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WorksheetsForensic Chemistry and Toxicology: Multiple Choice Test
Total questions: 137
Worksheet time: 1hrs 9mins
Choose the letter of the correct answer (1 point each). The earliest known explosive mixture discovered was what is now commonly referred to as _________.
Explosive
Black Powder
White Powder
Gun Powder
Choose the letter of the correct answer (1 point each). It was first prepared and its explosive properties described. It was first used as an explosive by Alfred Nobel in 1864.
Glycerine
Ammonium nitrate
Glycol
Nitroglycerine
Choose the letter of the correct answer (1 point each). An explosive is defined as a chemical material that, under the influence of thermal or mechanical shock, decomposes rapidly with the evolution of large amounts of heat and gas.
True
False
Choose the letter of the correct answer (1 point each). Which of the following is not a High Explosive?
lead azide
mercury fulminate
Black Powder
diazodinitrophenol
Choose the letter of the correct answer (1 point each). Are neither high nor low explosives but are any flammable materials used as fillers for the purpose of destroying a target by fire, such as red or white phosphorus, napalm, thermite, magnesium, and zirconium.
Incendiaries
Mercury Fulminate
RDX
TNT
Choose the letter of the correct answer (1 point each). Are explosives that can be used to provide controlled propulsion for a projectile. Projectiles include bullets, mortar rounds, artillery rounds, rockets, and missiles.
RDX
Propellants
Black Powder
Amatol
Choose the letter of the correct answer (1 point each). Are complex mixtures of colorants, vehicles, and additives, which are adjusted in composition to produce the desired writing characteristics.
Dye
Crayons
Paints
Inks
Choose the letter of the correct answer (1 point each). It is a writing instrument which dispenses a viscous ink from an internal reservoir through the rolling action of a metal ball at its point.
Roller Pen
Pencil
Fountain Pen
Gel Pen
Choose the letter of the correct answer (1 point each). Uses ink in which pigment is suspended in a water-based gel.
Gel Pen
Ballpoint Pen
Fountain Pen
Roller Ball Pens
Choose the letter of the correct answer (1 point each). Use ball point writing mechanisms with water-based liquid or gelled ink, as opposed to the oil-based viscous inks found in ballpoint pens. These less viscous inks, which tend to saturate more deeply and more widely into paper than other types of ink, give roller ball pens their distinctive writing qualities.
Fountain Pen
Ball Point Pen
Gel Pens
Roller Ball Pens
Choose the letter of the correct answer (1 point each). It is a pen which has its own ink-source, and usually a tip made of a porous, pressed fibers such as felt.
Felt Pen
Ceramic Tip Pens
Fountain Pen
Gel Pens
Choose the letter of the correct answer (1 point each). It is the collective term for a family of laboratory techniques for the separation of mixtures. It involves passing a mixture which contains the analyte through a stationary phase, which separates it from other molecules in the mixture and allows it to be isolated.
Liquid Isolation
Spectrophotometry
Color Test Examination
Chromatography
Choose the letter of the correct answer (1 point each). Investigations often present complex and difficult circumstances to study due to the fact that the perpetrator has thoroughly planned the act, is not present during the act, and the destruction is so extensive.
Post Blast
Arson
Crime Scene
Medico-Legal
Choose the letter of the correct answer (1 point each). Is an appendage of the skin that grows out of an organ.
Hair
Skin
DNA
Nail
Choose the letter of the correct answer (1 point each). The length of the hair extends from its root or bulb embedded in the follicle, continues into a shaft, and terminates at a tip end.
True
False
Choose the letter of the correct answer (1 point each). It is the scale structure covering the exterior of the hair.
Cuticle
Cortex
Medulla
Layers
Choose the letter of the correct answer (1 point each). Is the main body of the hair shaft.
Cuticle
Cortex
Medulla
Layers
Choose the letter of the correct answer (1 point each). Is a cellular column running through the center of the hair.
Cuticle
Cortex
Medulla
Choose the letter of the correct answer (1 point each). Which one is not a scale pattern of cuticle.
Continuous
Spinous
Evidence
Chain of Custody
Choose the letter of the correct answer (1 point each). What is the meaning of D.N.A.?
