- 1. A suspect had difficulty chewing dry rice because fear reduced his saliva production. What ancient method was used?
A) Hypnosis
B) Trial by water
C) Dry rice test
D) Narcoanalysis
- 2. The investigator compared witness testimonies and CCTV footage to verify facts. What method was used?
A) Voice stress analysis
B) Hypnosis
C) Cross -checking information
- 3. A polygraph examiner asked ambiguous questions that confused the subject, What factor aftected the result?
A) Question clarity
B) Physical abuse
C) Instrumentation
- 4. The examinee intentionally changed his breathing
pattern during the examination. What is this called?
A) Calibration
B) Countermeasure
C) Nervous reaction
D) Baseline response
- 5. Loud noises outside the examination room distracted the examinee. Which factor influenced the result?
A) Examiner bias
B) Environment
C) Instrument defect
D) Subject fatigue
- 6. A suspect was tested despite having fever and beadache. What limitation was violated?
A) Subject fitness
B) Testing scoring
C) Examiner competence
D) Instrument calibration
- 7. The examiner explained the process before attaching the instruments. What phase is this?
A) Interrogation
B) Post-test
C) Actual test
D) Pre-test interview
- 8. “Did you steal the wallet?" is an example of what type of question?
A) Relevant
B) Irrelevant
C) Control
D) Emotional
- 9. “Is your name Mark Reyes?" is what type of guestion?
A) Irrelevant
B) Relevant
C) Control
D) Symptomatic
- 10. '‘Have you ever lied to avoid punishment?" is what type of quesion?
A) Admission-seeking
B) Relevant
C) Control
D) Irrelevant
- 11. The examiner used the polygraph to help identify truthful witnesses, What is the use of polygraph?
A) Investigative aid
B) Crime prevention
C) Court punishment
D) Medical treatment
- 12. The subject was forced to take the examination against his will. Which right was violated?
A) Right to appeal
B) Right to silence
C) Right to consent
D) Right to privacy
- 13. A subject moved constantly during the test, Why is this discouraged?
A) It's damages the machine
B) It delays the interview
C) It's affects chart tracing
D) It's changes the question
- 14. The examiner analyzed the charts and concluded that the subject was deceptive, What phase is this?
A) Actual test
B) Initial interview
C) Post-test interview
D) Question formulation
- 15. Which component records breathing patterns?
A) Galvanograph
B) Cardiosphygmograph
C) Pneumograph
D) Kymograph
- 16. Which component record galvanic skin response?
A) Pneumograph
B) Cardiosphygmograph
C) Galvanograph
D) Kymograph
- 17. Which component records blood pressure and pulse rate?
A) Pneumograph
B) Kymograph
C) Cardiosphygmograph
D) Galvanograph
- 18. Which component moves the chart paper?
A) Kymograph
B) Pneumograph
C) Cardiosphygmograph
D) Galvanograph
- 19. The examiner placed a “C” mark below the trace What does it mean?
A) Control question
B) Calibration
C) Confession
D) Coughing
- 20. The examiner marked 'M on the chart, What does this indicate?
A) Movement
B) Manipulation
C) Medication
D) Misconduct
- 21. The polygraph examination was conducted in the morning because the subject was well-rested, Why is this preferred?
A) Better lighting
B) Stronger physiological reactions
C) Shorter interview
D) Easier questioning
- 22. The examiner informed the subject of his
constitutional rights before the test, What phase is this?
A) Actual test
B) Post-test interview
C) Pre-test interview
D) Initial case interview
- 23. A subject drank alcohol before the examination.What effect may occur?
A) Faster chart movement
B) Better scoring
C) Reduced physiological reactions
D) Increased accuracy
- 24. A pregnant woman was scheduled for testing, What must first be considered?
A) Age of fetus
B) Educational attainment
C) Place of residence
D) Health condition
- 25. A 17-year-old agreed to the examination. What is additionally required?
A) Court order
B) Parental consent
C) Barangay clearance
D) Police approval
- 26. A subjcct was questioned continuously for several hours before the examination. What may happen?
A) Inconclusive results
B) Improved accuracy
C) Better chart makings
D) Stronger responses
- 27. The examiner observed deception through
physiological responses, Which nervous system becomes dominant during stress?
A) Parasympathetic
B) Sympathetic
C) Digestive system
D) Skeletal system
- 28. Which branch of the nervous systemı restores body to nomal condition after stress?
A) Somatic
B) Sympathetic
C) Parasympathetic
D) Respiratory
- 29. Which modern technology is also used in lie detection?
A) Fingerprint analysis
B) Voice stress analysis
C) DNA typing
D) Blood typing
- 30. Polygraph examination belongs to what field?
A) Forensic psychophysiology
B) Forensic anthropology
C) Biology
D) Criminological statistics
- 31. The examiner asked the subject to answer on or NO. Why?
A) To confuse the subject
B) To avoid chart distortion
C) To shorten the interview
D) To save time
- 32. The examiner attached the pneumograph first doeg it measure?
A) Skin resistance
B) Blood pressure
C) Pulse rate
D) Respiration
- 33. Which chart mark indicates outside noise?
A) M
B) SN
C) OSN
D) PJ
- 34. Which chart mark means the subject laughed?
A) B
B) Y
C) L
D) SZ
- 35. The examiner conducted further questioning after significant reactions appeared. What was the рuгроsе?
