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Forensics - Unit 3

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Quiz sobre Forensics - Unit 3, criado por Jennifer Tuxford em 09-01-2018.
Jennifer Tuxford
Quiz por Jennifer Tuxford, atualizado more than 1 year ago
Jennifer Tuxford
Criado por Jennifer Tuxford mais de 6 anos atrás
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Resumo de Recurso

Questão 1

Questão
According to criminal investigators, fingerprints follow 3 fundamental principles, except:
Responda
  • A fingerprint is an individual characteristic; no two people have been found with the exact same fingerprint pattern.
  • A fingerprint pattern will remain unchanged for the life of an individual; however, the print itself may change due to permanent scars and skin diseases.
  • Fingerprints can let an investigator determine the race of the individual they are seeking.
  • Fingerprints have general characteristic ridge patterns that allow them to be systematically identified.

Questão 2

Questão
Which is not a fingerprint class?
Responda
  • Whorls
  • Stripes
  • Loops
  • Arches

Questão 3

Questão
Dactyloscopy is...
Responda
  • the study of pterodactyls.
  • the study of fingerprint identification.
  • the study of blood.
  • the study of DNA

Questão 4

Questão
What class of fingerprint is this picture?
Image:
Whorls (binary/octet-stream)
Responda
  • Whorl
  • Arch
  • Stripe
  • Loop

Questão 5

Questão
What class of fingerprint is this picture?
Image:
Loops (binary/octet-stream)
Responda
  • Whorl
  • Stripe
  • Loop
  • Arch

Questão 6

Questão
What class of fingerprint is this picture?
Image:
Arch (binary/octet-stream)
Responda
  • Whorl
  • Arch
  • Loop
  • Stripe

Questão 7

Questão
What is the study of the uniqueness of friction ridge structures and their use for personal identification?
Responda
  • Entomology
  • Forensics
  • Odontology
  • Ridgeology

Questão 8

Questão
Which of the following is not correct. Fingerprints...
Responda
  • are formed from oils secreted by the fingers
  • are formed from material on the fingers that is pressed upon a surface
  • are formed on any surface
  • are perspiration marks, along with oils that may have been picked up by touching the hairy portion of the body, that are transferred onto a surface

Questão 9

Questão
What 2 main components make up the composition of fingerprints?
Responda
  • Sweat and contaminants
  • Sweat and perspiration
  • Perspiration and blood
  • Blood and skin

Questão 10

Questão
What are 3 types of fingerprint impressions? (Check 3)
Responda
  • Latent
  • Plastic
  • Patent
  • Glass
  • Complete

Questão 11

Questão
Plastic fingerprints are...
Responda
  • fingerprints left on plastic surfaces.
  • bendable and easily lifted.
  • made of plastic.
  • actual indentations left in some soft materials such as clay, putty, wax, or dust.

Questão 12

Questão
Patent fingerprints are...
Responda
  • visible prints left on a smooth surface when blood, ink, or some other liquid comes into contact with the hands and is then transferred to the surface.
  • invisible prints left on a smooth surface when blood, ink, or some other liquid comes into contact with the hands and is then transferred to the surface.
  • visible prints left on a porous surface
  • invisible prints that must found with magnetic powder

Questão 13

Questão
Latent fingerprints are...
Responda
  • fingerprints that are visible to the naked eye and caused by the transfer of oils and other bodily secretions onto a surface.
  • fingerprints that are left behind in blood.
  • fingerprints that have been smeared and are no longer readable.
  • fingerprints that are invisible to the naked eye and caused by the transfer of oils and other bodily secretions onto a surface. They can be made visible by various different methods.

Questão 14

Questão
Fingerprinting and DNA fingerprinting are used to identify people because both are unique to individuals.
Responda
  • True
  • False

Questão 15

Questão
A DNA fingerprint shows...
Responda
  • all of the amino acids in an individual's body.
  • the speed of moving nucleic acids.
  • the polarity of nucleic acids.
  • the DNA base sequences in an individual's cells.

