FIVS 205 Exam 3

Which is the appropriate written version of the scientific name for the common sexton beetle?

Nicrophorus vespilloides

Insects breath through openings on their body surface called _________.

Spiracles

What insect is the "basic" model for insect anatomy?

Grasshopper

Insects are found in which kingdom?

Animalia

Organisms that produce eggs are known as ____________.

Oviparous

____ is one of the most important factors impacting insect development, according to your reading.

Temperature

................ is a branch of zoology that deals with insects.

Entomology

............................. insects feed specifically on decaying flesh.

Sarcosaprophagous

The term "trophic" means having to do with the process of_______.

Nutrition

How many legs to insects have?

6

What type of forgery is where an individual does not attempt to copy the victim's signature of writing?

Normal hand forgeries

If a forger attempts to make the letters and connecting strokes correct and pays less attention to speed of the signature what characteristic will suffer?

Line quality

What will a tracing poorly reveal?

Line quality

"In one of the early cases of questioned document analysis, William Henry Ireland forged and attempted to pass off as authentic the handwritten work of what famous playwright? "

Shakespeare

____________is credited with starting the forensic field of questioned documents.

Albert Osborn

What is the term for an area of translucent design on paper?

Watermark

What is the analysis technique used for inks in which a portion of the suspect ink is separated from the paper using a solvent and is separated into bands of color as they migrate up the plate?

Thin layer chromatography

Who is the field of questioned documents credited to?

Albert Osborn

What are the marks left on photocopies caused from dirt, scratches, etc left on the surface of the drum, cover, glass plate, or camera lens of a photocopy machine?

Trash marks

"If a pen moves overhand or clockwise, it is referred to as ............. movement."

Garland

What species is known as the hairy maggot blowfly?

Chrysomya rufifacies

"If a mortician does not follow the rules and the body is colonized by insects, it is known as .................. ................."

Mortuary neglect

Myiasis is commonly called ......... ...........

Fly strike

What is the term we use in entomology for anal to mouth feeding?

Proctodeal

"In the United States alone, approximately 9 ____ dollars will be spent each year combating flea infestations."

Billion

Blood feeding maggots produce a type of myiasis that is called _____________.

Sanguinivorous

The word synanthropic means associated with:

Humans

What is the most common beetle infesting stored products?

Biscuit beetle

The scientific name for the largest and one of the most common cockroaches in Texas is ............... ...............

Periplaneta americana

______________ is a human or animal disease where fly larvae feed on necrotic or living tissues of living animals.

Myiasis

What characteristic makes feeding insects useful in drug analysis?

They are alive

What sex of flies are attracted to a carcass in order for its genitalia to develop?

Both male and female

In what cases may the exclusion of insects be seen?

a. Burial

b. Wrapping

c. Frozen after death

d. All of the above

d. All of the above

"After how many hours are most of the biological changes, typically used to estimate time of death completed?"

24-48 hours

What are the first insects usually attracted to remains?

Flies

What is a female fly's only maternal concern?

Locate most optimum location

The infestation of living human or other vertebrate animals with dipteran larvae is termed what?

Myiasis

For what reasons is estimating time of death important?

a. All of the above

b. Humanitarian reasons

c. Success of investigation

d. Legal implications

a. All of the above

Where will the insects come from when a body was found at a dump site versus its original kill site?

a. Death site only

b. Dump site only

c. Both A and B

d. Neither

c. Both A and B

What term is defined as the study of insects?

Entomology

What location on the body do flies prefer to lay their eggs to increase change of success of the offspring?

Wound

How is a fly quickly attracted to a dead body?

Odors

"Beetles feeding during the dry stage of decomposition produce characteristic long, rope-like excrement called ________"

Frass

"Maggots will migrate away from the body, burrow in the soil, and become .............."

Pupae

What insect's predictable development is used to in estimating elapsed time since death?

Larval diptera

"According to your reading, which fly is most common during stage #4 of decomposition: butyric fermentation? "

Cheese flies

Blending waves of arthorpods that colonize decomposing bodies are called:

Seres

Which of these temperatures would cause insects to develop the quickest?

37 C

In the US where do we get official weather data for our time of colonization calculations?

NOAA

How many instars does the typical Calliphoridae have?

3

What can be defined as a unit of heat time: the total number of degrees of heat above a lower threshold, accumulated in one 24-hour period.

Degree days

The temperature below which insects stop developing is called the ____________ temperature.

Threshold

What is metabolism?

Chemical processes within a living organism that are necessary to maintain life

What does TOC stand for in forensic entomology?

Time of Colonization

You see a Calliphoridae maggot with posterior spiracles with three spiracular slits. What instar is it in?

Third

How do we know how many hours at a particular temperature it takes a blow fly to develop?

Through experiment

According to your reading, insects are _______________, meaning they have internal body temperatures that vary with the outside temperatures.

Poikilothermic

"One of the biggest challenges we face in wildlife forensics is maintaining a secure___________, since evidence is often analyzed by private or public institutions. "

Chain of custody

Which country was the last to sign the Migratory Bird Act?

Japan

Which of the following is a function of the Criminalistics Unit of the National Fish and Wildlife Forensics Laboratory?

