Barbituates - Answers Four main categories:
1. Ultra-short-acting - used to induce surgical anesthesia
2. Short-acting
3. Intermediate-acting - used as sedative-hypnotics
4. Long-acting
Butalbital - Answers Barbituate. Used in treatment of migraines.
Phenobarbital - Answers Barbituate. Used as anticonvulsant.
Pentobarbital - Answers Barbituate. Used to relieve intracranial pressure following trauma.
Atropine - Answers Belladonna Alkaloid. Derived from certain plants including jimson weed and
deadly nightshade. Used as a preanesthetic therapy to control airway secretions and as a
antispasmodic to control gastrointestinal spasms. Used as an antidote in the treatment of poisoning
by cholinesterase inhibitors. Also used in resuscitative attempts.
Toxic effects: mydriasis, hot dry reddened skin, delirium, and hallucinations.
Scopalamine - Answers Belladonna Alkaloid. Derived from jimson weed and henbane. Used as a
preanesthetic, treatment of Parkinsonism, gastrointestinal disorders, and prevention of motion
sickness.
Toxic effects: Blurred vision, dryness of throat, dilated pupils, somnolence, mydriasis, skin flushing,
hallucinations, and confusion.
Benzodiazepines - Answers Belladonna Alkaloid. Used as anxiolytics, antidepressants,
anticonvulsants, and as preoperative sedatives.
Common benzos: alprazolam, lorazepam, clonazepam, and diazepam.
Extensive hepatic metabolism.
Adult flies caught at the scene need to be properly stored to send to the lab. This involves - Answers
placing the flies in a glass vial containing 70% isopropyl alcohol.
Forensic scientists may use forensic entomology for all the following EXCEPT
A. estimate the duration of the post-mortem range (PMI).
B. detect drugs of abuse in maggot infested bodies.
C. detect the location of the body at the time of death.
D. collect DNA material left on the corpse in cases of sexual assault.
E. detect volatile hydrocarbons in fire deaths. - Answers detect volatile hydrocarbons in fire deaths.
Which of the following methods is the LEAST sensitive chromatographic technique
A. High-pressure liquid chromatograph (HPLC)
B. Liquid chromatography / Mass Spectrometry
C. Thin-layer chromatography
D. Gas chromatography / Mass Spectrometry
E. Gas chromatography - Answers Thin-layer chromatography
Which ONE of the following drugs is responsible for the most intentional overdose fatalities?
A. Barbiturates
B. Propoxyphene
C. Benzodiazepines
D. Tricyclic Antidepressants
E. Antihistamines - Answers Tricyclic Antidepressants
In scenes illuminated by bright sunlight, there will usually be dark shadow areas. Detail in the deep
shadow areas will be lost when the exposure is based on the overall brightness of the scene. The
brightness level in the shadow areas can be raised to the overall brightness of the scene by using
A. an alternate light source
B. ultraviolet fluorescence.
C. flash-fill photography.
D. an increased F-stop.
E. a restricted aperture. - Answers Flash-fill photography
Using an alternate light source, you can identify stains that may contain samples of
A. serum.
B. semen.
C. saliva.
D. urine.
, E. All of the above - Answers All of the above
When submitting tool mark evidence for examination, you should always
A. place the tool against the tool marked evidence.
B. make test cuts or impressions rather than submit the tool.
C. submit a cast of the tool mark.
D. refrain from collecting samples of any material deposited on the tools.
E. All of the above - Answers submit a cast of the tool mark
With regards to investigating a scene where firearms were used, which ONE of the following
statements is FALSE?
A. Bullet holes through doors can produce atypical entrance wounds.
B. The presence of spent cartridges at the scene suggests a semi-automatic assault rifle.
C. Fragments from intermediate targets can cause pseudo-stippling.
D. A spent cartridge at the scene is most suggestive of a revolver-type handgun.
E. Spent cartridges recovered at the scene can be analyzed by firearm experts. - Answers A spent
cartridge at the scene is most suggestive of a revolver-type handgun.
Which of the following is NOT a bullet fired by a handgun?
A. Semi-jacketed hollow point
B. Wad cutter
C. Buckshot
D. Full metal jacket
E. Lead round nose - Answers Buckshot
High-velocity blood spatter is most frequently associated with injuries due to
A. a gunshot wound, fall, or power tool.
B. a motor vehicle accident, gunshot wound, or fall.
C. a fall, blunt trauma, or motor vehicle accident.
D. a gunshot wound, power tool, or machinery.
E. blunt trauma, sharp force trauma, or fall. - Answers a gunshot wound, power tool, or machinery.
The "post-mortem examination" phase of a thorough death investigation should include all of the
following EXCEPT which ONE?
A. Consultation with a forensic odontologist upon finding a suspected bite mark.
B. Full-body X-rays on an infant death.
C. Toxicology requested for alcohol and drugs of abuse.
D. Retaining a DNA blood sample.
E. Submitting a normal kidney to a research laboratory upon lab request. - Answers Submitting a
normal kidney to a research laboratory upon lab request.
Your case file is subpoenaed by a local defense attorney. You have placed your investigative field
notes in the subpoenaed file. You must
A. turn over a complete copy of the case file as is.
B. purge the case file of all extraneous data (including notes) before you release it.
C. make a copy of and retain your notes before you release the original file.
D. make a second case file and retain it in your office.
E. start a second file. - Answers turn over a complete copy of the case file as is.
Documenting items collected during an investigation helps in
A. protecting the chain of custody.
B. training new investigators with hands-on experience.
C. allowing a walk-through of the scene to go more smoothly.
D. keeping the investigator busy with the scene, not allowing distraction.
E. making collection of evidence easier during Miranda. - Answers protecting the chain of custody.
You arrive at the scene and discover a body in advanced decomposition. Circumstantial evidence
obtained from the apartment manager suggests that the victim is middle-aged, has no criminal
record, is edentulous, and had a history of debilitating headaches. The body is severely decomposed,
with desiccated fingers, and cannot be visibly identified with a driver's license recovered at the scene.
What next step should you take to confirm the identification before releasing the body?
A. Contact the odontology consultant.
B. Attempt to obtain a facial reconstruction.
C. Examine clothing for name markings.
D. Contact local hospitals for radiographs for comparison.