Forensics Test Flashcards

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1
Q

Define Forensic Science

A

The application of scientific methods and techniques to matters under investigation by a court of law.

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2
Q

Where does a Forensic Scientist
generally work?

A

Depends on their area of forensic science, however often a Crime scene, lab or morgue.

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3
Q

What is the role of a Forensic Scientist in solving a crime?

A

The forensic scientist’s role is to discover forensic evidence which helps identify either the criminals, victims or other important factors relating to a crime. (such as weapon used or where a poison was made)

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4
Q

Name the different Types of Forensic Science

A

Forensic Toxicology, Anthropology, Ballistics, Serology, Psychology, Entomology, Odontology and Dactylology.

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5
Q

What is Forensic Toxicology?

A

The study of poison, drugs, steroids, alcohol etc.

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6
Q

What is Forensic Anthropology?

A

The study of bones

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7
Q

What is Forensic Ballistics?

A

The study of weapons such as
bombs, guns, knives, bullets, spears.

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8
Q

What is Forensic Serology?

A

The study of blood, DNA, semen, body fluids etc.

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9
Q

What is Forensic Psychology?

A

The study of emotions, profiles, mental state etc.

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10
Q

What is Forensic Entomology?

A

The study of Insects.

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11
Q

What is Forensic Odontology?

A

The study of teeth (Dentistry)

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12
Q

What is Forensic Dactylology?

A

The study of fingers and toes, fingerprints.

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13
Q

What is Lochard’s Exchange Principle?

A

It is that “with contact between two items, there will be an exchange” - the perpetrator of a crime will bring something into the crime scene and leave with something.

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14
Q

What is Direct Evidence?

A

Direct evidence directly links a person to a crime or proves a fact.

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15
Q

What is Circumstantial Evidence?

A

Circumstantial evidence is evidence that fits the circumstance of a crime scene but has not been proved true by first hand accounts/ evidence.

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16
Q

What is scientific Inference?

A

Scientific Inference if when you take the best and mostlikely outcome from the evidence available.

17
Q

What is Volar?

A

Special skin located on fingers and feet.

18
Q

What is Urea?

A

The liquid that comes off your fingertips.

19
Q

What are the 3 different types of fingerprints?

A

Arch, Loop and Whorl.

20
Q

What are minutiae?

A

Different patterns found on fingerprints. (Eg: Core, Spur, Island, Delta, Fork, Ending Ridge etc)

21
Q

What is the cuticle?

A

The outer layer of a hair.

22
Q

What is the Cortex?

A

The middle layer of a hair.

23
Q

What is the Medulla?

A

The inner most layer of a hair. Is either Continous, Interrupted or Fragmented.

24
Q

What is the Folicle?

A

The outside of the root.

25
Q

What is the root?

A

The end of a hair that is embedded in the skin, easiest place to collect DNA from out of the hair.

26
Q

What is Melanin?

A

The pigment that determines hair colour.

27
Q

True or false, curly hair has an oval cross section and straight hair has a circular cross section.

A

True.

28
Q

What protein is hair made of?

A

Keratin

29
Q

Define Rigor Mortis

A

The stiffening of muscles and body after death.

30
Q

Define Livor Mortis

A

The pooling of blood after death.

31
Q

How many degrees does your body temp lose after death?

A

2.7degrees per hour.

32
Q

Name 5 different types of Trademarks.

A

Symbols, Words, Names, Designs, Slogans, Songs, Flags, Money etc.

33
Q

True or false, Counterfeiting is NOT a large business.

A

False, it is one of the largest crimes in the world. Especially as drugs are often found with it.

34
Q

How can you spot fakes?

A

Through smell, stitching, colour, material, logo etc.

35
Q

What do you use to analyse handwriting?

A

Letter formation, Slope Comparison, Spacing, Bottom of letter comparison, Top of letter comparison.

36
Q

Name the three different parts of the bone.

A

Compact bone, Spongy bone and Bone marrow.

37
Q

What does Bone Marrow do?

A

Produce Red blood cells.

38
Q

What is Trace Evidence?

A

Trace evidence is the name for evidence that is transferred when two objects touch or when small particles are disbursed by an action or movement. This type of evidence is usually not visible to the eye and requires specific tools and techniques to be obtained