Practice Exam: CRIM - Polygraphy (Set 40)
30-question practice exam on polygraph examination, lie detection techniques, and deception indicators.
1. Who is considered the father of modern polygraphy?
A.Cesare Lombroso
B.Leonarde Keeler
C.John A. Larson
D.William Moulton Marston
2. What was the primary contribution of John A. Larson to polygraphy?
A.Inventing the first lie detector
B.Creating the first continuous-recording polygraph
C.Discovering the electrodermal response
D.Developing the control question technique
3. William Moulton Marston, a key figure in polygraph history, is also famous for creating what?
A.The FBI
B.The comic book character Wonder Woman
C.The first mobile crime lab
D.The concept of fingerprint analysis
4. In 1895, who used a hydrosphygmograph to measure the pulse and blood pressure of suspects during police interrogation?
A.Angelo Mosso
B.Cesare Lombroso
C.Sir James Mackenzie
D.Vittorio Benussi
5. What ancient practice is considered a forerunner to modern lie detection?
A.Requiring a suspect to hold a hot iron
B.The "trial of the sacred ass" in India
C.Examining the entrails of a sacrificed animal
D.Consulting an oracle or seer
6. Which component of the polygraph instrument records changes in breathing?
A.Galvanometer
B.Pneumograph
C.Cardiograph
D.Kymograph
7. What does the galvanometer (or GSR) component of the polygraph measure?
A.Blood pressure and pulse rate
B.Changes in skin resistance or electrodermal activity
C.Muscular movements and tremors
D.Rate and depth of breathing
8. The cardiograph component is responsible for recording which physiological response?
A.Respiration
B.Skin conductivity
C.Blood pressure and heart rate
D.Body temperature
9. What is the function of the kymograph in a traditional analog polygraph machine?
A.To measure the subject's heart rate
B.To amplify the electronic signals
C.To drive the chart paper and record the tracings from the pens
D.To record audio of the examination
10. In a modern computerized polygraph, what replaces the kymograph and ink pens?
A.A laser printing system
B.A monitor and digital recording software
C.A thermal printing mechanism
D.A specialized data-to-audio converter
11. Which physiological principle is the basis for polygraphy?
A.The act of lying causes a specific, identifiable physiological response.
B.The fear of detection causes involuntary physiological changes when lying.
C.Cognitive load is higher when telling a lie.
D.Deception is always accompanied by feelings of guilt.
12. A sudden, deep breath followed by a suppression of breathing on the pneumograph tracing is called what?
A.Apnea
B.Respiratory block
C.Hyperventilation
D.Bradypnea
13. An increase in the amplitude of the blood pressure tracing on the cardiograph is indicative of what?
A.A drop in blood pressure
B.An increase in blood pressure
C.A decrease in heart rate
D.A change in breathing pattern
14. What does a significant response in the Electrodermal Activity (EDA) or Galvanic Skin Response (GSR) channel indicate?
A.The subject is calm and relaxed.
B.The subject is thinking deeply.
C.Increased sweat gland activity.
D.A decrease in body temperature.
15. The polygraph measures responses from which part of the nervous system?
A.Central Nervous System
B.Somatic Nervous System
C.Autonomic Nervous System
D.Peripheral Nervous System
16. What is the primary purpose of an irrelevant or neutral question in a polygraph test?
A.To confuse the subject.
B.To establish a baseline of normal physiological responses.
C.To directly accuse the subject of the crime.
D.To check for a history of lying.
17. A control question (or probable lie question) is designed to elicit a reaction from whom?
A.A guilty subject
B.A truthful subject
C.Both guilty and truthful subjects
D.The polygraph examiner
18. "Did you take the missing P50,000 from the office safe last Friday?" is an example of what type of question?
A.Control question
B.Irrelevant question
C.Relevant question
D.Symptomatic question
19. The "Zone Comparison Technique" (ZCT) primarily compares the physiological responses between which two types of questions?
A.Irrelevant and Relevant questions
B.Control and Relevant questions
C.Symptomatic and Irrelevant questions
D.Guilt-complex and Control questions
20. What is the purpose of a "symptomatic question" such as, "Are you convinced I will ask you only the questions we have reviewed?"
A.To establish a baseline.
B.To detect an outside issue that might be worrying the subject.
C.To assess the subject's general truthfulness.
D.To directly link the subject to the crime.
21. Which phase of the polygraph examination involves obtaining the subject's consent and explaining the instrument?
A.The Initial Interview
B.The Pre-Test Interview
C.The In-Test Phase
D.The Post-Test Interview
22. What is the primary activity during the "In-Test" or "Instrumentation" phase?
A.The examiner accuses the subject of lying.
B.The subject is allowed to ask questions.
C.The polygraph instrument is activated and the prepared questions are asked.
D.The examiner signs the report.
23. During which phase would an examiner confront a subject with the deceptive results of the test?
A.The Pre-Test Interview
B.The In-Test Phase
C.The Post-Test Interview/Interrogation
D.The Chart Interpretation Phase
24. What is a "Silent Answer Test" (SAT)?
A.A test where the subject writes down their answers.
B.A test where the subject is instructed to answer "yes" or "no" only in their mind.
C.A test conducted without the examiner in the room.
D.The first chart run in any examination.
25. The entire polygraph examination process, from start to finish, typically lasts for how long?
A.30-45 minutes
B.Approximately 1 hour
C.2 to 4 hours
D.More than 5 hours
26. Under Philippine jurisprudence, what is the general rule on the admissibility of polygraph results in court?
A.They are admissible as conclusive proof of guilt.
B.They are admissible as corroborative evidence.
C.They are generally not admissible in court.
D.They are admissible only in civil cases.
27. Why does the Philippine Supreme Court hold a skeptical view of polygraph evidence?
A.Because it is too expensive for most litigants.
B.The test's reliability has not been scientifically established to the satisfaction of the courts.
C.It violates the right against self-incrimination.
D.There is a lack of qualified examiners in the country.
28. While not admissible in a court trial, where might the results of a polygraph test be useful in the Philippines?
A.In determining the final sentence of a convicted person.
B.As an investigative aid for law enforcement.
C.As a basis for filing an information in court.
D.To impeach the credibility of a witness on the stand.
29. Can a person be forced to undergo a polygraph examination in the Philippines?
A.Yes, if ordered by a judge.
B.Yes, if requested by the Chief of Police.
C.No, the examination must be voluntary.
D.Yes, for government employees suspected of corruption.
30. In the case of People v. Adoviso, the Supreme Court stated that a lie detector test is NOT a...
A.substitute for a thorough investigation.
B.reliable method for interrogation.
C.judicially acceptable and reliable method of ascertaining truth or deception.
D.violation of human rights.