MMSC 220 EXAM 2 QUESTIONS WITH VERIFIED
ANSWERS
CSI effect - Answers - the influence that crime shows such as CSI have on the public's
perception of forensic science.
functions of a forensic scientist - Answers - Analysis of physical, Provide expert witness
testimony, provide training in recognition collection, preservation of evidence
hair analysis - Answers - comparison microscope, hair removal, hair damage
breath alcohol - Answers - infrared spectrometry using Intoxilyzer
2100 mL - Answers - ______________ of deep lung air contains same amount of
alcohol as 1 mL of blood
blood alcohol - Answers - dual column headspace gas chromatography
steven pennell - Answers - serial killer in the 1980s who killed many prostitutes in DE
fingerprinting - Answers - unique patterns made by friction ridges and furrows
ridges - Answers - raised part of the fingerprints
furrows - Answers - recessed part of the fingerprint
francis galton - Answers - published Finger Prints, discussing anatomy of fingerprints
and ways to record them and described minutiae
dermal papillae - Answers - boundary of cells separating the epidermis from the dermis
admissibility in court - Answers - fingerprints are permanent, persistent and are unique.
individuality based on minutiae.
8-16 - Answers - in Delaware, ________ number of ridge characteristics needed for a
match
no-point system - Answers - in other places, there is no minimum number of ridge
characteristics needed for a match
identical twins - Answers - different fingerprint patterns
, loop - Answers - contains radial loop and ulnar loop. flow from one side and back to the
same side, delta on opposite side. most common (60%)
whorl - Answers - plain, double loop, central pocket, accidental. looks like a bullseye.
second most common pattern (35%)
arches - Answers - plain and tented. least common (5%)
focal points - Answers - core and delta
minutiae - Answers - examples include: ridge ending, bifurcation, island/point/dot, lake,
opposed bifurcations and cross, bridge (crossover), double bifurcation and trifurcation,
and hook (spur)
AFIS - Answers - automated fingerprint identification system
patent prints - Answers - visible and plastic
latent prints - Answers - invisible to naked eye
detecting fingerprints - Answers - powders, super glue (cyanoacrylate) vapors, reflected
UV imaging system (RUVIS), other methods such as ninnydrin and laser light
preservation of prints - Answers - preserve, photograph, lift with adhesive tape, and
then scan and edit
Sir Alec Jeffreys - Answers - examined variable number tandem repeats (VNTRS) by
restriction fragment length polymorphism (RFLP)
sources of DNA evidence - Answers - blood, hair structure, bone structure, teeth
structure, other cell sources
blood - Answers - source of DNA evidence. found in white blood cells
hair structure - Answers - source of DNA evidence. found in medulla, cuticle, and
cortex. Nuclear DNA in root, mitochondrial DNA in shaft
bone structure - Answers - source of DNA evidence. found in osteocytes (most DNA
found within compact bone within these bone cells), osteoclasts and osteoblasts
teeth structure - Answers - source of DNA evidence. located in pulp.
extraction of DNA - Answers - cell and tissue disruption, lysis of membranes and
organelles, contamination, storage, using FTA cards for reference, chelex, semen
extraction methods - Answers - organic extraction used with phenol:chloroform
ANSWERS
CSI effect - Answers - the influence that crime shows such as CSI have on the public's
perception of forensic science.
functions of a forensic scientist - Answers - Analysis of physical, Provide expert witness
testimony, provide training in recognition collection, preservation of evidence
hair analysis - Answers - comparison microscope, hair removal, hair damage
breath alcohol - Answers - infrared spectrometry using Intoxilyzer
2100 mL - Answers - ______________ of deep lung air contains same amount of
alcohol as 1 mL of blood
blood alcohol - Answers - dual column headspace gas chromatography
steven pennell - Answers - serial killer in the 1980s who killed many prostitutes in DE
fingerprinting - Answers - unique patterns made by friction ridges and furrows
ridges - Answers - raised part of the fingerprints
furrows - Answers - recessed part of the fingerprint
francis galton - Answers - published Finger Prints, discussing anatomy of fingerprints
and ways to record them and described minutiae
dermal papillae - Answers - boundary of cells separating the epidermis from the dermis
admissibility in court - Answers - fingerprints are permanent, persistent and are unique.
individuality based on minutiae.
8-16 - Answers - in Delaware, ________ number of ridge characteristics needed for a
match
no-point system - Answers - in other places, there is no minimum number of ridge
characteristics needed for a match
identical twins - Answers - different fingerprint patterns
, loop - Answers - contains radial loop and ulnar loop. flow from one side and back to the
same side, delta on opposite side. most common (60%)
whorl - Answers - plain, double loop, central pocket, accidental. looks like a bullseye.
second most common pattern (35%)
arches - Answers - plain and tented. least common (5%)
focal points - Answers - core and delta
minutiae - Answers - examples include: ridge ending, bifurcation, island/point/dot, lake,
opposed bifurcations and cross, bridge (crossover), double bifurcation and trifurcation,
and hook (spur)
AFIS - Answers - automated fingerprint identification system
patent prints - Answers - visible and plastic
latent prints - Answers - invisible to naked eye
detecting fingerprints - Answers - powders, super glue (cyanoacrylate) vapors, reflected
UV imaging system (RUVIS), other methods such as ninnydrin and laser light
preservation of prints - Answers - preserve, photograph, lift with adhesive tape, and
then scan and edit
Sir Alec Jeffreys - Answers - examined variable number tandem repeats (VNTRS) by
restriction fragment length polymorphism (RFLP)
sources of DNA evidence - Answers - blood, hair structure, bone structure, teeth
structure, other cell sources
blood - Answers - source of DNA evidence. found in white blood cells
hair structure - Answers - source of DNA evidence. found in medulla, cuticle, and
cortex. Nuclear DNA in root, mitochondrial DNA in shaft
bone structure - Answers - source of DNA evidence. found in osteocytes (most DNA
found within compact bone within these bone cells), osteoclasts and osteoblasts
teeth structure - Answers - source of DNA evidence. located in pulp.
extraction of DNA - Answers - cell and tissue disruption, lysis of membranes and
organelles, contamination, storage, using FTA cards for reference, chelex, semen
extraction methods - Answers - organic extraction used with phenol:chloroform
