Forensics finals

Understood! Here's the full list, starting from Question 1, with the question and the correct answer:




Question 1

You are provided with the femur bone, that you have identified as belonging to a European female. The femur is measured at a length of 45 cm. What is the estimated height of the person (provide range in cm)?
Correct Answer: 165.25 ± 3.72 cm




Question 2

Today had a high of 100°F and a low of 98°F. The minimum threshold for your insect is 55°F. How many degree days accumulated today?
Correct Answer: 44




Question 3

The word “forensics” actually means:
Correct Answer: Belonging to, used in, or suitable to courts of judicature; an argument




Question 4

Locard’s Exchange Principle is:
Correct Answer: Every contact leaves a trace




Question 5

Which evidence does not have the individual characteristic?
Correct Answer: Glass




Question 6

The classification of the crime scene labels the site of the original or first criminal activity as what?
Correct Answer: Primary crime scene




Question 7

Exculpatory evidence is a type of evidence whose presence at the scene includes a person as a source.
Correct Answer: False




Question 8

According to your reading, what is the primary responsibility of a forensic scientist?
Correct Answer: To perform scientific analyses and report the results




Question 9

The only thing consistent about crime scenes is:
Correct Answer: Their variety




Question 10

The major goal of working a crime scene is:
Correct Answer: To reconstruct the events that generated the collected evidence




Question 11

Which of the following is NOT a strength of the crime scene sketch compared to other documentation methods?
Correct Answer: It allows for accurate reproduction of color.




Question 12

What must occur each time evidence changes hands?
Correct Answer: The chain of custody must be updated with signatures and times




Question 13

What must be done to the evidence before it is collected at a crime scene?
Correct Answer: It must be photographed and sketched




Question 14

Which method of measurement involves using perpendicular lines from two walls or fixed points to locate objects within a crime scene?
Correct Answer: Rectangular Coordinates




Question 15

Why is it important to take perpendicular measurements in indoor crime scenes?
Correct Answer: To determine the horizontal and vertical distance between objects.




Question 16

Which search method is most suitable for large outdoor scenes with uneven terrain?
Correct Answer: Line or strip search




Question 17

What is the main advantage of using the zone search method?
Correct Answer: It is useful for areas with multiple rooms or barriers.




Question 18

Which search method is most effective for irregularly shaped areas with a focus on the center of the scene?
Correct Answer: Spiral search




Question 19

What is evidence?
Correct Answer: Court-approved information that the trier of fact is allowed to consider when determining a defendant's guilt or innocence




Question 20

What is an exemplar?
Correct Answer: A known standard collected by investigators




Question 21

What would be considered an exigent circumstance?
Correct Answer: A scream for help behind a locked door




Question 22

What are class characteristics in the context of physical evidence?
Correct Answer: Features shared by an entire group or class of objects




Question 23

Which of the following is an example of "class only" evidence?
Correct Answer: A fiber from a piece of clothing




Question 24

Which of the following allows for the individualization of evidence?
Correct Answer: The presence of a DNA sample




Question 25

What makes hair with an attached root more useful as evidence compared to hair without a root?
Correct Answer: The root provides individual characteristics, such as DNA




Question 26

What is one of the drawbacks to using amido black to develop prints?
Correct Answer: It can only be used once, so you only have one chance to develop the print properly




Question 27

Arch have 2 deltas.
Correct Answer: False




Question 28

Which one is the central pocket loop whorl?
Correct Answer: e




Question 29

Which one is the plain whorl?
Correct Answer: b




Question 30

Which one is the ulnar loop-left hand?
Correct Answer: d







Question 31

Which one is the double loop whorl?
Correct Answer: c




Question 32

The amido black reacts with oils and turns to a blank color?
Correct Answer: False




Question 33

60% of people have loop fingerprints.
Correct Answer: True




Question 34

Latent is when a print is left on a soft material.
Correct Answer: False




Question 35

When dropping through the air, a blood drop is spherical in shape.
Correct Answer: True




Question 36

Blood spatter analysis can tell us everything except:
Correct Answer: Who the blood belonged to




Question 37

A spike is an extension of the blood that is attached to the main droplet.
Correct Answer: True




Question 38

A passive fall is formed when blood drops at a 90-degree angle due to gravity acting on the blood drop.
Correct Answer: True




Question 39

A wipe pattern is the transfer of blood from a moving source onto an unstained surface.
Correct Answer: False




Question 40

What can you infer about the drop of blood that caused this?
Correct Answer: It hit the surface at an angle.




Question 41

Cast-off is considered high-velocity blood spatter.
Correct Answer: False




Question 42

What does this pattern tell you?
Correct Answer: The object on which the pattern sits has been moved in some way.




