PBS Unit 1
Quiz by MB Freeh
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24 questions
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- Q1Dr. Marlow wants to know if his new gas medicine will help reduce gas in his patients. He designs an experiment to test it. What is the independent variable?gas medicinenone of the abovepatientsamount of gas30s
- Q2A specific test that can determine the exact identity of a substance (or person)positive determinant testpresumptive testforensic testconfirmatory test30s
- Q3Who can donate to a person with type A blood?Type A donors onlyType A & Type AB donorsType A & Type O donorsType B & Type O donors30s
- Q4Who can donate blood to a person who is type AB?Type AB onlyAll blood types can donatenone of the aboveType O only30s
- Q5What type of evidence can be processed by looking at the cortex, medulla, growth stage, or diameter?Blood samplefingerprintHair sampleDNA sample30s
- Q6What type of evidence can be processed by looking at shape, size, ridges, and minutiaefingerprintHairBloodDNA30s
- Q7What is a dependent variable?what you change on purpose in an experimentWhat stays the same in an experimenta prediction about an experimentwhat is measured in an experiment30s
- Q8A person is found collapsed in their home by a neighbor. What career is involved in notifying the police and calling an ambulance?Medical examinerCoroner911 operatorEMT30s
- Q9The part of an experiment where the independent variable is NOT applied so that it may serve as a standard for comparisonDependent variableexperimental groupcontrol groupconstant30s
- Q10What shape of blood stain is produced when a droplet of blood strikes a horizontal surface at 90 degrees?very elongated with a long tailcircularovaltiny dots30s
- Q11The application of scientific knowledge to answer questions of civil and criminal lawbiomedical scienceforensic scienceThe scientific methodPositive control30s
- Q12How can blood at a death scene be analyzed?patterns of spatter are measured and provide clues to the event occurredDNA from the blood can provide further informationsize of blood droplets can indicate height at which it fellall of the above30s
- Q13What scientists are tasked with the collection, preservation and analysis of scientific evidence during the course of an investigation?toxicologistparamedicForensic scientistsPolice officer30s
- Q14DNA is cut at specific nucleotide sequences byDNA proteinsGel electrophoresisRFLPsRestriction endonucleases30s
- Q15When running a gel electrophoresis, DNA will migrate toward the ______________ endnot enough information providedoppositenegativepositive30s