Questions from Crime and Investigation

Q: What was the first successful breath-test device and what did

What was the first successful breath-test device and what did it measure to determine blood-alcohol concentration? What is the main difference between this device and the breath-test devices currently...

Q: Describe how a fuel cell detector measures blood alcohol.

Describe how a fuel cell detector measures blood alcohol.

Q: What is the key to the accuracy of a breath tester?

What is the key to the accuracy of a breath tester? Describe two steps the operator takes to ensure that this key requirement is met.

Q: What is a divided-attention task? Name and describe two

What is a divided-attention task? Name and describe two divided-attention tasks often administered during field sobriety tests.

Q: What is a trace element and why are trace elements important in

What is a trace element and why are trace elements important in analyzing physical evidence?

Q: What causes radioactivity? List and define the three types of radiation

What causes radioactivity? List and define the three types of radiation.

Q: In cooperation with the medical examiner or coroner, evidence retrieved from

In cooperation with the medical examiner or coroner, evidence retrieved from a deceased victim and sent to the crime lab should include which items?

Q: How does a nuclear reactor generate radioactive elements?

How does a nuclear reactor generate radioactive elements?

Q: Describe the process of neutron activation analysis. How does the process

Describe the process of neutron activation analysis. How does the process allow a forensic scientist to identify an isotope?

Q: What is the main advantage and the main weakness of neutron activation

What is the main advantage and the main weakness of neutron activation analysis?