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biology 2 > Quizz 2 (lecture 2,3,4) > Flashcards

Quizz 2 (lecture 2,3,4) Flashcards

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1
Q

Mathieu Orfila (1787-1853)

A

Initiated analysis for the detection of poison & its effects

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2
Q

Alphonse Bertillion (1853-1914)

A

Anthropometry (using body measurements)

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3
Q

What will later replace Anthropometry?

A

fingerprinting

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4
Q

Francis Galton (1822-1911)

A

saw the importance of fingerprinting

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5
Q

Leone Lattes (1887-1954)

A

came up with a procedure for blood typing.

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6
Q

Calvin Goddard (1891-1955)

A

Used a microscope to determine the specific bullet fired by a specific gun.

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7
Q

Abert S.Osborn

A

Responsible for acceptance of documents as scientific evidence by the courts

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8
Q

Edmond Locard (1877-1966)

A

Contact between 2 surfaces= a transfer of material(s) will occur

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9
Q

Purpose of crime laboratories?

A

processing evidence

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10
Q

The 2 types of crime lab units

A

Standard & Optional

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11
Q

Physical Science examples

A

drugs, glass, paint, explosives, soil

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12
Q

Biological Sciences example

A

DNA/dried blood, hair, fibers

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13
Q

Pathologist

A

does autopsy

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14
Q

Serologist

A

study blood, biological fluids

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15
Q

Entomologist

A

study insects

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16
Q

Anthropologist

A

study bones

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17
Q

Odontologist

A

dentistry stuff

18
Q

Basic services

A

Firearms unit, document examination unit, photography unit

19
Q

Optional services

A

Toxicology unit, latent fingerprint unit, polygraph unit

20
Q

What’s a latent fingerprint

A

invisible fingerprint

21
Q

Polygraph

A

lie detector

22
Q

Gas Law formula

A

PV=nRT

23
Q

An Ideal Gas

A

not a true gas

24
Q

Real Gases

A

deviated by ideal gases

25
Q

The molar mass of a gas

A

n=mass/M

26
Q

Density is directly proportional to the molar mass at…

A

constant temperature and pressure

27
Q

Density is inversely proportional to absolute temperature at…

A

constant molar mass and pressure

28
Q

Dalton’s law

A

PV= (n nitrogen + n oxygen)RT

29
Q

What defines mass%, molarity & mole fraction or mole%

A

Concentration

30
Q

What is a crime scene?

A

location of the crime (primary, secondary and tertiary)

31
Q

The longer the interval between the crime and the investigation…

A

the less the scene resembles the original

32
Q

Who becomes part of the crime scene

A

investigator

33
Q

Types of evidence

A

Testimonial, physical, trace evidence and transient or conditional evidence

34
Q

Crime object

A

evidence from a crime scene

35
Q

Conduction the investigation

A

Review your role with the detective, help formulate the questions, determine what you are looking for, and consider what questions might have future relevance, formulate a plan, keep an open mind

36
Q

THE SEVEN S’s

A
  1. Secure the scene
  2. Separate the witnesses
  3. Scan the scene
  4. See the scene
  5. sketch the scene
  6. Search for evidence
  7. Secure and collect evidence
37
Q

A sketch should include…

A

measurements, symbols representing evidence, legend, scale, overall directions and positions

38
Q

Search methods

A

Line or strip, grid, zone, wheel, spiral method

39
Q

What are the recommended packaging materials for moist materials

A

wrapping paper, manila envelopes, or paper bags

40
Q

What does arson mean

A

purposely done crime

41
Q

Chain of custody

A
  1. Recording the location
  2. Marking it for identification
  3. The evidence should be carefully sealed in separate containers
  4. Properly completing evidence submission forms for laboratory analysis
42
Q

The chain of custody should include

A
  1. Date and time of transfer
  2. Location of transfer
  3. To/Form names
  4. Purpose of the transfer

biology 2 (2 decks)

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