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Forensic Entomology

Last updated almost 4 years ago

27 Nsɛmmisa

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How can knowing time of death impact an investigation?

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Why can insects not give an exact time of death?

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15.

What is the general life cycle of a blowfly on remains?

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23.

Why is it important to consider the temperature inside a dwelling as well as outside?

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1.

What is forensic entomology?

The use of insects to decompose bodies

The solving of crimes

The study of insects

The use of insects to aid legal investigations

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2.

What aspects of investigations can forensic entomology give insight to?

Toxicology

Manner of Death

Post Mortem Interval (PMI)

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3.

How do maggots affect the decomposition of the body?

Decrease the rate of decomposition

Have no affect on the rate of decomposition

Increase the rate of decomposition

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5.

Why is forensic entomology important for cases that are more than a few days old?

After a few days, the crime should be solved and the insects aren't needed anyways.

After a few days, there is nothing remaining except insects.

After a few days, entomology is the most accurate in determining time since death.

After a few days, the body needs to decompose for the investigation to go further and insects will allow that to happen more quickly.

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6.

What other information, besides time of death, can forensic entomology tell us (Check all that apply).

If there are wounds present

If a body was disturbed after death

If a body was moved after death

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7.

What information is used to determine time since death?

Only presence or absence of insects

Only insect developmental rates

Both presence or absence of insects and their developmental rates

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9.

What are the TWO methods of determining PMI? (Choose TWO)

Looking at the type of insects present

Looking at the life cycles and life stages of the insects

Looking at the number of insects present

Looking at the decomposition patterns of the body

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10.

What is looked at to determine time of death if the body was dead less than a month?

Life cycles of insects

Number of insects

Types of insects

Succession of different insects

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11.

What is looked at if the body was dead more than a month?

Life cycles of insects

Number of insects

Types of insects

Succession of different insects

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12.

Which type of insects come within minutes of death?

Blowflies

Houseflies

Maggots

Blowflies and Houseflies

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13.

What is the time frame that insects can no longer give important information about the time of death?

After one week

After one month

After one year

After two years

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14.

What is one of the first insects to settle on a dead body?

Dermestid Beetle

Bore Beetle

Maggots

Blowfly

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16.

Why is the information gathered from a blowfly very reliable when determining time of death?

There have been many studies of their life cycle

The length of each cycle is well known

Cycles are easy to recognize

The cycles are well studied and are well known

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17.

When does the dermestid beetle arrive on a dead body?

After 24 hours

Late in the decomposition process

Soon after death

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18.

Which type of beetle larvae is the most common type collected by forensic entomologists from human remains?

Carrion bettle larvae

Bone beetle larvae

Dermestid beetle larvae

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19.

What do bone beetles feed on?

Skin and fibers

Larvae of other insects and decomposing flesh

Bones

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20.

Describe the carrion beetles and when the arrive on a corpse.

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21.

What does it mean when it says insects are "cold-blooded"?

They are cold to the touch

They are sensitive to their environment

They have no emotions

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22.

How does temperature affect the decomposition rate?

Warmer temperatures have more insects and more decomposition

Warmer temperatures have less insects and more decomposition

Cooler temperatures have more insects and more decomposition

Cooler temperatures have less insects and more decomposition

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24.

How does the indoor/outdoor location affect the rate of decomposition?

There will be a greater richness of insect species at an outdoor crime scene

There will be a greater richness of insect species at an indoor crime scene

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25.

What is forensic entomotoxicology?

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26.

Why can insects give insight to wound sites in earlier stages of death?

Insects naturally lay eggs in openings, showing where wounds are

Insects will avoid wound areas

Insects will bite in areas where wounds are

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27.

How can insects give insight to location change after death?