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Exam 7: Blood, Forensic Biology, and DNA

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Question 1

Multiple Choice

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Who is responsible for establishing the agency guidelines for the best practice of handling biological materials, posting the guidelines, and providing "right to know" training to handle those materials?

A) Agency supervisors and administration
B) Co-workers
C) Technicians
D) Local government

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Question 2

Multiple Choice

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The goal of a reconstruction of a crime scene using Bloodstain Pattern Analysis is to assist the forensic investigation with which of the following questions:

A) What event occurred
B) When and where the event occurred
C) Who was there during the event
D) All of the above

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Question 3

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You are tasked with collecting evidence related to a homicide. You observe that the suspect does not have any blood staining on their person or clothing. What should you do?

This group comprises forensic DNA analysts from local, state, and federal laboratories throughout the U.S. who have developed guidelines for quality assurance and quality control:

Which of the following is the forensic database for DNA?

When collecting clothing from the same person you can bag these items together if it is properly labeled.

Items of evidence that contain blood should be packaged by wrapping in paper and then placed in a paper bag or an envelope.

________ behaves in well-understood mechanisms, the shape, grouping, and distribution of them can assist the investigator in reconstructing what took place at the scene of a violent crime.

You are about to enter the scene of a bloody double homicide to begin your investigation and collect evidence. Please choose the most appropriate personal protective equipment (PPE) you would want to wear while working in the scene:

The Bloodstain Pattern Analyst must adhere to _____________ methodology and rely on biology, physics, and math to perform the tasks during the analysis.

You are at the scene of a violent crime. You are tasked with collecting liquid blood that has pooled on the floor. Which is the most appropriate way to collect the evidence?

Two important requirements of photographic documentation of bloodstain evidence are to photograph bloodstain patterns at a ______________ angle; and with/without ____________ present.

___________ is defined as the act of making impure or unsuitable by contact or mixture with something unclean or foreign.

Which of the following is a presumptive chemical use for screening blood at a crime scene?

With regard to crime scene investigations, the term PPE stands for:

Are tasked with processing a crime scene which has a significant amount of blood. What bloodborne disease should you be cautious of when determining which PPE to wear?

You have been assigned a case where human skeletal remains have been found at a city dump. Which of the following DNA techniques would you use to identify the victim?

Dried blood can be swabbed with a cotton sterile swab by using:

Which of the following is the correct pairing of bases within the double helix?

Certain materials should not be packaged in airtight containers because there is the threat of mold growing. Which of the following evidence is most susceptible to mold growth if packaged in airtight containers?