1.1.2 Polygraph Testing

What is a "person of interest" in the context of law enforcement?

• Someone who is definitely guilty of a crime

• Someone who is a witness to a crime

• Someone who law enforcement thinks may have information related to a possible crime

• Someone who has been convicted of a crime

How many persons of interest were revealed in the investigation of Anna Garcia's death?

• Three

• Four

• Five

• Six

What is the purpose of identifying persons of interest in an investigation?

• To immediately arrest them

• To gather information that may help piece together the timeline and story of an event

• To convict them without trial

• To exclude them from the investigation

What might you feel if you tell a lie, according to the text?

• Calm and relaxed

• Heart racing and cheeks flushing

• Sleepy and tired

• Hungry and thirsty

In what situations are polygraph tests sometimes used?

• Medical examinations

• Forensic cases

• School assessments

• Driving tests

Who often uses polygraph tests for background checks?

• Teachers

• Law enforcement personnel

• Students

• Athletes

What physiological changes do polygraphs record?

• Heart rate and blood pressure

• Skin color and hair growth

• Muscle strength and flexibility

• Bone density and height

Which of the following is combined with biological data to determine honesty?

• Diet and nutrition.

• Verbal cues and body language.

• Exercise habits.

• Sleep patterns.

What does skin conductivity measure?

• The amount of blood pumped by the heart

• The number of breaths taken per minute

• How the amount of sweat produced impacts the ability to conduct electricity

• The rate at which oxygen is used by the body

What is heart rate?

• The number of breaths taken in one minute

• The number of times your heart beats in one minute

• The amount of oxygen used by the body

• The pressure of blood in the arteries