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FORENSIC CHEM FINAL EXAM

Total questions: 100

Worksheet time: 57mins

Name
Class
Date
1.

In posology, the rule that "the greater the size/dose the greater the effect" is always true.

a)

TRUE

b)

FLASE

2.

A poison is more rapidly absorbed when it is in gaseous state than in solid or liquid form.

a)

TRUE

b)

FLASE

3.

Which mode of administration of poison is most effective which can rapidly produce an effect to the person taking it.

a)

Oral administration

b)

Inhalation administration

c)

Intravenous administration

d)

Intramuscular administration

4.

Absorption of poison is more rapid in areas where blood supply is greater compared to areas that has least blood supply.

a)

TRUE

b)

FALSE

5.

It is the quantity of medicine to be administered at one time.

a)

Dose

b)

Volume

c)

Weight

d)

Size

6.

Lethal Dose is:

a)

the dose that kill

b)

the one that is harmful both to the healthy and the sick.

c)

the largest amount that will cause no injury but at the same time produce the desired therapeutic effects

d)

the smallest amount of medicine that can produce the desired therapeutic effect without causing harm

7.

Poisonous Dose is

a)

the dose that kill

b)

the one that is harmful both to the healthy and the sick.

c)

the largest amount that will cause no injury but at the same time produce the desired therapeutic effects

d)

the smallest amount of medicine that can produce the desired therapeutic effect without causing harm

8.

Which of the following is not an action of an antidote?

a)

Remove the poison from the body

b)

It may mechanically prevent its absorption

c)

It may change the physical state or chemical composition

d)

It may act upon the functions of the body so as to overcome the effects of its absorption

e)

None of the given options

9.

It is an agent that removes the poison without changing it; coats the surface of the organ so that absorption is prevented.

a)

Chemical or true antidote

b)

Mechanical antidote

c)

Physiological antidote

d)

Antagonist antidote

10.

It is an agent that makes the poison harmless by chemically altering it

a)

Chemical or true antidote

b)

Mechanical antidote

c)

Physiological antidote

d)

Antagonist antidote

11.

It is an agent that acts upon the system so as to counteract the effects of the poison

a)

Chemical or true antidote

b)

Mechanical antidote

c)

Specific antidote

d)

Physiological antidote

12.

It is an agent that forms a protective film; soothes and protects the parts where demulcent is applied.

a)

Emetic

b)

Cathartic

c)

Demulcents

d)

Precipitants

13.

It is an agent that produces intestinal evacuation.

a)

Emetic

b)

Cathartic

c)

Demulcents

d)

Precipitants

14.

Carbon monoxide is an example of ___________ that is deadly when large amount is inhaled.

a)

Blood poison

b)

Cardiac Poison

c)

Nervous Poison

d)

Skin Poison

15.

This toxin is considered the most potent neurotoxin know to man.

a)

Tetanus toxin

b)

Botulinum toxin

c)

Staphylococcus toxin

d)

Streptococcus toxin

16.

Which evidence of poisoning is observed when chemical analysis of the suspected substance or the vomit or secretion of the body is performed.

a)

Post-mortem evidence

b)

Symptomatic evidence

c)

Chemical evidence

d)

Experimental evidence

17.

Hydrogen cyanide is an example of:

a)

True poison

b)

Corrosive poison

c)

Cumulative poison

d)

Irritants

18.

Digitalis is an example of ___________ .

a)

Blood poison

b)

Cardiac Poison

c)

Nervous Poison

d)

Skin Poison

19.

This type of poison is isolated by extraction with organic solvents such as strychnine and other alkaloids.

a)

Volatile Poison

b)

Non-volatile poison

c)

Metallic poison

d)

Non-metallic poison

20.

This type of poison is isolated by extraction with alcohol and chloroform.

a)

Volatile Poison

b)

Non-volatile poison

c)

Metallic poison

d)

Non-metallic poison

21.

It is the graphical representation of the three elements of fire, namely: Oxygen, heat, and fuel.

a)

Fire Triangle

b)

Fire Tetrahedron

22.

It has four elements that includes uninhibited chemical chain reaction, fuel, oxygen, and heat and it represents the flaming mode of combustion.

a)

Fire Triangle

b)

Fire Tetrahedron

23.

It is the most common way of creating fire and requires you to rub wood together using a bow, plow or a hand drill.

a)

Friction

b)

Percussion

c)

Blowing

d)

Flaming

24.

It is a way of producing fire by creating a spark to set a by using materials like rocks, flint, and a battery with wool to create sparks that will start a fire

a)

Friction

b)

Percussion

c)

Blowing

d)

Flaming

25.

The oxygen requirement in order for a fire to occur is?

a)

12%

b)

14%

c)

21%

d)

10%

26.

