PBS 1.1.1-1.1.3 Review

The central core of the hair is called the...?

• Medulla
• Cuticle
• Cortex
• Shaft

The tough clear outside covering of a hair shaft is

• cuticle
• cortex
• medulla
• polymer

The middle layer of a hair shaft that contains pigment

• the cortex
• the medulla
• the cuticle
• the polymer

When sketching a crime scene One strategy they use is to identify a _____ from which they take all their measurements

• Starting Point

• Point of origin

• Key point

• Hot spot

commonly known as lie detector test

• respirator test

• heart rate test

• polygraph test

• monograph test

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

• minutiae

• medulla

• whorls

• keratin

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

• Photographing the scene

• Sketching the scene

• Interviewing witnesses

• Collecting the evidence

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

• Respiration rate

• Heart rate

• Digestion rate

• Blood pressure

Are polygraphs admissible in a court case?

• Yes

• No

The variable in an experiment that you change

• Independent variable

• dependent variable

• constant

• control