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the first officer arriving at a crime scene, after providing or obtaining medical assistance for the injured and effecting an arrest of suspects (if possible), should immediately:

secure the scene

the most basic methods of crime scene recording include all of the following EXCEPT:

infrared analysis

if the crime scene includes a dead body, the photographer should:

depict injuries and weapons at scene

a rough sketch need NOT include

compass heading designated north

bite marks would be LEAST likely to be found in cases involving:

arson

which statement about note taking is NOT true?

note taking is done after all crime scene processing has been completed

typically, about an hour after death, the a deceased body loses heat at a rate of approximately_____ until the body reaches the environmental temperature

1-1 1/2 C per hour

physical evidence at a hit and run scene could include:

glass fiber, fabric impressions, paint chips, and fiber and tissues

forensic science is the application of science to:

both criminal and civil law

charred debris from an arson scene should be?

packaged in air tight glass jar.

forensic databases are maintained for all of the following except:

dental impressions

the successful outcome of a criminal investigation is almost always directly related to:

the number of people employed in the crime lab

a properly maintained chain of custody is NOT the responsibility of the:

trail judge

success in the recognition and collection of physical evidence is determined primarily by the:

?

to determine the gender of skeletal remains, a forensic anthropologist can examine all of the following area of the skeleton except:

vertebrae

a corpse was discovered in an apartment last november. it was hat of 50 year old male who died of a heart attack. at the time of discovery, the body temperature was determined to be 89 F. what is the most probable post mortem interval

7 hours

the stage of fusion of various bones within a skeleton can be used to estimate the _____ of the decedent

age

according to forensic entomologists, which "witness" is the first to arrive at the crime scene?

blow fly

if a cause of death cannot be found through simple observation of the victim a ____ is typically carried out.

autopsy

which of the following items is likely to contain DNA evidence?

a bedsheet

evidence of tampering with the position of a body after death can be obtained by evaluating the:

livor mortis

investigators should collect possible carriers of trace evidence which may include:

vacuum sweepings, clothing, vehicles and fingernail scrapings

the crime scene notes must accurately record:

the tasks assigned each investigator, personnel arrivals and departures from the scene, and descriptions of evidence present at the crime scene.

a forensic anthropologist may help to create a ____ to help with the identification of the victim.

facial reconstruction

estimations of the postmortem interval (PMI0 using entomological evidence must take into account:

the species of insect present, geographical location of the decedents body, the locations climate over time and weather conditions

forensic pathologist

is the scientist who studies how the person dies, the scientist takes down the notes, sketches, and take the photo

forensic entomologist

studies how long the blow fly got to the dead body and the time of the death. they also can tell when the blow fly landed on the body

forensic anthropologist

are the scientists who help re create the facial structure of the victim

PMI

paint manufactured impressions

NIBIN

national identification bureau index network

CODIS

combined DNA index system

DNA

deoxyribonucleic acid

PDQ

Paint DNA quary

FBI

fedural burea investigation

ME

manufactured evidence

antibodies are found

in the blood serum

in the united states, the rarest blood type:

AB

the clumping together of red blood cells by the action of an antibody is known as:

agglutination

the D antigen is also known as the ____ antigen

Rh

to determine whether a bloodstain is of human or animal origin, the serologist will perform:

a precipitin test

a gene pair made up of two similar alleles- for example, AA and AB is said to be:

homozygous

____transport oxygen from the lungs to the body tissues and carry carbon dioxide back to the lungs.

red blood cells

evidence to substantiate that a rape occurred could include:

physicial injuries, blood and semen, hairs and fibers

an individual whois type O has:

both A and B antibodies

what sex do the XX alleles represent?

mother

the base unit of heredity is the

gene

type A individuals have ___ antigens on the surface of their red blood cells

A antigens

how many pairs of chromosomes in a human cell?

