Module 5: Forensic Chemistry & Toxicology Flashcards

1
Q

What is Forensics Chemistry? Importance?

A

Application of Chemistry.
Identification of Unknown Substance; Linking suspects; Establish cause of death; Provide evidence, Accurate analysis

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2
Q

Paracelsus

A

The dose makes the poison

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3
Q

Methods in Forensic Chem

A
  • Spectroscopy- matter and light; mass spectroscopy (mass to charge ratio), energy-dispersive x-ray spectroscopy (used sa ballistics)
  • Chromatography - thin layer, column
  • Microscopy - compound, scanning electron microscopy
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4
Q

Factors affecting analysis results and interpretation

A
  • Variation in tolerance
  • Age and metabolism
  • Food and drugs
  • Medical condition
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5
Q

Commonly abused prescription drug:

A
  • Opiods and morphine: codeine
  • Depressants and sedative: sleeping pills, benziodiazepines
  • Stimulants: amphetamines
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6
Q

Illegal drugs

A
  • smoke marijuana we get so high
  • shabu
  • heroin
  • ecstasy
  • methadone
  • cocaine
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7
Q

Used to know alcohol content

A
  • Blood sample
  • Breath analyzer
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8
Q

RA 10586

A

0.05, NP; 0.01, P

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9
Q

Samples analyzed

A

blood, urine, liver, stomach, vitreous humour, bile, hair

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10
Q

Issue with dead body

A

no circulation

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11
Q

Challenges in Forensic Chem

A
  • Sample contam
  • Sample size
  • Limited techniques
  • Result interpretation
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12
Q

Sample cases mentioned

A
  • celebrities
  • Bohol incident
  • Tokhang
  • Janie Lou Gibbs
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