Deoxyribonucleic acid
Dioxyribonucleic acid
Deoxynucleic acid
Deoxy acid
Choose the letter of the correct answer (1 point each). Smallest component of life capable of independent reproduction.
DNA
Tissue
Cell
Chromosome
Choose the letter of the correct answer (1 point each). The biological structure by which hereditary information is physically transmitted from one generation to the next.
DNA
Tissue
Cell
Chromosome
Choose the letter of the correct answer (1 point each). DNA is unique for all individuals except identical twins.
True
False
Choose the letter of the correct answer (1 point each). DNA is formed by combination of DNA from his or her parents with half coming from the mother and half from the father.
True
False
Choose the letter of the correct answer (1 point each). Your DNA does changes through your life.
True
False
Choose the letter of the correct answer (1 point each). DNA is a physical; biological; transfer and trace evidence.
True
False
The growth of bacteria on the DNA evidence is caused by:
Moisture and heat
Low temperature
Disinfectant
Heat alone
Which of these do not contribute to the probative value of DNA?
Chain of custody
DNA Testing Methodology
The forensic laboratory
Request letter
Which of these do not tell the limitations of DNA Testing?
Tell how long the suspect was at the crime scene
Tell how long the suspect handled an object
DNA is the golden standard for paternity/maternity testing
Determine how long ago the cells were deposited on the item
True or False: If items have been stored properly, DNA can last decades (30+ years).
True
False
True or False: In the laboratory: we can’t tell in advance whether or not an item will yield any DNA.
True
False
The pressure, exceeding the ambient pressure, manifested in the shock wave of an explosion.
Blast overpressure
Deflagration
Blow in Place
Atmospheric pressure
A device designed to perform the electrical and/or mechanical alignment necessary to initiate an explosive train.
SPICEE
Arming device
Initiator
Enhancement
A device designed to perform the electrical and/or mechanical alignment necessary to initiate an explosive train.
Casing
Calibre
Caliber
Enhancement
A rapid chemical reaction occurring at a rate of less than 3,300 feet per second in which the output of heat is enough to enable the reaction to proceed and be accelerated without input of heat from another source. The effect of a true deflagration under confinement is an explosion.
Deflagration
Blast pressure
Explosion
Explosive Train
CERCLA Means?
Comprehensive Environmental Response, Compensation, and Liability Act
Comprehensive Environmental Response, Consolidation, and Liability Act
Comprehensive Explosive Response, Compensation, and Liability Act
Comprehensive Explosion Response, Compensation, and Liability Act
Discovered by Indian Physicist Chandrashekhara Raman in 1928.
Gas Chromatography
Raman spectroscopy
Infrared spectroscopy
Chromatography
Among these three explosives which is the most brissant, powerful and sensitive. Ammonium nitrate- +10% TNT - -28% PETN- 2%
TNT
Ammonium nitrate
PETN
All are powerful explosive
This can be made by combining acetone and peroxide in the presence of acid.
TNT
Ammonium nitrate
PETN
TATP
The “P” in S.P.I.C.E.E means?
Powerful
Power
Powder
Posible
It is applied to study of solide and crystalline materials.
Gas Chromatography
Infrared spectroscopy
X-ray diffraction
Thin Layer Chromatography
A forensic chemist can assist in the identification of unknown materials found at a ________ scene.
Police
Forensic
Criminalistics
Crime
He is the founding father of forensic.
Proffesor Mattheiu Orfilla
Sherlock Holmes
Dean C. Worcester
Dr. Edmund Loccard
It is the application of chemistry and its subfield, forensic toxicology, in a legal setting.
Forensic Biochemistry
Forensic Chemistry
Forensic Medicine
Forensic Photography
The father of Modern Forensic Toxicology
Proffesor Mattheiu Orfilla
Sherlock Holmes
Dean C. Worcester
Dr. Edmund Loccard
The practice of forensic started in the Philippines with the passage of ____________.
Royal Decree #143
Royal Decree # 178
Royal Decree # 188
Royal Decree # 214
Forensic came from a Latin word __________ meaning forum.
