Ch. 8 Test

Front

Why is it important to have tests that require the least amount of material in fiber analysis?

Back

Because the only fiber available may be from fingernail scraping of a victim.

Front

What is used to bag all possible sources of fiber evidence to prevent cross contamination?

Back

Paper bags.

Front

How many full-length hairs are typically collected from several sections of the head during an autopsy or from a suspect?

Back

50.

Front

What is a polymer?

Back

A substance composed of a large number of atoms arranged in repeating units.

Front

From which types of crimes is paint often recovered?

Back

Hit-and-run crimes and burglaries.

Front

What is the significance of fiber evidence in forensic analysis?

Back

Fiber evidence can link a suspect to a crime scene or victim.

Front

What are the two main types of fibers used in forensic analysis?

Back

Natural fibers and synthetic fibers.

Front

How can cross-contamination of fiber evidence be prevented at a crime scene?

Back

By using separate containers for each source of evidence.

Front

What role do polymers play in forensic science?

Back

Polymers are used in various materials, including plastics and fibers, which can be analyzed for evidence.

Front

What is the importance of collecting hair samples in forensic investigations?

Back

Hair samples can provide DNA evidence and link individuals to crime scenes.