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Forensics - Unit 3

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Test sobre Forensics - Unit 3, creado por Jennifer Tuxford el 09/01/2018.
Jennifer Tuxford
Test por Jennifer Tuxford, actualizado hace más de 1 año
Jennifer Tuxford
Creado por Jennifer Tuxford hace más de 6 años
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Resumen del Recurso

Pregunta 1

Pregunta
According to criminal investigators, fingerprints follow 3 fundamental principles, except:
Respuesta
  • 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.

Pregunta 2

Pregunta
Which is not a fingerprint class?
Respuesta
  • Whorls
  • Stripes
  • Loops
  • Arches

Pregunta 3

Pregunta
Dactyloscopy is...
Respuesta
  • the study of pterodactyls.
  • the study of fingerprint identification.
  • the study of blood.
  • the study of DNA

Pregunta 4

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

Pregunta 5

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

Pregunta 6

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

Pregunta 7

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

Pregunta 8

Pregunta
Which of the following is not correct. Fingerprints...
Respuesta
  • 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

Pregunta 9

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

Pregunta 10

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

Pregunta 11

Pregunta
Plastic fingerprints are...
Respuesta
  • 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.

Pregunta 12

Pregunta
Patent fingerprints are...
Respuesta
  • 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

Pregunta 13

Pregunta
Latent fingerprints are...
Respuesta
  • 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.

Pregunta 14

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

Pregunta 15

Pregunta
A DNA fingerprint shows...
Respuesta
  • 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.

Pregunta 16

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

Pregunta 17

Pregunta
Polymerase Chain Reaction (PCR), is a technique used to:
Respuesta
  • 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

Pregunta 18

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

Pregunta 19

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

Pregunta 20

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

Pregunta 21

Pregunta
The 4 uses of Chromatography are all of the following, except...
Respuesta
  • 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

Pregunta 22

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

Pregunta 23

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

Pregunta 24

Pregunta
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)?
Respuesta
  • Gas Chromatography
  • Liquid Chromatography
  • Paper Chromatography
  • Thin-Layer Chromatography

Pregunta 25

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

Pregunta 26

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

Pregunta 27

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

Pregunta 28

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

Pregunta 29

Pregunta
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?
Respuesta
  • Red Blood Cells
  • White Blood Cells
  • Plasma
  • Platelets

Pregunta 30

Pregunta
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?
Respuesta
  • Red Blood Cells
  • White Blood Cells
  • Plasma
  • Platelets

Pregunta 31

Pregunta
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?
Respuesta
  • White Blood Cells
  • Platelets
  • Red Blood Cells
  • Plasma

Pregunta 32

Pregunta
What blood type is the Universal Donor?
Respuesta
  • A
  • B
  • AB
  • O

Pregunta 33

Pregunta
What blood type is the Universal Recipient?
Respuesta
  • A
  • B
  • AB
  • O

Pregunta 34

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

Pregunta 35

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

Pregunta 36

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

Pregunta 37

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

Pregunta 38

Pregunta
People with + blood can receive both + and - blood safely.
Respuesta
  • True
  • False

Pregunta 39

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

Pregunta 40

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