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Terms in this set (45)
A drop of blood that strikes a surface at an angle of impact of approximately 90 degrees will be close to (elliptical, circular) in shape.
Although databases are consistently updated so that scientists can assign probabilities to class evidence, for the most part, forensic scientists must rely on ______________ when interpreting the significance of class physical evidence.
Students studying forensic science must be cautioned that merely reading relevant textbooks and journals is no substitute for ______________ in this most practical of sciences.
The ______________ database allows firearm analysts to compare markings made by firearms on bullets that have been recovered from crime scenes.
The ______________ database contains chemical and color information pertaining to original automotive paints.
A(n) ______________ analysis subjects a suspect specimen and a standard/reference specimen to the same tests and examination in order to determine whether they have a common origin.
______________ is the frequency of occurrence of an event.
Evidence that can be traced to a common source with an extremely high degree of probability is said to possess ______________ characteristics.
Evidence associated with a group and not with a single source is said to possess ______________ characteristics.
The value of class physical evidence lies in its ability to ______________ events with data in a manner that is, as nearly as possible, free of human error and bias.
The ______________ accorded physical evidence during a trial is left entirely to the trier of fact.
The angle of impact of an individual bloodstain can be estimated using the ratio of _________ divided by _________.
______________ is the most common type of blood spatter found at a crime scene and is produced when an object forcefully contacts a source of blood.
The classification system of impact spatter is based on the size of drops resulting from the velocity of the blood drops produced, and patterns can be classified as _________, _________, or _________ impact spatter.
Low velocity; medium velocity; high velocity
The ______________ method is used at the crime scene to determine the area of origin for blood spatter.
Asphyxia encompasses a variety of conditions that involve interference with the intake of _______________.
The protein in red blood cells that transports oxygen is known as _______________.
Carbon monoxide levels and the presence of soot can be used to determine whether the individual was __________ at the time of the fire.
Victims of hangings often show signs of _______________ on the eyelids, cheeks, and forehead.
A(n) ______________ in its broadest definition is simply the examination of a body after death.
The autopsy consists of a(n) __________ examination and a(n) _________ examination.
The discharge from a firearm will produce characteristic markings on the skin known as _______________.
Stippling and tattooing
Pulmonary __________, or fluid accumulation in the lungs, is frequently found in victims of chronic cocaine and amphetamine abuse.
Although both a coroner and a forensic pathologist are charged with investigating a suspicious death, only the __________ is trained to perform an autopsy.
_______________ is the redistribution of drugs after death.
A body that displays a cherry-red discoloration often leads a pathologist to suspect poisoning by ______________.
The process of the body's continually decreasing in temperature after death until it reaches the environmental temperature is known as _______________.
The process of the blood settling in parts of the body closest to the ground after death is known as ______________.
Levels of _________ in the ocular fluid can help indicate the time of death.
After death, two decomposition processes take place: __________ and __________
The female bone structure differs from the male structure within the _________ area because of a woman' s child-bearing capabilities.
The field of ______________ takes advantage of the durable nature of bones over a long period of time to examine and identify human skeletal remains through a multitude of individual characteristics.
The study of insects and their relation to a criminal investigation, known as ______________, is commonly used to estimate the time of death when the circumstances surrounding the crime are unknown.
By determining the oldest stage of fly found on the body and taking environmental factors into consideration, entomologists can approximate the _______________ interval.
The primary objective of the autopsy is to determine the ______________.
Cause of death
A(n) __________-force injury can abrade and crush tissue.
Wounds on a victim's forearm may be __________ wounds.
True or False: A fingerprint can be positively identified through the IAFlS database.
True or False: Each bloodstain pattern found at a crime scene should be noted, studied, and photographed.
True or False: Harder and less porous surfaces result in less spatter, whereas rough surfaces result in stains with more spatter and serrated edges.
True or False: The direction of a flow pattern may show movements of objects or bodies while the flow was still in progress or after the blood had dried.
True or False: The liver can contain partially digested or dissolved pills.
True or False: The manner of death is defined as that which initiates the series of events ending in death.
True or False: The medical examiner is an elected official and is not required to possess a medical degree.
True or False: Typically the hyoid bone and thyroid cartilage are not fractured in hanging cases.
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