IAI Prep Course exam Questions and answers updated

IAI Prep Course exam Questions and answers updated The word photography - ANSWERS 2 Greek words - phos(light) and graphia(wiriting or drawing) Composition satisfies 2 goals - ANSWERS 1) shows the primary subject most effectively 2) the viewpoint that excludes as many irrelevant items and areas surrounding the primary subject Deliberate and purposeful Composition - ANSWERS Required for any successful crime scene photographs Composition = - ANSWERS Intentional choosing of the image's elements. Most important and hardest part of crime scene photography - ANSWERS Composition Four issues to consider before pressing the shutter button - ANSWERS 1) the primary subject should be determined 2) determine proper exposure 3) optimal focusing technique should be selected 4) the lighting should be determined Cardinal rules for crime scene photography - ANSWERS 1) fill the frame 2) maximize depth of field 3) keep the film plane parallel Cardinal rule #1 - ANSWERS Fill the frame (get close to the primary subject, put as many pixel sensors over the subject, get closer to eliminate unwanted/unneeded areas/objects) Aerial photography - ANSWERS Needs shutter speed of 1/500 or 1/1000 of a second, may also need haze filter due to height Accurate color capture - ANSWERS Must use daylight from 10am to 3pm or use electronic flash Airbrushing - ANSWERS 1879 by Abner Peeler Airbrushing patent - ANSWERS 1893 to Charles Burdick ALS settings for fluids/biologicals - ANSWERS 365-415nm ALS setting for blood - ANSWERS 455-485nm ALS setting for bites/bruises - ANSWERS 415-485nm ALS setting for documents - ANSWERS 570-700nm Altered lighting - ANSWERS Done by adding flash to light the scene or create shadows over part or all of the scene Aperture - ANSWERS Variable size of lens opening Aperture priority mode - ANSWERS Operator selects f/stop and camera does shutter speed Automated refractive index system - ANSWERS Glass Barrel distortion - ANSWERS Wide angle lens, sides of building bow out like barrel Bit - ANSWERS Smallest amount of digital memory Blooming - ANSWERS Additional electrical charges to each pixel causing overexposure Burning - ANSWERS Fix overexposure Comparison photos - ANSWERS ISO 100 Complementary colors - ANSWERS Red/green, purple/yellow, orange/blue Composition - ANSWERS Hardest part of crime scene photography Contrast - ANSWERS Differences in light/dark areas of photo Crime scene analysis - ANSWERS Hans Gross - 1900 luke may - 1933 dr Paul Kirk - 1953 Crime scene hazards - ANSWERS Biological, structural, chemical, bio-chemical, explosive, and inhalation Crime scene photo - ANSWERS 50mm lens Crime scene search patterns - ANSWERS Circle, strip(line), grid, zone, point to point Cure for "dirty snow" – ANSWERS What is the abbreviation of LASER? - ANSWERS light amplification by stimulated emission of radiation Who is S. K. Chatterjee? - ANSWERS Coined the term edgeoscopy and was the creator of one of the major foot classification systems. The highest densities of which major gland responsible for secretion of "sweat" are found in the palms and soles of feet? - ANSWERS Eccrine Iodine fumes are absorbed by what fingerprint residue? - ANSWERS Unsaturated fatty acids Skin is usually divided into how many distinct layers? - ANSWERS Two layers What is the simplest/most commonly used procedure for latent print development? - ANSWERS Powder 3 things volar pads influence: - ANSWERS overall pattern flow, localized pattern configuration, and localized pattern trend of friction ridges How many records were in the original collection of fingerprint records at the FBI Identification? - ANSWERS 810,188 The tubular shaped structure with a