Foransics
Foransis
Forensis
Forensics
By virtue of __________ approved by the Civil Commission on July 1, 1901, the Bureau of the Government Laboratories was created for the purpose of performing biological and chemical examinations as well as for the production of vaccines and sera.
Act #143
Act #156
Act #160
Act #150
It was created under the dependency of the judicial branch of the government and the laboratory functioning under the direction of a physician and assisted by a pharmacist-chemist.
Laboratorio Kimiko
Laboratorio Scientific
Laboratorio Medico-Legal
Laboratorio Legal
October 14, 1924, through the passage of __________ by the Philippine Legislature, the same Department of Legal Medicine became a branch of Department of Justice at the same time, an integral part of the University of the Philippines.
Act no. 2043
Act no. 3043
Act no. 3443
Act no. 3221
It is simply which senses perceive. Any fact to which a witness testified based on what he saw, heard, smell, touched or tasted, is direct evidence.
Circumstantial Evidence
Direct evidence
Hearsay
Conclusive Evidence
It is proof of allegation. It is a means, sanctioned by law, of ascertaining in judicial proceedings, the truth respecting a matter of a fact.
Chain of Custody
Testimony
Document
He/She is a fact finder, but he must know the laws concerning the nature of his activities. He should procure evidence in such a way that the findings admitted in court can remain impregnable to any attack by the opposing counsel.
Investigator
Forensic Chemist
Doctor
Evidence Collector
It is a statement made by a witness on the authority of another and not from his own personal knowledge or observation. Hearsay evidence is inadmissible except with certain well-defined exceptions.
Direct evidence
Circumstantial Evidence
Hearsay
Conclusive evidence
It means the duly recorded authorized movements and custody of seized drugs or controlled chemicals or plant sources of dangerous drugs or laboratory equipment of each stage, from the time of seizure/confiscation to receipt in the forensic laboratory to safekeeping to presentation in court for destruction.
Chain of Custody
Evidence
Direct evidence
Testimonial Evidence
Is the excessive, maladaptive, or addictive use of drugs for non-medical purposes despite social, psychological, and physical problems that may arise from such use.
Drug Abuse
Drug medication
Drug Transfusion
Drug use
Many drug addicts quit using drugs for brief spells, only to return to using drugs even though they have faced serious consequences as a result of drug use.
Collapse
Return
Relapse
Reuse
It contains gases (oxygen, carbon dioxide) and molecules such as proteins, fats and carbohydrates (sugars).
Red Blood Cells
White blood cells
Red bone marrow
Plasma
It is a natural or synthetic substance used to alter consciousness, affect the structure or function of the body, and may or may not be used in the diagnosis, cure, mitigation, treatment, or prevention of disease.
Cola
Drug
Food
Preservative
An urge to repeatedly use drugs for their euphoric effects even though undesirable effects may occur.
Physical Dependence
Medical Dependence
People Dependence
Psychological Dependence
The body becomes physiologically adapted to the presence of a drug in the system; when the drug is not taken, withdrawal symptoms occur, including profuse sweating, agitation, diarrhea, insomnia.
Physical Dependence
People Dependence
Medical Dependence
Psychological Dependence
Drugs created by chemists to be similar to controlled substances, but which are legal because the chemists alter their molecular structure so they are somewhat different than the illegal drugs they are modeled after.
Over the counter drugs
Designer Drugs
Medical Drugs
A monoamine C8H11NO2 that is a decarboxylated form of dopa and that occurs especially as a neurotransmitter in the brain.
Atropine
Vassopresin
Dopamine
Somastatin
Many drugs may also be inhaled, rather than injected. The drug is snorted and quickly enters the bloodstream via the mucous membranes.
Injection
Inhalation
Ingestion
Smoking
Depress the central nervous system and reduce pain.
Depressants
Hallucinogens
Tranquilizers
Stimulants
A chemical messenger between nerve cells in the mammalian brain.
Neurotransmitter
Hormone transmitter
Electrotransmitter
Neurotransmiter
A disabling sleep disorder; patients report having excessive daytime sleepiness, brief spells of paralysis while sleeping or awake, and dream-like images when first going to sleep.
Narcolepsy
Sleep paralysis
Epilepsy
Seizures
Maintenance of a Den, Dive or Resort.