Analyze the insects collected at the scene

Which sort of national and international laws were NOT established at the beginning of the twentieth century?

Make sure people eat more delicious animals

In what year was the Marine Mammal Protection Act passed?

1972

Which of the following is NOT one of the most significant pieces of legislation in terms of wildlife forensics cases in the United States?

a. The Marine Mammal Protection Act

b. The Migratory Bird Treaty Act

c. The Lacey Act

d. The Endagered Species Act

e. The Starling Trade Convention

e. The Starling Trade Convention

Which of the following products or acts is NOT prohibited under the initial Lacey Act?

Foreign commers in illegally obtained wildlife

When were federal funds allocated to construct a dedicated laboratory for forensic wildlife investigations?

1989

Which section of the American Academy of Forensic Scciences does not have relevence for wildlife forensics?

a. Digital and multimedia sciences

b. Jurisprudence

c. Odontology

d. Psychiatry and behavioral sciences

e. Questioned documents

d. Psychiatry and behavioral sciences

According to the chapter on Wildlife Forensics, which year saw the largest number of cases?

2006

The illegal wildlife trade is worth upwards of how much money annually?

15-50 Billion

When was Federal protection afforded for all birds of prey?

1972

Which is a characteristic of minor wildlife crime offenders?

Those who violate permits and are more opportunistic

Which was NOT a hurdle when dealing with wildlife evidence in the court of law?

a. Regular crime labs wouldn't or couldn't work with animal remains

b. "Many experts were university scientists who lacked adequate security, had insufficient knowledge of analytical procedures, or refused to testify "

c. Difficulty finding people with relevant expertise for identification

d. Nobody cared

d. Nobody cared

Which of these is NOT a major category of crime against wildlife?

a. Illegal trading shipping or moving

b. Illegal feeding of wild animals

c. Illegal possession of animals

d. Infliction of cruelty to or persecution of wildlife in breach of laws

e. Illegal taking or poaching

b. Illegal feeding of wild animals

Wildlife forensics is the application of science to the regulation of wildlife ................... and conservation laws.

Protection

What is not true of immunoassays?

They are incompatible with automation

The toxic effects of chemical and physical agents on living organisms is called- __________.

Ecotoxicology

Tandem mass spectrometers are not

a. capable of detecting a tablespoon of sugar in an Olympic sized swimming pool

b. gradually replacing the GC-MS in laboratories

c. capable of detecting minute drug quantities

d. futuristic super machines

d. futuristic super machines

The carrier gas refers to

An inert gas such as helium (He) that flows over a thin solid phase in a column

A(n) _____________ is given to someone or taken with the intent of altering the state of consciousness

Stupefying agent

Why is cyanide dangerous?

It interrupts the electron transport cascade

The Swiss physician _____________ is considered the father of forensic toxicology.

Paracelsus

What is the major active agent in Marijuana?

Tetrahydrocannabinol (THC)

Postmortem redistribution refers to

Concentration changes that occur after death as drugs move from one bodily region to another

Which of the following statements are false?

a. LC-MS is compatible with virtually every known organic chemical

b. LC-MS are expensive

c. A liquid solvent is used in LC-MS instead of a gaseous stream as in GC-MS

d. LC-MS cannot be used with 80% of organic chemicals

d. LC-MS cannot be used with 80% of organic chemicals

Poisonous substances produced by animals are called _________________.

Zootoxins

Which is not an example of an opiate?

a. Poppy seed

b. Codeine

c. Morphine

d. Heroin

a. Poppy seed

The study of how different drugs and poisons move through a living body is called _______________, according to your reading.

Toxicokinetics

What is the workplace drug testing primarily concerned with?

Drugs of abuse

The specific toxic chemical in a poisonous substance is known as the ________.

Toxin

Poisonous substances produced by bacteria are called _________________.

Bacteriotoxins

What is an advantage of GC-MS?

Provides the most accurate confirmation of identification

"Free base" and "crack" cocaine differ in what manner?

a. None of the above

b. Free base is extracted with ether whereas crack is extracted with hydrochloric acid.

c. "Their chemical structures, and thus, free base has a lower boiling point than crack ."

d. Free base cocaine is found at the bottom of the Andes mountains whereas crack is found at higher elevations.

a. None of the above

Tetrahydrocannibinol is found in:

Marijuana

You want to test an unknown substance for barbiturates. Which of these is the best choice?

Dillie-Koppanyi test

A blue color change in a Scott test is positive for:

Cocaine

Bright red livor mortis is indicitive of which of these conditions/poisons

Carbon monoxide

Extensive ulceration in the sigmoid colon and the descending colon can indicate toxins were ingested ____.

rectally

"When examining the stomach during autopsy, you find that it is hard and leathery. This could be an indication of ingestion of ____."

formaldehyde

Where are drugs primarily metabolized?

Liver

Which is not part of TLC?

a. tank or equivalent

b. A glass plate coated with silica

c. A solvent comprised of blue ink and water

d. An organic solvent

c. A solvent comprised of blue ink and water

A yellowed liver is indicitive of which of these conditions/poisons?

Chloroform