Question 43

Which one is the arterial spurt?
Correct Answer: a




Question 44

Which one is the transfer pattern?
Correct Answer: e




Question 45

In the presence of blood, the Adler test turns blue.
Correct Answer: True




Question 46

What color does the phenolphthalein test turn in the presence of hemoglobin?
Correct Answer: Pink




Question 47

The most common fluid found at a crime scene is blood.
Correct Answer: True




Question 48

If more than one drop has hit a surface, we can use the angle of impact to determine the point of origin.
Correct Answer: True




Question 49

Which of the following should be used when naming the immediate cause of death?
Correct Answer: All of the above




Question 50

Which of the following is not a manner of death?
Correct Answer: Myocardial infarction




Question 51

Which of the following factors is NOT used by a pathologist to estimate the early postmortem interval (PMI)?
Correct Answer: Color of the deceased’s clothing




Question 52

The rigor mortis refers to stiffening of the body.
Correct Answer: True




Question 53

The livor mortis refers to pooling of blood at the lowest part of the body.
Correct Answer: True




Question 54

Match the manner of death to the definition:
Correct Answer:

  • Natural death: Death caused by disease without any type of trauma preceding the onset of the disease or causing the disease

  • Accidental death: Death due to trauma resulting from acts that no reasonable person would have felt had a high probability of injury or death

  • Suicide: Death due to self-inflicted injury with evidence of intent to die

  • Homicide: Death due to the direct action of another person




Question 55

Medicolegal forensic entomologists are often called upon to determine a minimum postmortem interval or establish a time of colonization of a set of remains using insect species recovered from the scene of the crime.
Correct Answer: True




Question 56

If there is a difference between the minimum postmortem interval calculation and the actual time of death, the medicolegal entomologist has made a mistake in calculation.
Correct Answer: False




Question 57

Post-decay lasts from 10 days after death, and is when all the remaining flesh is removed over this period and the body dries out.
Correct Answer: False




Question 58

Maggots will migrate away from the body, burrow in the soil, and become adult.
Correct Answer: False




Let me know if there’s anything else you'd like me to work on!

Here are the questions with their correct answers:




Question 59
 Which one is the correct order for the stages of decomposition?
Correct Answer: Fresh → Bloated → Active Decay → Post-decay → Dry Stage → Skeletonization




Question 60
 Put the life stages of the fly in order from beginning to end.
Correct Answer: Egg, Larva-first instar, Larva-second instar, Larva-third instar, Pupa, Adult




Question 61
 The black blow fly takes 11 days to go from egg to adult. We know this because we reared it at 27°C and observed its developmental time. It's threshold temperature is 6°C. How many degree days does it take the black blowfly to go from egg to adult?
Correct Answer: 231




Question 62
 The coronal suture goes over the crown of the head?
Correct Answer: True




Question 63
 All humans have the same number of bones, regardless of sex, race, or age.
Correct Answer: False




Question 64
 What is the main bone used in many methods to identify forensic ancestry?
Correct Answer: Skull




Question 65
 The Palmer method replaced the Spencerian method.
Correct Answer: True




Question 66
 If a pen moves overhand or clockwise, it’s referred to as Garland movement.
Correct Answer: True




Question 67
 Indented writing, also known as second-page writing, is the impression from the writing instrument captured on the sheet above the original paper.
Correct Answer: False




Question 68
 As is true for any mechanical device, use of a printing device will result in wear and damage to the machine’s moving parts.
Correct Answer: True




Question 69
 Stamping of serial number application is the most common method.
Correct Answer: True




Question 70
 Fire is a rapid oxidation process that produces heat and light.
Correct Answer: True




Question 71
 The flashpoint is the temperature at which the liquid will produce vapors that will sustain combustion for at least five seconds.
Correct Answer: False




Question 72
 The temperature at which a liquid gives off sufficient vapor to form an ignitable mixture at its surface is called the fire point.
Correct Answer: False




Question 73
 The presence of soot will determine if a combustion reaction was complete or incomplete.
Correct Answer: True




Question 74
 One dangerous byproduct of incomplete combustion is carbon dioxide.
Correct Answer: False




Question 75
 Using fire to cover up the cause of another crime is a form of spoliation.
Correct Answer: True




Question 76
 The greatest amount of charring in a fire occurs at the upper area of burning.
Correct Answer: False




Question 77
 In a traditional light bulb, the swell of the glass in response to heat will point away from the heat source.
Correct Answer: False




Question 78
 DNA stands for bonucleic acid.
Correct Answer: False




Question 79
 Base pairs are bonded together by hydrogen bonds.
Correct Answer: True




Question 80
 Genes direct the production of a specific protein.
Correct Answer: True




Question 81
 The nucleus is the only place in a cell in which DNA can be found.
Correct Answer: False




Question 82
 SNPs is short for Single nucleotide polymorphisms.
Correct Answer: True




Question 83
 STRs is short for short tandem repeat.
Correct Answer: True




Question 84
 The chance that you and your sibling inherited the exact same thing from your parents at any given spot in your DNA is 50%.
Correct Answer: False