Section 6
Section 4
Section 7
Section 3
Mood elevators that stimulate the central nervous system.
Depressants
Stimulants
Tranquilizers
Hallucinogens
Importation of Dangerous Drugs and/or Controlled Precursors and Essential Chemicals.
Section 5
Section 4
Section 5
Section 6
Any facility used for the illegal manufacture of any dangerous drug and/or controlled precursor and essential chemical.
Chemistry Laboratory
Clandestine Laboratory
Biological Laboratory
Forensic Laboratory
The penalty of imprisonment ranging from six months and one day to four years and a fine ranging from Ten thousand pesos ( P10,000.00 ) to Fifty thousand pesos ( P50,000.00 ) shall be imposed upon any person who, unless authorized by law, shall possess or have under his/her control any equipment, instrument, apparatus and other paraphernalia fit or intended for smoking, consuming, administering, injecting, ingesting, or introducing any dangerous drug into the body. Identify the Section referenced.
Section 12: Possession of Equipment, Instrument, Apparatus and Other Paraphernalia for Dangerous Drugs
Section 10: Manufacture or Delivery of Equipment, Instrument, Apparatus, and Other Paraphernalia for Dangerous Drugs and/or Controlled Precursors and Essential Chemicals
Section 11: Possession of Dangerous Drugs
Section 8: Manufacture of Dangerous Drugs and/or Controlled Precursors and Essential Chemicals
Choose the Wrong Statement on Section 8. Manufacture of Dangerous Drugs and/or Controlled Precursors and Essential Chemicals: (a) Any phase of the manufacturing process was conducted in the presence or with the help of minor/s; (b) Any phase or manufacturing process was established or undertaken within one hundred (500) meters of a residential, business, church or school premises; (c) Any clandestine laboratory was secured or protected with booby traps; (d) Any clandestine laboratory was concealed with legitimate business operations.
A
B
C
D
The maximum penalty provided for under this Section shall be imposed upon any person who uses a minor or a mentally incapacitated individual to deliver such equipment, instrument, apparatus and other paraphernalia for dangerous drugs. Identify the Section referenced.
Section 9. Illegal Chemical Diversion of Controlled Precursors and Essential Chemicals
Section 10. Manufacture or Delivery of Equipment, Instrument, Apparatus, and Other Paraphernalia for Dangerous Drugs and/or Controlled Precursors and Essential Chemicals
Section 11. Possession of Dangerous Drugs
Section 8. Manufacture of Dangerous Drugs and/or Controlled Precursors and Essential Chemicals
Possession of Dangerous Drugs.
Section 11
Section 8
Section 10
Section 12
The sale, distribution, supply or transport of legitimately imported, in-transit, manufactured or procured controlled precursors and essential chemicals, in diluted, mixtures or in concentrated form, to any person or entity engaged in the manufacture of any dangerous drug, and shall include packaging, repackaging, labeling, relabeling or concealment of such transaction through fraud, destruction of documents, fraudulent use of permits, misdeclaration, use of front companies or mail fraud.
Chemical Manufacturing
Chemical Distribution
Chemical Diversion
Chemical Storing
A place where any dangerous drug and/or controlled precursor and essential chemical is administered, delivered, stored for illegal purposes, distributed, sold or used in any form.
Den
School
Community
Church
Trace evidence is physical evidence that is often difficult to detect by the naked eye, therefore some type of magnification or sensitive analytical technique is often required to detect or view.
Trace Evidence
Scientific Evidence
Circumstantial Evidence
Corroborative evidence
When a crime involves the discharge of a firearm. The first thing that must be determined by investigator is.
Who fired the gun
Where was the gun was fired
What time the gun was fired
Who held the gun
When properly obtained and analyzed, gunshot residue can connect the criminal to the proverbial.
Sooting gun
Shooting gun
Smoking gun
The face of a suspected shooter can also be sampled. This may prove especially useful when a glock or cal 38 has been used in a shooting.
True
False
Gunshot residue is best preserved on articles of clothing, even if a longer period of time has passed from the time of shooting.
True
False
Gunshot residue should be collected as soon as possible, but particles may remain at a crime scene indefinitely.
