forensic science Flashcards

1
Q

also known as
criminalistics, is the application
of science principles and
methods to support legal
decision-making in matters of
criminal and civil law.

A

Forensic science

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2
Q

The application of scientific methods
to the recognition, collection,
identification, and comparison of
physical evidence generated by
criminal or illegal civil activity.

A

criminalistics

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3
Q

a subspecialty of pathology that
investigates non-natural or
suspicious deaths, often referred
to as reportable deaths

A

FORENSIC PATHOLOGY

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4
Q

physicians who
investigate these unexpected, suspicious, and
unnatural deaths, typically by performing
autopsies.
FORENSIC PATHOLOGY

A

Forensic Pathologist

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4
Q

Involves applying
skeletal analysis and techniques in archaeology to
solving criminal cases

A

FORENSIC ANTHROPOLOGY

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4
Q

determines the cause and
manner of death in cases where
the death occurred under
suspicious or unknown
circumstances

A

FORENSIC PATHOLOGY

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5
Q

involves the handling, examination, and evaluation of dental evidence in a
criminal justice context.

A

FORENSIC ODONOTOLOGY

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6
Q

what does a forensic odontologist do?

A
  • analyze and observe evidence
  • attend accident or crime scene
  • collect evidence
  • attend autopsies
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7
Q

the investigation of property loss and
injuries related to failure in materials,
components, design and structures.
These can be minor incidents, such as a crankshaft breaking, or catastrophic
events, such as a bridge collapse.

A

forensic engineering

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8
Q

Contribute to legal debates by applying
scientific methods to the investigation of legal problems

A

FORENSIC SCIENTIST

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9
Q

The application of the study of blood, semen,
saliva and other body fluids, to legal matters

A

FORENSIC SEROLOGY

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10
Q

they serve as frontline
workers at the scene of a disaster or crime.

A

FORENSIC SCIENTIST

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11
Q

Health care providers in this field include
doctors, dentists and toxicologists

A

FORENSIC SCIENTIST

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11
Q

2 Types of Test for Serological Analysis:

A

Presumptive Test
ConfirmatoryTest

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12
Q

The field generally is comprised of the
detection of enzymes and antigens, as in the
identification of seminal stains or blood typing
(ABO and secretor status) and DNA typing.

A

FORENSIC SEROLOGY

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13
Q

It is done to see if a substance might be a particular body fluid. This is critical because not all fluids are
biological or relevant.

A

Presumptive Test

14
Q

which tests positive for the substance in question and only that substance.

A

Confirmatory Test

14
Q

highly sensitive to but not specific for a particular substance

A

Presumptive Test

15
Q

A substance that may be blood is swabbed with ethanol; a drop of _____ reagent (typically a form of phenolphthalein) is applied followed by a drop of hydrogen peroxide.

A

Kastle-Meyer test

16
Q

If the substance is blood the swab color should turn into

A

bright pink color

17
Q

A substance that may be blood is swabbed with ethanol or distilled water. A drop of _____ reagent is applied followed by a drop of hydrogen peroxide.

A

Leucomalachite green

18
Q

If the substance is blood the swab color should turn into

A

blue green color

19
Q

made up and typically sprayed around
the crime scene where blood is suspected. The area needs to be darkened since luminol will
fluoresce blue if it contacts blood

A

luminol solution

20
Q

particularly useful when blood is not visible to the naked eye. This chemical will pick up even trace amounts after someone has tried to clean up the
scene

A

luminol solution

21
Q

The most commonly used catalytic color tests are:

A
  • phenolphthalein
  • benzidine
  • leucomalachite green
  • tetramethylbenzidine
22
Q

Takayama test also known as

A

hemochromogen test

23
Q

utilizes the formation of crystals through the application of heat and testing chemicals

A

Takayama test

24
Q

very sensitive and even very old bloodstains may give a
positive reaction

A

Takayama test

25
Q

TEST FOR SPECIES ORIGIN

A

Diffusion reaction test
Electrophoresis methods

26
Q

based on an antibody-antigen reaction between human blood and human anti-serum.

A

Ouchterlony test

27
Q

based on the diffusion of antibodies and antigens on an electrically charged gel-coated
plate

A

Electrophoresis methods

28
Q

being supplanted by the HematraceTM card, where a positive
test is indicated by a color change

A

Ouchterlony test

29
Q

A suspected sample is swabbed onto filter paper. A reagent is applied, nd if
semen is present, there will be a purple color change on the paper.

A

Acid phosphatase test

30
Q

At a crime scene where semen is suspected of not being visible, a room may be darkened, and a UV light applied to surfaces.

A

UV Light test

31
Q

is the most common test for semen. It is applied
to the sample on an alphanaphthyl phosphate substrate

A

Brentamine Fast Blue B

32
Q

traditional method for sperm
identification is to use the

A

Christmas tree
stain