On this stage of fire, flame ceases but dense smoke and heat completely fill the confined room.

a)

Incipient phase

b)

Free-Burning phase

c)

Smoldering phase

d)

Beginning phase

27.

It is a highly flammable chemicals that are used to facilitate flame propagation.

a)

Accelerant

b)

Plant

c)

Trailer

d)

Intent

28.

Aka liquid fires caused by combustible liquids like gasoline and oil products.

a)

Class A fire

b)

Class B fire

c)

Class C fire

d)

Class D fire

29.

It is the process of preventing the fire from spreading and incurring further damages.

a)

Fire control

b)

Fire prevention

c)

Fire preparation

d)

Fire suppression

30.

It is the process of lowering down the temperature at the area involved and preventing the fire from being free-burning.

a)

Fire control

b)

Fire prevention

c)

Fire preparation

d)

Fire suppression

31.

The basis of criminal liability in arson includes all of the following except?

a)

Kind and character of the building burned

b)

Location of the building

c)

Extent or value of the damage

d)

Whether inhabited or not.

e)

Burning intent

32.

Willfulness in arson refers to the:

a)

act of intentional and purposely burning of property

b)

moving cause that induces the commission of the crime

c)

the purpose or design with which the act is done and involves the will

d)

hatred or a desire for revenge

33.

Malice in arson refers to the:

a)

act of intentional and purposely burning of property

b)

moving cause that induces the commission of the crime

c)

the purpose or design with which the act is done and involves the will

d)

hatred or a desire for revenge

34.

White smoke with bright white flames can be due to burning of:

a)

calcium

b)

magnesium

c)

potassium

d)

petroleum

35.

Which is not a method of proof of arson?

a)

Presence of burning

b)

Criminal design

c)

Evidence of intent

d)

Presence of drug addicts and morons

36.

Presence of bright reddish yellow flames can be due to burning of:

a)

calcium

b)

magnesium

c)

potassium

d)

petroleum

37.

Which of the following is not considered a type of pyromania?

a)

Hero Type

b)

Moron

c)

Imbeciles

d)

Down syndrome

e)

Drug Addicts and alcoholics

38.

Motive in arson refers to the:

a)

act of intentional and purposely burning of property

b)

moving cause that induces the commission of the crime

c)

the purpose or design with which the act is done and involves the will

d)

hatred or a desire for revenge

39.

Intent in arson refers to the:

a)

act of intentional and purposely burning of property

b)

moving cause that induces the commission of the crime

c)

the purpose or design with which the act is done and involves the will

d)

hatred or a desire for revenge

e)

the purpose or design with which the act is done and involves the will

40.

Which of the following laws is unrelated to arson?

a)

RA 6975

b)

RA 1185

c)

PD 1096

d)

RA 1035

41.

The study of glass fragments and fractures is important in:

a)

Hit and run

b)

Burglary

c)

Murder

d)

Rape

e)

All of the given options

42.

This type of glass was formed naturally by volcanic eruptions.

a)

Obsidian

b)

Tempered glass

c)

Borosilicate glass

d)

Leaded glass

e)

Float glass

43.

Which of the following is not a property of glass?

a)

Glass is flexible and bend upon the application of force.

b)

Glass bends on the direction where the force is applied causing the same side to stretch.

c)

Glass can withstand more bending rather than stretching

d)

Glass is hard and brittle.

44.

This type of glass is used for making automobile headlights, heat-resistant glass, lab glassware, thermometers and cookware.

a)

Soda lime glass

b)

Float glass

c)

Borosilicate glass

d)

Leaded glass

45.

This type of glass is used as decorative art glass.

a)

Soda lime glass

b)

Float glass

c)

Borosilicate glass

d)

Leaded glass

46.

This type of fracture is called the secondary structure and originate at the point of impact.

a)

Radial

b)

Concentric

c)

Conchoidal

d)

All of the given options

e)

None of the given options

47.

This type of fracture is the primary fracture that occurs at the opposite side of the glass.

a)

Radial

b)

Concentric

c)

Conchoidal

d)

All of the given options

e)

None of the given options

48.

On this side, concentric crack is observed, clear cut edges are seen, there is absence of depression and flaking.

a)

Entrance Side of glass fracture

b)

Exit Side of glass fracture

49.

What is the position of the shooter if the following characteristic is observed on the fractured glass: heavy flaking's or chippings on the left side of the glass

a)

Perpendicular Shot

b)

Angle from the Right

c)

Angle from the Left

d)

None of the given option

50.

What is the position of the shooter if the following characteristic is observed on the fractured glass: even distribution of chippings on the exit side of the glass

a)

Perpendicular Shot

b)

Angle from the Right

c)

Angle from the Left

d)

None of the given option

51.