True
False
Particles found on gunshot residue are extremely durable because they are composed of heavy metals: lead, barium, and antimony.
True
False
What is the test used to estimate the distance of the fired gun to the victim.
Paraffin Examination
Modified Griess Test
Diphenylamine
Sodium rhodizonate test
Test to confirm the presence of lead, the Sodium.
Paraffin Examination
Modified Griess Test
Diphenylamine
Janowski test
It is used to recover residues for analysis using scanning electron microscopy and energy-dispersive X-ray spectroscopy (EDAX).
Water extraction
Modified Griess Test
Adhesive material
Solvent extraction
The quantity and distribution of the three metals can be described as consistent or not consistent with gunshot residue and with firing a weapon.
An assessment of consistency or inconsistency with gunshot residue and weapon firing
A definitive identification of the individual shooter
A determination of the exact time a gun was fired
A precise measurement of the firing distance
The finding of gunshot residue can certainly implicate an individual that might be involved in a crime with a firearm.
True
False
This evidence may assign guilt but may be a tool to explaining a guilty action, the events of the crime, and/or placing an individual at the scene of the crime.
True
False
Glands that excretes largely water with both inorganic (ammonia, chlorides, metal ions, phosphates) and organic compounds (amino acids, lactic acids, urea, sugars). Most important for fingerprints.
Eccrine
Apocrine
Sebaceous
Sweat glands
Secrete pheromones and other organic materials.
Eccrine
Apocrine
Sebaceous
Sweat glands
Secrete fatty or greasy substances.
Eccrine
Apocrine
Sebaceous
Sweat glands
Fumes react with oils and fats to produce a temporary yellow brown reaction.
Iodine
Powders
Ninhydrin
Cyanoacrylate
Fumes react with chloride to form silver chloride, a material which turns gray when exposed to light.
Iodine
Silver nitrate
Ninhydrin
Cyanoacrylate
Fumes react with with amino acids to produce a purple color.
Iodine
Silver nitrate
Ninhydrin
Cyanoacrylate
Used in glass, metal, plastic and hard non-porous surfaces.
Iodine
Powders
Ninhydrin
Cyanoacrylate
Used in household item, plastic, glass, metal and skin.
Iodine
Powders
Ninhydrin
Cyanoacrylate
Used in Wood, Styrofoam and cardstock.
Iodine
Silver nitrate
Ninhydrin
Cyanoacrylate
Used in paper, cardboard and unpainted surfaces.
Iodine
Silver nitrate
Ninhydrin
Cyanoacrylate
Best used in paper.
Iodine
Silver nitrate
Ninhydrin
Cyanoacrylate
Bite marks are unique and can be used to identify suspects. These imprints were placed in gum and could be matched to crime scene evidence.
Teeth marks
Foot prints
Fingerprints
Lip prints
The blood vessel patterns in the eye may be unique to individuals. They are used today for various security purposes.
Teeth marks
Foot prints
Fingerprints
Iris scan/print
What is the meaning of AFIS?
Automated Fingerprint Identification System
Automatic Fingerprint Identification System
Automatic Fingerprint Isolation System
Automatic Fingerprint Irrigation System
What is the meaning of AFIS?
Automated Fingerprint Identification System
Automatic Fingerprint Identification System
Automatic Fingerprint Isolation System
Automatic Fingerprint Irrigation System
This is a type of radiation with shorter wavelength (100–400 nm) but higher in frequency than commonly recognized visible light.
Ultraviolet
Infrared
Visible light
X-rays
An elementary particle, the quantum of the electromagnetic field and the basic unit of light and all other forms of electromagnetic radiation.
Electron
Protons
Photon
Neutrons
An optical phenomenon wherein a material emits light in response to some external stimulus.
Fluorescence
Chemiluminescence
Phosphorescence
Luminiscence
Which of these are examples of fluorescent minerals?
Sodium
Calcium
Fluorite
Fluoride
Any substance that emits visible light (400–700 nm) when stimulated by radiation. A phosphor converts the energy in UV radiation from a black light into visible light.
Phosphor
Calcite
Fluorite
Chemiluminiscent
Most physiological fluids show some fluorescence (semen, blood, urine and saliva) which are phosphor rich.