Questão 16

Questão
A method for the separation and analysis of macromolecules and their fragments, based on their size and charge is ...
Responda
  • Gas spectrometry
  • Chromatography
  • Gel Electrophoresis
  • Blood Typing

Questão 17

Questão
Polymerase Chain Reaction (PCR), is a technique used to:
Responda
  • Replicate DNA when only a small sample is found
  • Break down proteins into their original DNA bases
  • Synthesize amino acids into proteins at the ribosomes
  • Transport proteins across the plasma membrane

Questão 18

Questão
Who was at the crime scene?
Image:
Dna Fingerprint (binary/octet-stream)
Responda
  • Suspect B
  • No match
  • Suspect C
  • Suspect A

Questão 19

Questão
Where would we find the smallest DNA fragments, closer to the + end or the – end?
Image:
Gel Electrophoresis (binary/octet-stream)
Responda
  • Positive end
  • Negative end
  • Both ends, equally
  • Where ever they started from

Questão 20

Questão
A technique used for separating mixtures into their component parts is...
Responda
  • DNA Fingerprinting
  • Chromatography
  • Latent Fingerprinting
  • Paint Analysis

Questão 21

Questão
The 4 uses of Chromatography are all of the following, except...
Responda
  • Analyze a substance and its constituents in a sample
  • Quantify the amount of a substance contained in a sample
  • Identify a substance
  • Purify a substance
  • Combine substances in a sample

Questão 22

Questão
Who might use chromatography to compare a sample found at crime scene to samples from suspects?
Responda
  • Law Enforcement
  • Hospital
  • Pharmaceutical Company
  • Environmental Agency
  • Manufacturing Plant

Questão 23

Questão
Who might use chromatography to determine the level of pollutants in the water supply?
Responda
  • Law Enforcement
  • Manufacturing Plant
  • Hospital
  • Environmental Agency
  • Pharmaceutical Company

Questão 24

Questão
What type of chromatography separates vaporized samples with a carrier gas (mobile phase) and a column composed of a liquid or of solid beads (stationary phase)?
Responda
  • Gas Chromatography
  • Liquid Chromatography
  • Paper Chromatography
  • Thin-Layer Chromatography

Questão 25

Questão
What type of chromatography separates dried liquid samples with a liquid solvent (mobile phase) and a paper strip (stationary phase)?
Responda
  • Gas Chromatography
  • Paper Chromatography
  • Thin-Layer Chromatrography
  • Liquid Chromatography

Questão 26

Questão
Why does the liquid move up the filter paper in paper chromatography?
Responda
  • Capillary Action
  • Solubility
  • Diffusion
  • Osmosis

Questão 27

Questão
Healthy blood contains which of the following? (Select all that apply)
Responda
  • Red blood cells
  • White blood cells
  • Platelets
  • Plasma
  • Poisons
  • Bacteria

Questão 28

Questão
Which of the following are part of the immune system and destroy infectious agents called pathogens?
Responda
  • White Blood Cells
  • Red Blood Cells
  • Platelets
  • Plasma

Questão 29

Questão
Which of the following is the yellowish liquid portion of blood that contains electrolytes, nutrients and vitamins, hormones, clotting factors, and proteins such as antibodies to fight infection?
Responda
  • Red Blood Cells
  • White Blood Cells
  • Plasma
  • Platelets

Questão 30

Questão
Which of the following are clotting factors that are carried in the plasma; they clot together in a process called coagulation to seal a wound and prevent a loss of blood?
Responda
  • Red Blood Cells
  • White Blood Cells
  • Plasma
  • Platelets

Questão 31

Questão
Which of the following are the most abundant cells in our blood; they are produced in the bone marrow and contain a protein called hemoglobin that carries oxygen to our cells?
Responda
  • White Blood Cells
  • Platelets
  • Red Blood Cells
  • Plasma

Questão 32

Questão
What blood type is the Universal Donor?
Responda
  • A
  • B
  • AB
  • O

Questão 33

Questão
What blood type is the Universal Recipient?
Responda
  • A
  • B
  • AB
  • O

Questão 34

Questão
If Mom is blood type A and Dad is blood type O, what type of blood will the baby have?
Responda
  • A
  • O
  • A or O
  • B

Questão 35

Questão
An _______________ if found on the red blood cell; whereas, the ________________ is produced to fight foreign substances.
Responda
  • antigen; antibody
  • antibody; antigen

Questão 36

Questão
An A- blood type can safely receive blood from which of the following?
Responda
  • A+
  • A-
  • AB+
  • AB-
  • O+
  • O-

Questão 37

Questão
People who have + blood contain a protein found in...
Responda
  • Gorillas
  • Rhesus Monkeys
  • Rhesus Beetles
  • Chimpanzees

Questão 38

Questão
People with + blood can receive both + and - blood safely.
Responda
  • True
  • False

Questão 39

Questão
What blood type is this?
Image:
Blood 0 (binary/octet-stream)
Responda
  • O-
  • O+
  • AB-
  • AB+
  • A-
  • A+
  • B-
  • B+

Questão 40

Questão
What blood type is this?
Image:
Blood A (binary/octet-stream)
Responda
  • O+
  • O-
  • A+
  • A-
  • AB+
  • AB-

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