PBS Unit 1 Quiz

Locard's Exchange Principle hypothesizes that it is impossible to commit a crime without leaving traces.

The outermost layer of hair is called the...

This fingerprint is an example of a...

Which blood cell provides a major defense for our bodies against bacteria and viruses?

Which blood cell contains hemoglobin for carrying oxygen?

Other than ridge patterns, what else do scientists use to identify and match fingerprints?

Which of the following steps to processing a crime scene is NOT performed by a crime scene investigator?

Which of the following physiological responses are measured during a polygraph test? (check all that apply)

Are polygraphs admissible in a court case?

Which of the following is the most common presumptive blood test that uses phenolphthalein which reacts with hemoglobin?