14098190028 | What percentage has the innocence project found up to wrongful conviction cases resulted from flawed eyewitness testimony? | 87% | 0 | |
14098190029 | What is our ability to observe affected by? | The enviroment, and the natural filters of sensory details in our brain | 1 | |
14098190030 | What are the 5 types of evidence? | Physical - fingerprints Biological - DNA Trace - small amount of both physical and biological Class - broke down into categories Direct - DNA and fingerprint (individualized) | 2 | |
14098190031 | 3 parts of hair shaft | Medulla - middle part core Cuticle - out side part Cortex - inner part right out side of medulla | 3 | |
14098190032 | Proteins found in hair shaft | Keratin - makes of the hair and fingernails | 4 | |
14098190033 | Hair evidence has been used since what century? | 19th | 5 | |
14098190034 | Three stages of Hair development | Anagen (growth) Catagen (resting) Telogen (dormancy) | 6 | |
14098190035 | fibers are what type of evidence | class evidence | 7 | |
14098190036 | What ways are fibers gathered? | Tape, forceps, a vacuum, or a sticky lint roller | 8 | |
14098190037 | Two types of Fibers? | Natural - Cotton Synthetic - Man made | 9 | |
14098190038 | How may Fibers be analyzed? | Polarized light microscopy Infrared spectroscopy Burn tests Test for solubility | 10 | |
14098190039 | Type of Fingerprints? | Latent - not visible on unaided eye Plastic - Indentation Patent - visible | 11 | |
14098190040 | Characteristics of Fingerprints? | Loops, Arches, Whurls | 12 | |
14098190041 | When are fingerprints formed? | At about 10 weeks in the womb | 13 | |
14098190042 | Fingerprint Ridge | Lines on the FIngerprint | 14 | |
14098190043 | minuate | Breaks in the lines of fingerprints | 15 | |
14098190044 | Delta | Triangle piece in fingerprint | 16 | |
14098190045 | core | Center part of fingerprint | 17 | |
14099843356 | What can the characteristics of blood drops on surfaces show? | Direction of blood movement Location of source of blood Indicate the nature of the wound producing blood | 18 | |
14099843357 | Blood consists of? | Cellular components Plasma - containing dissolved ions, proteins, and other substances | 19 | |
14099843358 | Blood types result from what? | Presence of antigens on surface of red blood cells | 20 | |
14099843359 | What type of evidence is blood? | class evidence Direct ( only through white blood cells - which contains DNA) | 21 | |
14099843360 | What can investigators use to reveal hidden blood spatter? | Luminol | 22 | |
14099843361 | What has helped enhance detection of forged documents, increased quantitative analysis, and improved objectivity? | Technological advances - biometric signature pads, and infrared spectroscope | 23 | |
14099843362 | What type of evidence is Glass? | Class | 24 | |
14099843363 | How is density of an object measured? | It's mass divided by its volume | 25 | |
14099843364 | What side is larger the exit hole or the entry hole? (Bullet) | Exit Hole | 26 | |
14099843365 | What methods do Forensic Scientists use on Glass? | Fracture Matching Scanning electron microscopy of headlight filaments after collisions Use XRF ( X-Ray fluorescence) Also ICP-MS (inductively coupled plasma-mass spectrometry) | 27 | |
14099843366 | radial fracture | Side of glass opposite the point of impact | 28 | |
14099843367 | Concentric Fracture | Occur on side same as the point of impact | 29 | |
14099843368 | The Three Types of Impressions? | Patent - Visible Latent - Non visible without help Plastic - Indentation | 30 | |
14099843369 | Impressions are what type of evidence? | Class | 31 | |
14099843370 | Dental Impressions are what type of evidence? | Class ( depending on points of comparison ) | 32 | |
14099843371 | Types of tire impressions are? | Skid marks Yaw marks Scrubs | 33 | |
14099843372 | Three categories of tool marks? | Indentation marks Abrasion marks Cutting Marks | 34 | |
14099843373 | What organizations are establishing guidelines? | Scientific Working Groups and Organization of Scientific Area Committees | 35 |
Forensic science Flashcards
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