It is an instrument or object capable of making a mark on another object

a)

Tool

b)

Tool mark

52.

It is defined as any impression, cut, scratch, gouge, or abrasion, or any other marking left on an object by any another object or instrument.

a)

Tool mark

b)

Tiremark

c)

Shoe mark

53.

It is made when a tool is pressed against or into a receiving surface.

a)

Negative Impression

b)

Abrasion

c)

Cutting marks

d)

Friction mark

54.

It is produced when surfaces slide across one another. The harder surface leaves scratch marks on the softer surface.

a)

Negative Impression

b)

Abrasion

c)

Cutting marks

d)

None of the given options

55.

It refers the pattern evidence made by track tires that often leave behind unique pattern. 

a)

Tool mark

b)

Tiremark

c)

Shoe mark

56.

It is formed when a shoe sinks a soft substance like snow or mud.

a)

Patent shoe print

b)

Plastic shoe print

c)

Latent shoe print

57.

It refers the mark made by outside surface of the sole of the shoe often found on the crime scene.

a)

Tool mark

b)

Tiremark

c)

Shoe mark

58.

This tool is used to gain leverage between two objects.

a)

Screwdrivers

b)

Prybars

c)

Pliers

d)

Chisels

59.

It is a bladed tools designed to compress material when struck.

a)

Screwdrivers

b)

Prybars

c)

Pliers

d)

Chisels

60.

This tool contains opposing jaws which grasp onto an object

a)

Screwdrivers

b)

Prybars

c)

Pliers

d)

Chisels

61.

Which of the following is the major primer element of ammunitions?

a)

Aluminum

b)

Calcium

c)

Potassium

d)

Antimony or Barium

e)

Sulfur

62.

Cartridge and primer cases of guns are usually made up of:

a)

Copper and Zinc

b)

Lead

c)

Antimony

d)

Iron allotw

63.

Triple-based gunpowder is made up of:

a)

nitrocellulose+diphenylamine

b)

nitrocellulose+nitroglycerine+Diphenylamine

c)

nitrocellulose+nitroguanadine

d)

nitrocellulose+nitroglycerine+nitroguanadine

64.

Burning of this powder yields:

2KNO3 +2O2+ S+C ---------------- CO2 +SO2+K2O2+2NO

a)

Black Powder

b)

Smokeless Powder

65.

Paraffin casting of alleged shooter should be done with in __________ from the time of the alleged shooting incident.

a)

42 hours

b)

24 hours

c)

72 hours

d)

27 hours

66.

Is a white translucent, tasteless odorless solid consisting of a mixture of solid of hydrocarbons that is used in determination of nitrates.

a)

Paraffin wax

b)

Diphenylamine

c)

Absorbent cotton

d)

Nitrates

67.

All of the following substances can give false positive result in paraffin test except?

a)

Fertilizers

b)

Explosives

c)

Tobacco

d)

Urine

e)

Alcohol

68.

The following may cause false negative result even a person has fired a gun except?

a)

Using of gloves

b)

Length of the barrel of the gun

c)

Direction of firing

d)

Wind direction

e)

Age of the person firing the gun

69.

One is more likely positive for gunpowder nitrates if there is no wind, or the wind direction is towards the shooter.

a)

TRUE

b)

FALSE

70.

Which of the following is evident on the wound of the victim if the muzzle of the gun is 1 to 2 inches away to the victim?

a)

Burning

b)

Singeing

c)

Smudging

d)

Tattooing

e)

None

71.

Which of the following is evident on the wound of the victim if the muzzle of the gun is 2 to 8 inches away to the victim?

a)

Burning

b)

Singeing

c)

Smudging

d)

Tattooing

e)

None

72.

Which of the following is evident on the wound of the victim if the muzzle of the gun is 8 to 18 inches away to the victim?

a)

Burning

b)

Singeing

c)

Smudging

d)

Tattooing

e)

None

73.

Single-based gunpowder is made up of:

a)

nitroglycerine

b)

nitrocellulose

c)

diphenylamine

d)

nitroguanadine

74.

Lead residue testing for the presence of gunshot residue has a detection limit up to:

a)

10 ft

b)

20 ft

c)

30 ft

d)

40 ft

75.

All are characteristics of entrance hole except:

a)

Entrance hole contains gunpowder residue and it is slightly burned

b)

The diameter of entrance hole is smaller than the exit hole

c)

Contact fires have uneven margins but all entrance holes typically have even margin

d)

Angled bullet entrance hole has perfect round hole

76.

This type of powder is consists of Cellulose or glycerol nitrate combined with some stabilizers like nitrobenzene or graphite nitrates, dichromate or oxalates.

a)

Black Powder

b)

Smokeless Powder

77.