Question 85
 Fraternal twins are essentially siblings who happen to be born at the exact same time. They share about 50% of their DNA.
Correct Answer: True




Question 86
 The Controlled Substances Act is established in 1971.
Correct Answer: False




Question 87
 THC stands for tetrahydrocannabinol.
Correct Answer: True




Question 88
 An opiate is a large class of drugs able to cause euphoria as well as relieve pain.
Correct Answer: True




Question 89
 Marijuana is the most widely used drug in the U.S.
Correct Answer: True




Question 90
 Match the burn to its degree of severity.
Correct Answers:

  • 1 degree: Sunburn

  • 2 degree: Blister

  • 3 degree: Subcutaneous tissue damage is present but nothing deeper

  • 4 degree: Underlying Muscle and ligaments are burned but there is no bone damage

  • 5 degree: The bone is burned but not charred

  • 6 degree: Charring of the bone is present




Question 91
 An adult has 207 bones.
Correct Answer: False




Question 92
 The substance found within another substance, like food, drink, or other drugs, but is not allowed for legal or other reasons is called adulterant.
Correct Answer: True




Question 93
 Another name for heroin is diacetylmorphine.
Correct Answer: True




Question 94
 The type of drug used in lethal injection is a stimulant.
Correct Answer: False




Question 95
 Forensic toxicology is the study of the effects of poisons, including the properties, action, toxicity, and fatal doses of poisons.
Correct Answer: True




Question 96
 A poison is any substance that, when administered in a living body, will produce ill health or death.
Correct Answer: True




Question 97
 Toxicologists work with drugs or poisons before ingestion.
Correct Answer: False




Question 98
 Which pelvis is from a female?
Correct Answer: A and D




Question 99
 Which skull is from a female?
Correct Answer: B




Question 100
 Match the drug to its type.
Correct Answers:

  • Natural: Morphine

  • Semisynthetic: LSD

  • Synthetic: Amphetamines




Question 101
 Match the base to its DNA pair.
Correct Answers:

  • Adenine → Thymine

  • Cytosine → Guanine

  • Guanine → Cytosine

  • Thymine → Adenine




Question 102
 Match the drug to its type.
Correct Answers:

  • Cocaine → Natural

  • Heroin → Semisynthetic

  • PCP → Synthetic




Question 103
 Match the analysis conclusion with its definition.
Correct Answers:

  • Positive: The likelihood that any other known tool other than the one tested made the tool marks is so remote that it is a practical impossibility

  • Negative: You can rule out the tool due to the class characteristics

  • Inconclusive: This doesn't mean that the suspect tool doesn't match but that there's not enough evidence to prove that it does.




Question 104
 A substance that can counteract a poison is called an antidote.
Correct Answer: True




Question 105
 You find the 2nd instar on the body. The species is P. regina. What is the maximum amount of time, in hours, that the body has been there?
Correct Answer: 45




Question 106
 The high today was 58 °F and the low was 50°F. The insect threshold is 50°F. How many degree days accumulated?
Correct Answer: 4




Question 107
 You find the 2nd instar on the body. The species is P. regina. What is the minimum amount of time, in hours, that the body has been there?
Correct Answer: 25




Question 108
 Today had a high of 100°F and a low of 98°F. The minimum threshold for your insect is 55°F. How many degree days accumulated today?
Correct Answer: 44




Question 109
 You find the 2nd instar on the body. The species is P. regina. What is the maximum amount of time, in degree hours, that the body has been there?
Correct Answer: 990




Question 110
 You find the pupa on the body. The species is P. regina. What is the maximum amount of time, in days, that the body has been there?
Correct Answer: 8.125




Question 111
 You find the pupa on the body. The species is P. regina. What is the minimum amount of time, in days, that the body has been there?
Correct Answer: 3.125




Question 112
 You find the pupa on the body. The species is P. regina. What is the maximum amount of time, in degree days, that the body has been there?
Correct Answer:

176.25




Question 113
 You find the pupa on the body. The species is P. regina. What is the minimum amount of time, in degree days, that the body has been there?
Correct Answer: 69.75




Question 114
 You find the adult on the body. The species is P. regina. What is the minimum amount of time, in degree days, that the body has been there?
Correct Answer: 22.5




Question 115
 You find the adult on the body. The species is P. regina. What is the maximum amount of time, in degree days, that the body has been there?
Correct Answer: 56.25




Question 116
 You find the adult on the body. The species is P. regina. What is the maximum amount of time, in hours, that the body has been there?
Correct Answer: 135




Question 117
 You find the adult on the body. The species is P. regina. What is the minimum amount of time, in hours, that the body has been there?
Correct Answer: 45




Question 118
 The period of time between the appearance of the first insects and their later stages of development is called the “post-mortem interval.”
Correct Answer: True




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