| ||||||||
forensic final 15 web htmlb
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) |