A weapon of 2-inch barrel will deposit residue over a larger area than a weapon of 5 inch barrel (even if they are discharged from the same distance with the same type of ammunition).

a)

TRUE

b)

FALSE

78.

Complete combustion or the conversion of all nitrates into its end product is more likely to occur in a an old weapon compared to a new one, hence it is common to find nitrates when an new gun is used.

a)

TRUE

b)

FALSE

79.

More powder residues will be obtained when the gun is discharged pointing upward than downward.

a)

TRUE

b)

FALSE

80.

A hand discharging a revolver is more likely to give a positive result for gunpowder nitrates compared to that of a hand discharging a pistol.

a)

TRUE

b)

FALSE

81.

Zimmerman test for diazepam produces what color?

a)

pink

b)

violet

c)

yellow

d)

green

82.

Simon test for detection of ecstasy produces what color?

a)

pink

b)

violet

c)

yellow

d)

blue

83.

The effects of this dangerous drugs is characterized by: faster heartbeat, bloodshot eyes, dry mouth, chest pain, temporary loss of fertility and cancer.

a)

Marijuana

b)

Lysergic Acid Diethylamide

c)

Ecstasy

d)

Shabu

e)

Amphetamine

84.

It is the drug of choice for 90% of the Filipino drug users.

a)

Marijuana

b)

Lysergic Acid Diethylamide

c)

Ecstasy

d)

Shabu

e)

Amphetamine

85.

3,4-methylenedioxymethamphetamine, is most commonly known as

a)

Marijuana

b)

Lysergic Acid Diethylamide

c)

Ecstasy

d)

Shabu

e)

Amphetamine

86.

Long term use of this drug can lead to psychosis similar to schizophrenia, difficulty in concentrating and loss of interest in sex.

a)

Marijuana

b)

Lysergic Acid Diethylamide

c)

Ecstasy

d)

Shabu

e)

Amphetamine

87.

Which of the following is not a narcotic drug?

a)

Heroine

b)

Morphine

c)

Codeine

d)

Methamphetamine Hydrochloride

88.

Aka Lucy in the sky with diamonds

a)

Marijuana

b)

Lysergic Acid Diethylamide

c)

Ecstasy

d)

Shabu

e)

Amphetamine

89.

Physical effects of this drug are dilated pupils, flushed face, and increased blood pressure. It can also cause miscarriages and birth defects among pregnant women.

a)

Marijuana

b)

Lysergic Acid Diethylamide

c)

Ecstasy

d)

Shabu

e)

Amphetamine

90.

These are artificially produced substances, synthesized in the laboratory for the illicit market, which are almost wholly manufactured from chemical compounds in illicit laboratories.

a)

Natural Drugs

b)

Synthetic Drugs

c)

Designer drugs

d)

Narcotic Drugs

91.

These type of drug increases alertness of physical disposition.

a)

Stimulants

b)

Hallucinogen

c)

Depressants

d)

Inhalants

92.

This type of drug affects sensation, thinking, self-awareness and emotion and changes a person state of reality.

a)

Stimulants

b)

Hallucinogen

c)

Depressants

d)

Inhalants

93.

This method is used as screening test for dangerous drug using urine as sample/specimen.

a)

Gas chromatography

b)

Ultraviolet-visible spectroscopy

c)

Spectroscopy

d)

Fourier-Transform Infrared Spectroscopy

94.

A form of tampering wherein a specimen which has been derived through switching or replacement of the original sample.

a)

Adulteration

b)

Dilution

c)

Substitution

95.

A form of tampering wherein a urine specimen contains other substance that is not considered a normal constituent of urine.

a)

Adulteration

b)

Dilution

c)

Substitution

96.

Which of the following method is used as confirmatory for drug testing?

a)

Gas chromatography

b)

Marquis test

c)

Zimmermann Test

d)

Wagner test

97.

Which agency is responsible for the custody of all dangerous drugs, plant sources of dangerous drugs, controlled precursors and essential chemicals as well as instruments/paraphernalia and/or laboratory equipment that are confiscated, seized and/or surrendered.

a)

PDEA

b)

PNP

c)

DOJ

d)

Forensic Laboratory

98.

This type of dependence is characterized by the need of the drug in order to feel good, to get by or feel normal

a)

Physical

b)

Physiological

c)

Emotional

d)

Psychological

99.

Which of the following is classified as prohibited drug under RA 6425?

a)

Morphine

b)

Phenobarbital

c)

Amphetamine

d)

Alcohol

100.

Any non-medical use of drugs that cause physical, psychological, legal, economic, or social damage to the user or to people affected by the user's behavior.

a)

Medicinal Drug

b)

Dangerous Drugs

c)

Drug Abuse

d)

Herbal Drug