23 chromosomes

what element is needed to make hemoglobin

iron

what is the correct term for red blood cells?

eurtyhrocyte

what is the main function of platelets

they make a scab

what is the main role of a white blood cells?

fight off diseases

what blood group is known as the universal blood donor?

type O

genes are positioned on theard like bodies called

chromosomes

which is NOT an effect of marijuana

decrease in appetite for sweets

forensic databases are maintained for all of the following except?

dental impressions

what is true about the "club drug" Rohypnol?

it can cause drowsiness, dizziness, and loss of consciousness, it is odorless, colorless and tasteless, it results in loos of memory of what happened in the hours after ingestion, it is enhanced when combined with alcohol.

Bullet Casing

NIBIN

Shoe Print

SICAR

define oligospermia

is when the male has a lack of sperm cells

define a gene

is the basic unit of heredity

define a chromosome

is when genes are placed on top of a thread like body. Chromosomes are found in the locus

define an allele

is if you have similar gene pairs

define plasma

is the fluid of unclothed cells

define an antigen

is the type of blood that you have, so you can have A antigen, B antigen, O antigen and AB antigen

Forensic science is the application of science to:

both criminal and civil law

who is known as the "father of forensic toxicology"

Orfilia

who developed the system known as anthropometry

Bertilion

who undertook the first definitive study of fingerprints as a method of personal identification?

Galton

who devised a technique for determining the blood group of a dried bloodstain, which he applied to criminal investigations?

Lattes

the ____ unit applies principles and techniques of chemistry, physics, and geology to the identification and comparison of crime scene evidence

physical science

who postulated the exchange of evidence principle?

Locard

which of the following can be rightfully cited as an explanation for the rapid growth of crime labs during the last 25 years?

advent of DNA profiling, increase in drug related arrests, staggering increase in crime rates in the united states, supreme court decisions in the 1960's

which entity maintains the largest crime laboratory in the world?

FBI

which would not be included in the work of the biology unit of a crime lab

fingerprint analysis

the concept of "general acceptance" of scientific evidence relates to the:

Frye standard

in the case of Daubert v Merrell Dow Pharmaceutical, Inc., the U.S. Supreme Court advocated that a "gatekeeper" determine the admissibility and reliability of scientific evidence. this gatekeeper is the:

trial judge

the final evaluator of forensic evidence is the:

jury

bite marks would be LEAST likely to be found in cases involving

arson

forensic odontology refers to the study of:

teeth

DEA

Drug Enforcement Agency

CSI

Crime Scene Investigation

CIA

Central intellange agency

List the four crime labs set up by the federal governments

FBI, US Postal Inspection Agency, DEA, , Burea of Alcohol, Tobacco, Firearms

the periodic table is a:

chart listing by name and symbol of all the known elements

sublimation is defined as a change of state from:

solid to gas

what is the boiling point of water in Kelvin

373

forensic database are maintained for all of the following except:

dental impressions

the rate of cooling of a dead body can be influenced by all BUT the:

genes of victim

the density of liquids is _____ the density of gases.

greater than

the smallest particle of an element that can exist and still retain its identity as that element is the:

atom

the computerized database used to store DNA information is:

CODIS

which unit has the responsibility for the examination of body fluids and organs for the presence of drugs and poisons?

toxicology unit

define element

an element is a chemical that has a name. for example O is an element and its chemical name is oxygen.

define matter

matter is anything that has max and takes up space

what is a compound and give one example?

a compound has more than two elements in it. for example CO2 is carbon dioxide which has carbon and oxygen

what is physical property

physical property is when you change its property but not in chemical way.

what is dry ice?

is a example of sublimation

what is weight?

weight is how much mass that the object has

Group 1

aliaki metals

Group 2

aliaki earth metals

Group 17

halogens

Group 18

nobel gases

what are the three particles found in an atom?

neutrons, protons, electrons

what is the atomic number?

the atomic number is the number of protons and neutrons in the atom.

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