Frage 1
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According to criminal investigators, fingerprints follow 3 fundamental principles, except:
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A fingerprint is an individual characteristic; no two people have been found with the exact same fingerprint pattern.
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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.
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Fingerprints can let an investigator determine the race of the individual they are seeking.
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Fingerprints have general characteristic ridge patterns that allow them to be systematically identified.
Frage 2
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Which is not a fingerprint class?
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Whorls
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Stripes
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Loops
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Arches
Frage 3
Frage 4
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What class of fingerprint is this picture?
Frage 5
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What class of fingerprint is this picture?
Frage 6
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What class of fingerprint is this picture?
Frage 7
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What is the study of the uniqueness of friction ridge structures and their use for personal identification?
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Entomology
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Forensics
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Odontology
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Ridgeology
Frage 8
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Which of the following is not correct. Fingerprints...
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are formed from oils secreted by the fingers
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are formed from material on the fingers that is pressed upon a surface
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are formed on any surface
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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
Frage 9
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What 2 main components make up the composition of fingerprints?
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Sweat and contaminants
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Sweat and perspiration
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Perspiration and blood
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Blood and skin
Frage 10
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What are 3 types of fingerprint impressions? (Check 3)
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Latent
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Plastic
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Patent
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Glass
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Complete
Frage 11
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Plastic fingerprints are...
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fingerprints left on plastic surfaces.
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bendable and easily lifted.
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made of plastic.
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actual indentations left in some soft materials such as clay, putty, wax, or dust.
Frage 12
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Patent fingerprints are...
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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.
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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.
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visible prints left on a porous surface
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invisible prints that must found with magnetic powder
Frage 13
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Latent fingerprints are...
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fingerprints that are visible to the naked eye and caused by the transfer of oils and other bodily secretions onto a surface.
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fingerprints that are left behind in blood.
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fingerprints that have been smeared and are no longer readable.
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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.
Frage 14
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Fingerprinting and DNA fingerprinting are used to identify people because both are unique to individuals.
Frage 15
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A DNA fingerprint shows...
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all of the amino acids in an individual's body.
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the speed of moving nucleic acids.
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the polarity of nucleic acids.
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the DNA base sequences in an individual's cells.
Frage 16
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A method for the separation and analysis of macromolecules and their fragments, based on their size and charge is ...
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Gas spectrometry
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Chromatography
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Gel Electrophoresis
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Blood Typing
Frage 17
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Polymerase Chain Reaction (PCR), is a technique used to:
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Replicate DNA when only a small sample is found
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Break down proteins into their original DNA bases
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Synthesize amino acids into proteins at the ribosomes
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Transport proteins across the plasma membrane
Frage 18
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Who was at the crime scene?
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Suspect B
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No match
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Suspect C
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Suspect A
Frage 19
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Where would we find the smallest DNA fragments, closer to the + end or the – end?
Frage 20
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A technique used for separating mixtures into their component parts is...
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DNA Fingerprinting
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Chromatography
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Latent Fingerprinting
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Paint Analysis
Frage 21
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The 4 uses of Chromatography are all of the following, except...
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Analyze a substance and its constituents in a sample
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Quantify the amount of a substance contained in a sample
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Identify a substance
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Purify a substance
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Combine substances in a sample
Frage 22
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Who might use chromatography to compare a sample found at crime scene to samples from suspects?
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Law Enforcement
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Hospital
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Pharmaceutical Company
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Environmental Agency
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Manufacturing Plant
Frage 23
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Who might use chromatography to determine the level of pollutants in the water supply?
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Law Enforcement
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Manufacturing Plant
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Hospital
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Environmental Agency
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Pharmaceutical Company
Frage 24
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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)?
Frage 25
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What type of chromatography separates dried liquid samples with a liquid solvent (mobile phase) and a paper strip (stationary phase)?
Frage 26
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Why does the liquid move up the filter paper in paper chromatography?
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Capillary Action
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Solubility
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Diffusion
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Osmosis
Frage 27
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Healthy blood contains which of the following? (Select all that apply)
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Red blood cells
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White blood cells
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Platelets
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Plasma
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Poisons
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Bacteria
Frage 28
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Which of the following are part of the immune system and destroy infectious agents called pathogens?
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White Blood Cells
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Red Blood Cells
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Platelets
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Plasma
Frage 29
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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?
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Red Blood Cells
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White Blood Cells
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Plasma
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Platelets
Frage 30
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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?
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Red Blood Cells
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White Blood Cells
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Plasma
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Platelets
Frage 31
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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?
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White Blood Cells
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Platelets
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Red Blood Cells
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Plasma
Frage 32
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What blood type is the Universal Donor?
Frage 33
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What blood type is the Universal Recipient?
Frage 34
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If Mom is blood type A and Dad is blood type O, what type of blood will the baby have?
Frage 35
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An _______________ if found on the red blood cell; whereas, the ________________ is produced to fight foreign substances.
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antigen; antibody
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antibody; antigen
Frage 36
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An A- blood type can safely receive blood from which of the following?
Frage 37
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People who have + blood contain a protein found in...
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Gorillas
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Rhesus Monkeys
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Rhesus Beetles
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Chimpanzees
Frage 38
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People with + blood can receive both + and - blood safely.
Frage 39
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What blood type is this?
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O-
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O+
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AB-
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AB+
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A-
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A+
-
B-
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B+
Frage 40
Frage
What blood type is this?