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Barbituates - Correct Answers Four main categories:
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1. Ultra-short-acting - used to induce surgical anesthesia
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2. Short-acting
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3. Intermediate-acting - used as sedative-hypnotics
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4. Long-acting
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II! Butalbital - Correct Answers Barbituate. Used in treatment of migraines
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II! Phenobarbital - Correct Answers Barbituate. Used as anticonvulsant II! II! II! II! II! II! II! II! II! II! II!
II! Pentobarbital - Correct Answers Barbituate. Used to relieve intracranial pressure following
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II! Atropine - Correct Answers Belladonna Alkaloid.
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Derived from certain plants including jimsonweed and deadly nightshade. Used as a
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preanesthetic therapy to control airway secretions and as a antispasmodic to control
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gastrointestinal spasms. Used as an antidote in the treatment of poisoning by cholinesterase
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inhibitors. Also used in resuscitative attempts
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Toxic effects: mydriasis, hot dry reddened skin, delirium, and hallucinations
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II! Scopalamine - Correct Answers Belladonna Alkaloid. II! II! II! II! II! II! II! II! II! II!
,Derived from jimsonweed and henbane. Used as a preanesthetic, treatment of Parkinsonism,
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gastrointestinal disorders, and prevention of motion sickness
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Toxic effects: Blurred vision, dryness of throat, dilated pupils, somnolence, mydriasis, skin
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flushing, hallucinations, and confusion
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II! Benzodiazepines - Correct Answers Belladonna Alkaloid. II! II! II! II! II! II! II! II! II! II!
Used as anxiolytics, antidepressants, anticonvulsants, and as preoperative sedatives
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Common benzos: alprazolam, lorazepam, clonazepam, and diazepam
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Extensive hepatic metabolism II! II!
II! Adult flies caught at the scene need to be properly stored to send to the lab. This involves: -
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II! Correct Answers Placing the flies in a glass vial containing 70% isopropyl alcohol
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II! Forensic scientists may use forensic entomology for all the following EXCEPT:
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a. Estimate the duration of the postmortem range (PMI)
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b. Detect drugs of abuse in maggot infested bodies
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c. Detect the location of the body at the time of death
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d. Collect DNA material left on the corpse in cases of sexual assault
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e. Detect volatile hydrocarbons in fire death - Correct Answers e. Detect volatile hydrocarbons in
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fire death
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II! Which of the following methods is the LEAST sensitive chromatographic technique:
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a. High-pressure liquid chromatograph (HPLC)
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b. Liquid chromatography/Mass spectrometry
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c. Thin-layer chromatography
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d. Gas chromatography/Mass spectrometry
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e. Gas chromatography - Correct Answers c. Thin-layer chromatography
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, II! Which ONE of the following drugs is responsible for the most intentional overdose fatalities?:
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a. Barbiturates
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b. Propoxyphene
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c. Benzodiazepines
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d. Tricyclic Antidepressants
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e. Antihistamines - Correct Answers d. Tricyclic Antidepressants
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II! In scenes illuminated by bright sunlight, there will usually be dark shadow areas. Detail in the
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II! deep shadow areas will be lost when the exposure is based on the overall brightness of the scene.
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II! The brightness level in the shadow areas can be raised to the overall brightness of the scene by
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a. An alternate light source
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b. Ultraviolet fluorescence
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c. Flash-fill photography
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d. An increased F-stop
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e. A restricted aperture - Correct Answers c. Flash-fill photography
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II! Using an alternate light source, you can identify stains that may contain samples of:
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a. SerumII!
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c. Saliva
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e. All of the above - Correct Answers e. All of the above
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II! When submitting tool mark evidence for examination, you should always:
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a. Place the tool against the tool marked evidence
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