What is the purpose of the first few questions during a polygraph test?

You are establishing a baseline / control

What is skin conductivity?

The ability of the skin to conduct electricity

How does stress affect physiological responses?

Stress can trigger physiological responses such as increased heart rate, elevated blood pressure, and changes in skin conductivity.

The number of times the heart beats per minute, indicating the heart's activity level.

What does a polygraph measure?

Physiological responses such as heart rate, skin conductivity, and respiration

What is the role of a polygraph in law enforcement?

A tool to assess the truthfulness of a suspect's statements during investigations.

What factors can influence heart rate?

Physical activity, emotional state, medications, and overall health.

What are vital signs?

Measurements that indicate the state of a patient's essential body functions, including pulse rate, temperature, respiration rate, and blood pressure.

What is respiration rate?

The number of breaths taken per minute, indicating how well the body is taking in oxygen and expelling carbon dioxide.

When analyzing polygraph results, what is the investigator looking for?

The results of the relevant question are different from the results of the control question.

When a fingerprint expert takes the witness stand and says he's absolutely certain two fingerprints match, he means he's found:

at least 12 or more matching minutiae

When is the last time we see Anna alive?

In the lab at 9pm working with acids

PBS 1.1 evidence Flashcards

Student preview

50 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the ridge pattern on this fingerprint?

Back

arch

2.

FLASHCARD QUESTION

Front

What is the ridge pattern on this fingerprint?

Back

loop

3.

FLASHCARD QUESTION

Front

What is the ridge pattern on this fingerprint?

Back

whorl

4.

FLASHCARD QUESTION

Front

What is the ridge pattern on this fingerprint?

Back

tented arch

5.

FLASHCARD QUESTION

Front

What is the ridge pattern on this fingerprint?

Back

arch

6.

FLASHCARD QUESTION

Front

What is the ridge pattern on this fingerprint?

Back

loop

7.

FLASHCARD QUESTION

Front

What is the ridge pattern on this fingerprint?

Back

whirl

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