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MoD-Exam 2 > Forensics > Flashcards

Forensics Flashcards

1
Q

ASsuming a temperate climate, which of the following descriptions indicates that the time of death was likely greater than 36 hours ago?

A. - algor mortis, and - rigor mortis

B. - algor mortis and + rigor mortis

C. + algor mortis and + rigor mortis

D. +algor mortis and - rigor mortis

A

D. +algor mortis and - rigor mortis

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2
Q

Assuming a temperate climate, which of the following descriptions indicates that the time of death was likely less than 3 hours ago?

A. - algor mortis, and - rigor mortis

B. - algor mortis and + rigor mortis

C. + algor mortis and + rigor mortis

D. +algor mortis and - rigor mortis

A

A. - algor mortis, and - rigor mortis

NOTE:

  • A -R < 3
  • A +R 3-8

+A +R 8-36

+A -R >36

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3
Q

A body appears swollen and a greenish-blackish color. Parts of the body have seemingly become liquified and other parts seem to be emmitting a gaseous substance. Death likely occured in which of the following environments? Bonus: Name this type of decomposition

A. Underwater

B. Humid

C. Hot and dry

D. Cold and dry

A

B. Humid

Putrefactive decomposition

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4
Q

Which of the following is true of adipocere formation decomposition?

A. Death likely occured in a hot and dry environment

B. This form of decomposition usually sees changes in the Right Lower Quadrant first

C. Saponification of the skin is seen with relatively preserved internal organs

D. None of the above are correct

A

C. Saponification of the skin is seen with relatively preserved internal organs

NOTE: This form of decomp happens in water

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5
Q

The major focus of forensics is to determine why someone died, how they died, and the manner of there death. There are only 5 options for manner of death, what are they?

A

Natural

Accident

Suicide

Homicide

Undetermined

NASHU

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6
Q

Who can legally certify and sign a death certificate?

Who can certify manner of death?

A

Who can legally certify and sign a death certificate?

Any licensed physician

Who can certify manner of death?

Medical Examiner

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7
Q

Which of the following can be allowed to sign death certificates based on some local states’ legislature? Select all that apply

A. Justices of Peace

B. Coroners

C. Police

D. Crime Scene Investigators

A

A. Justices of Peace

B. Coroners

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8
Q

Between Cause of Death and Manner of Death:

Which of them is established by scientific analysis from the ME?

Which of them is an opinion rendered by the ME based on presented circumstances?

A

Which of them is established by scientific analysis from the ME?

CAuse of Death

Which of them is an opinion rendered by the ME based on presented circumstances?

Manner of Death

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9
Q

Which of the following schemes is put in correct order for a death certificate?

A. Gun shot wound to the chest > Massive hemorrhage > homicide

B. Homicide > Potassium chlorite administration > cardiac arrest

C. Massive hemorrhage > gun shot to the chest > homicide

D. All the above are acceptable

A

C. Massive hemorrhage > gun shot to the chest > homicide

NOTE:

  1. (immediate) Cause of death: the pathophysiologic mechanism
  2. (proximate) cause of death: the condition, injury, disease
  3. Manner of death: NASHU
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10
Q

Why is cardiorespiratory arrest not a legitimate COD?

A

Cardiorespiratory arrest is a description of death, and does not express WHAT caused the heart and lungs to stop. COD is a description of WHAT caused the death

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11
Q

What are the 3 typical types of wounds produced by blunt forced trauma?

A

Abrasion

Contusion

Laceration

ACL

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12
Q

Express the Wounding Formula:

W= wound

K= modifying factors like object’s or subjects elasticity

E= transfered energy

T= period of time energy was transfered

A= area of applied force

A

W= (E)(1/T)(1/A)(K)

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13
Q

A contusion is a fancy name for a bruise, which forms as a result of blunt force trauma that causes hemorrhage into the soft tissue, but the epidermis stays intact. Contusion timeline is relatively hard to calculate, but which of the following colors can softly indicate an occurence of blunt forth of 18 hours or greater?

A. Red

B. Blue

C. Purple

D. Yellow

E. Brown

A

D. Yellow

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14
Q

Blunt force trauma is most likely to result in sever contusions if force is struck in which of the following locations?

A. On the shins of a 72 year old woman

B. On the eyelids of a 40 year old man with cirrhosis of the liver

C. With a baseball bat swung by Barry bonds at the height of steroid use to the elbow of his 30 year old teammate with severe coagulopathies

D. All of the above are pretty likely to be severe as amount of force, tissue type, vascularity, tissue location, and bruisability of the subject

A

D. All of the above are pretty likely to be severe as amount of force, tissue type, vascularity, tissue location, and bruisability of the subject

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15
Q

Which of the following would be cateogorized by a pathologist as a laceration?

A. A gash on the palm of a five year old who was running with scissors

B. A gash between the eyebrows where an opponent took an elbow to your forehead during a basketball game

C. A gash on the dorsal surface of a man who missed the stump when swinging his axe

D. None of the above

A

B. A gash between the eyebrows where an opponent took an elbow to your forehead during a basketball game

NOTE: A laceration CANNOT be caused by a sharp incision

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16
Q

What is the correct definition of a stab wound?

A. Sharp force injury where the measured depth is less than the length of the wound

B. Sharp force injury where the measured depth is greater than the measured length of the wound

C. Sharp force injury where the meansured width is equal to the depth but greater than the length multiplied by pi

D. All of the above seem chill honestly

A

B. Sharp force injury where the measured depth is greater than the measured length of the wound

17
Q

T/F: Velocity is more important than mass when it comes to gunshot wounds

A

True

18
Q

Which of the following ranges of gunshot wounds would we see stipling around the wound?

A. Close/contact range

B. Intermediate range

C. Distant range

A

B. Intermediate range

19
Q

Which of the following might we see for all ranges of gunshot wounds?

A. Marginal abrasion

B. Soot/powder in the depths of the wound

C. Stipling/Powder tattooing

D. None of the above

A

A. Marginal abrasion

20
Q

Which of the following allows us to sequence strikes when there are multiple blows involving blunt force trauma?

A. Coloring of the resulting contusions

B. Rate of decay of carbon isotypes

C. New fractures are unable to cross previous fracture lines

D. Shawn spencer, psych detective

A

C. New fractures are unable to cross previous fracture lines

21
Q

Which of the following is likely to have a small entry and no exit or small exit wound?

A. AK47 Rifle

B. 12 guage Missberg 500

C. Sig sauer .22

D. None of the above

A

C. Sig sauer .22

NOTE: The sig saur is a hand gun, which tend to be low velocity gun and create the result described in the stem.

22
Q

High velocity guns tend to be long guns and create gun shot wounds described as what?

A. Small entry, big exit

B. Small entry, small exit

C. Small entry, no exit

D. Large entry, small exit

A

A. Small entry, big exit

MoD-Exam 2 (11 decks)

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