Forensic Chemistry – Flashcards
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Unlock answersWhat is Forensic Chemistry? |
applied analytical chemistry and exists where science and the law overlap |
What precedent did the Frye hearing set? |
Ruled that analysis has to be:
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What are issues that arise with the Frye ruling? |
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What precedent did the Daubert hearings set? |
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True or False: Hearsay is admissable in federal court |
True |
What are the different phases of the pre-trial process? |
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What exactly is the complaint? (pre-trial) |
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What are Affirmative Defenses? (pre-trial) |
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What is Discovery? (pre-trial) |
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What is the Chain of Custody? (pre-trial) |
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The Expert Report (pre-trial) |
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Deposition (pre-trial) |
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What is Brady material? |
exculpatory or impeaching info that is material to the guilt or innocence or to the punishment of a defendant... |
What are important features of the Deposition Process? |
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Subpoena Duces Tecum (Deposition process) |
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Setting (deposition process) |
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Questions (deposition process) |
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What are some strategies that the opposing attorney may utilize during the deposition process? |
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Impeachment (deposition) |
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Daubert challenge (deposition) |
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Background (deposition) |
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Character/Bias (deposition) |
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Fencing/"Freezing" (deposition) |
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During a Daubert Hearing, what entity ultimately decides on admissibility? |
The Judge |
What role does peer review play in science and in the law? |
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Is the analysis of drugs using instruments such as mass spectrometers and infrared spectrometry based on comparison? |
Yes, Ids are made by comparing data to that stored in a library |
True or False: Analysts are accredited, labs are certified |
False: Labs are accredited and analysts are certified |
Who certifies analysts? |
The American Academy of Forensic Sciences (AAFS) |
Who accredits labs? |
the Amercian Association of Crime Lab Directors Lab Accreditation Board (ASCLD-LAB) |
What are the objectives of the ASCLD-LAB? |
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What is the NUSAP approach? |
N-Number, U-Units, S-Spread, A-Assessment, P-Pedigree |
What are the different types of errors? |
Stat perspective- type I (null hypothesis wrongly rejected), type II (null hypothesis wrongly accepted) Forensic perspective- False negative, false positive |
What are the two conditions that must be met to effect a separation based on partitioning between two phases? |
First-exploitable difference in physical props must exist between analyte and matrix Second-equilibrium condition between the two phases |
What is a drug? |
a substance tha, when ingested, is capable of inducing a physiological change. |
What are the different modes of ingestion?(drug) |
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True or False: All drugs are toxic |
True: dose differentiates a therapeutic drug from a poison |
What are the different ways drugs are classified? |
Origin, General effect, |
What are the natural products? (drug classification) |
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What are the semi-synthetics? (drug classification) |
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What are synthetics? (drug classification) |
Diazepam |
What are the different general effects? (drug classification) |
Analgesics, Depressants, Hallucinogens, Narcotics, Stimulants |
What are the different types of analgesics and how do they work? |
Aspirin-NSAID, stops pain by reducing fever and inflammation. Morphine(; other opiates)-blocks transmission at the CNS of nerve impulses that relay the sensation of pain to the brain |
What are the different types of depressants and how do they work? |
-Depress functions of the CNS, promotion of sleep
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What are the hallucinogens and how do they work? |