

gene splicing 

C) 

Southern blotting 

D) 

PCR 

E) 

electrophoresis 

140) 

What is true about monoclonal antibodies? 

A) 

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

B) 

They are produced by injecting a mouse with an antigen. 

C) 

They can be produced in limitless supply. 

D) 

They are produced utilizing rapidly multiplying blood-cancer cells. 

E) 

all of the above 

141) 

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

A) 

medical value. 

B) 

potential for abuse. 

C) 

potential for physical dependence. 

D) 

potential for psychological dependence. 

E) 

all of the above 

142) 

Rigor mortis refers to the 

A) 

odor of death. 

B) 

time of death. 

C) 

color of death. 

D) 

temperature of death. 

E) 

stiffness of death. 

143) 

Which matter is NOT the province of civil litigation? The determination of competency to 

A) 

refuse medical treatment. 

B) 

purchase a vehicle. 

C) 

sell property. 

D) 

stand trial for burglary. 

E) 

prepare a will. 

144) 

A low dose of alcohol will NOT inhibit 

A) 

confidence. 

B) 

memory. 

C) 

concentration. 

D) 

judgment. 

E) 

all of the above 

145) 

Barbiturates act to 

A) 

create a feeling of well-being. 

B) 

produce sleep. 

C) 

promote relaxation. 

D) 

suppress central nervous system functions. 

E) 

all of the above 

146) 

The formula for angle of impact is  

A) 

tangent (W/L) 

B) 

Inverse sine (W/L) 

C) 

inverse sine (L/W) 

D) 

tangent (L/W) 

147) 

What is NOT true about codeine? 

A) 

It is prepared synthetically from morphine. 

B) 

It is not commonly seen as a street drug. 

C) 

It is stronger than morphine. 

D) 

It is present in opium. 

E) 

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

148) 

DNA is a(n) 

A) 

polymer. 

B) 

starch. 

C) 

sugar. 

D) 

enzyme. 

E) 

protein. 

149) 

In the United States, the rarest blood type is 

A) 

A. 

B) 

O. 

C) 

Rh positive. 

D) 

B. 

E) 

AB. 

150) 

Questioned documents include 

A) 

rare books. 

B) 

letters and checks. 

C) 

contracts and passports. 

D) 

petitions and lottery tickets. 

E) 

all of the above 

 

1) 

E 

2) 

C 

3) 

B 

4) 

D 

5) 

B 

6) 

B 

7) 

D 

8) 

D 

9) 

C 

10) 

B 

11) 

E 

12) 

E 

13) 

A 

14) 

A 

15) 

C 

16) 

E 

17) 

D 

18) 

A 

19) 

B 

20) 

B 

21) 

A 

22) 

C 

23) 

C 

24) 

B 

25) 

D 

26) 

B 

27) 

B 

28) 

E 

29) 

A 

30) 

B 

31) 

E 

32) 

B 

33) 

D 

34) 

D 

35) 

C 

36) 

C 

37) 

E 

38) 

E 

39) 

E 

40) 

E 

41) 

C 

42) 

B 

43) 

A 

44) 

E 

45) 

B 

46) 

A 

47) 

E 

48) 

E 

49) 

B 

50) 

B 

51) 

D 

52) 

C 

53) 

E 

54) 

B 

55) 

E 

56) 

B 

57) 

B 

58) 

E 

59) 

E 

60) 

D 

61) 

B 

62) 

E 

63) 

A 

64) 

E 

65) 

E 

66) 

A 

67) 

D 

68) 

B 

69) 

B 

70) 

E 

71) 

A 

72) 

E 

73) 

B 

74) 

C 

75) 

A 

76) 

B 

77) 

D 

78) 

A 

79) 

D 

80) 

A 

81) 

B 

82) 

B 

83) 

A 

84) 

A 

85) 

B 

86) 

B 

87) 

C 

88) 

E 

89) 

A 

90) 

A 

91) 

B 

92) 

D 

93) 

A 

94) 

D 

95) 

D 

96) 

E 

97) 

E 

98) 

C 

99) 

D 

100) 

D 

101) 

D 

102) 

C 

103) 

E 

104) 

D 

105) 

E 

106) 

E 

107) 

B 

108) 

B 

109) 

C 

110) 

D 

111) 

B 

112) 

C 

113) 

D 

114) 

D 

115) 

D 

116) 

E 

117) 

B 

118) 

D 

119) 

C 

120) 

C 

121) 

B 

122) 

C 

123) 

C 

124) 

B 

125) 

B 

126) 

D 

127) 

E 

128) 

C 

129) 

A 

130) 

D 

131) 

E 

132) 

B 

133) 

B 

134) 

B 

135) 

E 

136) 

E 

137) 

B 

138) 

D 

139) 

B 

140) 

E 

141) 

E 

142) 

E 

143) 

D 

144) 

A 

145) 

E 

146) 

B 

147) 

C 

148) 

A 

149) 

E 

150) 

E