True
False
Materials don’t absorb ultraviolet light and re-emit the energy in the form of visible light of various characteristic wavelengths.
True
False
The wavelength is directly proportional to energy produced by the radiation: the shorter the wavelength, the higher the corresponding energy.
True
False
Referred to as shortwave (SW), far ultraviolet, or germicidal UV, between 180 and 280 nm, also previously known as high frequency (HF).
UVC
UVB
UVA
Infrared
Commonly known as long wave UV (LW), near ultraviolet, black light, or Wood’s light, between 320 and 400 nm, also previously known as low frequency (LF).
UVC
UVB
UVA
Infrared
Radiates at wavelength between 400 and 700 nanometers (nm) and refers to the only portion of the electromagnetic spectrum that can be seen by the human eye.
UVC
UVB
Visible light
Infrared
They are charged with the responsibility for detecting and identifying the presence of drugs and poisons in body fluids, tissues, and organs.
Criminologist
Toxicologist
Medico-Legal Officer
Chemist
Alcohol appears in the blood within minutes after it has been taken by mouth and slowly increases in concentration while it is being absorbed from the stomach and the small intestine into the bloodstream.
True
False
When all the alcohol has been absorbed, a maximum alcohol level is reached in the blood; and the post-absorption period begins.
True
False
Which of the following do not determine the rate at which alcohol is absorbed?
Factors such as time taken to consume the drink
The alcohol content
The amount consumed
Amount of vitamin intake
Elimination of alcohol throughout the body is accomplished through _________ and excretion.
Oxidation
Carboxylation
Reduction
Electrolysis
Oxidation takes place almost entirely in the _____, while alcohol is excreted unchanged in the breath, urine, and perspiration.
Intestine
Liver
Gall Bladder
Kidney
The extent to which an individual may be under the influence of alcohol is usually determined by either measuring the quantity of alcohol present in the blood system or by measuring the alcohol content in the urine.
True
False
Alcohol is absorbed from the _______ and small intestines into the bloodstream.
Intestine
Liver
Gall Bladder
Kidney
In the lungs, carbon dioxide and alcohol leave the blood and oxygen enters the blood in the air sacs known as _______.
Larynx
Alveoli
Nose
Trachea
The _______, walk and turn, and the one-leg stand are all considered reliable and effective psychophysical tests.
Walking gaze test
Vertical gaze nystagmus test
One line gaze test
Horizontal gaze nystagmus test
This offers the toxicologist the most widely used approach for determining alcohol levels in blood.
Mass Spectroscopy
Spectrometer
Blood must always be drawn under medically accepted conditions by a qualified individual.
True
False
The Gas Chromatography separates the sample into its components, while the ____ represents a unique “fingerprint” pattern that can be used for identification.
Liquid Chromatography
Mass Spectrometer
Spectrometer
Infrared Spectroscopy
Method used to destroy UXO, by use of explosives, in the location the item is encountered.
Blow-in-place
Blast Overpressure
Clearance
Conceptual Site Model
An explosive is defined as a chemical material that, under the influence of thermal or mechanical shock, decomposes rapidly with the evolution of large amounts of heat and gas.
True
False
An explosive is defined as a chemical material that, under the influence of thermal or mechanical shock, decomposes rapidly with the evolution of large amounts of heat and gas.
High Explosives
Low explosives
Incindiaries
Investigations often present complex and difficult circumstances to study due to the fact that the perpetrator has thoroughly planned the act, is not present during the act, and the destruction is so extensive.
Post Blast
Arson
Crime Scene
Is a type of oxidation, which is the combination of oxygen with other substances to produce new substances.
Arson
Fire
Explosion
Combustion
To start a fire, the minimum temperature needed to ignite fuel spontaneously, known as the __________, must be reached.
Ignition Temperature
Heat of Combustion
Glowing Combustion
Arson
is burning at the fuel-air interface, such as that of a cigarette.
Flash point
Pyrolysis
Glowing Combustion
Combustion
Is the result of a natural heat producing process in poorly ventilated container or areas
Pyrolysis
Spontaneous Combustion
Glowing Combustion
Combustion