A) To establish baseline
B) To calibrate the machine
C) To obtain confession
D) To train the subject
- 36. A subject who refuses the test should be considered guilty
A) Sometimes true
B) False statement
C) True
D) Partially true
- 37. What type of question establishes normal physiological response?
A) Irrelevant
B) Control
C) Emotional
D) Relevant
- 38. Which question directly concerns the crime?
A) Irrelevant
B) Speak tension
C) Relevant
D) Control
- 39. What question compares reactions between truthful and deceptive responses?
A) Irrelevant
B) Control
C) Relevant
D) Emotional
- 40. The examiner reviewed all facts before preparing questions. What phase is this?
A) Initial interview with investigator
B) Actual test
C) Instrumentation
D) Post-test interrogation
- 41. During the examination, the subject requested to stop because he was experiencing chest pain. What should the examiner do?
A) Force the subject to answer
B) Ignore the complaint
C) Continue the test immediately
D) Stop the examination because the subject is unfit
- 42. The examiner explained to the subject how the polygraph machine works before starting the test whar right of the subject was obseryed?
A) Right to appeal
B) Right to silence
C) Right to explanation of the machine
D) Right to privacy
- 43. A suspect was denied the oportunity to refuse the examination. Which right was violaied?
A) Right to informed consent
B) Right to confrontation
C) Right to remain silent
D) Right to speedy trial
- 44. During the test, the examiner shouted and insulted the subject subjec repeatedly, Which right was violated?
A) Right against oral criticism or abuse
B) Right to legal counsel
C) Right to bail
D) Right to privacy
- 45. The examiner marked “OSN" on the chart, What does this indicate?
A) Subject objection
B) Outside noise
C) Oxygen shortage
D) Subject nervousness
- 46. while answering a question, the subjet suddenly sneezed. What chart marking should be used ?
A) SN
B) SZ
C) S
D) CT
- 47. The examiner noticed the subject moved his during questioning. What chart mark should written?
A) M
B) VC
C) ARM
D) IM
- 48. Which chart mark indicates that the subject cough during the examination?
A) C
B) B
C) SZ
D) CT
- 49. The examiner instructed the subject to regulate breathing. What chart marking is appropriate?
A) R
B) BI
C) VC
D) TI
- 50. The examiner placed ‘T-T on the chart, What does this mean?
A) Test terminated
B) Truthful test
C) Time tracking
D) Talking by the subject other than YES or NO
- 51. A subject who only slept for two hours before the test arrived very weak and sleepy. What limitation was violated?
A) Subject must avoid exercise
B) Subject must avoid coffee
C) Subject must avoid smoking
D) Subject must have enough sleep
- 52. Before the examination, the subject drank alcobol with friends. What possible effect may occur?
A) Increased truthfulness
B) Faster testing process
C) Improved chart tracing
D) Reduced physiological responses
- 53. The examiner postponed the test because the examince had a severe toothache. Wby?
A) Toothache prevent questioning
B) Toothache changes fingerprint
C) Toothache affects physiological reactions
D) Toothache damages the machine
- 54. Which component records thoracic and abdominal breathing?
A) Cardiosphygmograph
B) Pneumograph
C) Kymograph
D) Galvanograph
- 55. The electrodes were attached to the fingers to
measure skin resistance. Which component is used?
A) Pneumograph
B) Cardiosphygmograph
C) Kymograph
D) Galvanograph
- 56. The examiner wrapped a blood pressure cuff around the examinee's arm. Which component was being used?
A) Kymograph
B) Cardiosphygmograph
C) Pneumograph
D) Galvanograph
- 57. Which component controls the movement of chart paper during the examination?
A) Kymograph
B) Pneumograph
C) Cardiosphygmograph
D) Galvanograph
- 58. During the initial interview, the investigator
submitted sworn statements and crime scene sketches to the examiner. Why is this important?
A) To reduce chart markings
B) To improve handwriting
C) To prepare suitable question
D) To shorten the process
- 59. During the pre-test interview, the examiner observed the subject's behavior and emotional reactions. What was the purpose?
A) To calibrate the machine
B) To avoid chart marking
C) To provoke confession immediately
D) To evaluate suitability and reaction
- 60. During the pre-test interview, the examiner observed the subject's behavior and emotional reactions. What was the purpose?
A) To provoke confession immediately
B) To avoid chart marking
C) To evaluate suitability and reaction
D) To calibrate the machine
- 61. The examiner asked all prepared questions before the actual test to ensure understanding. Why?
A) To avoid confusion
B) To intimidate the subject
C) To force confession
D) To shorten the process
- 62. A subject repeatedly gave long explanations instead of YES or NO answers. What problem may occur?
A) Distortion in chart tracing
B) Faster interpretation
C) Better baseline readings
D) Clearer charts
- 63. After reviewing the charts, the examiner found no signs of deception and thanked the subject for cooperating, What phase is this?
A) Post-test interview
B) Initial interview
C) Instrumentation
D) Actual test
- 64. A subject became nervous when asked about stealing money from the office. What type of question was likely asked?
A) Neutral question
B) Control question
C) Irrelevant question
D) Relevant question
- 65. The examiner asked, ‘"Have you ever taken
something that did not belong to you?" What type of question is this?
A) Control
B) Irrelevant
C) Symptomatic
D) Relevant
- 66. The examiner asked, “Are the lights on in this room?” What type of question is this?
A) Control
B) Emotional
C) Relevant
D) Irrelevant
- 67. A truthful examinee reacted more strongly to questions than to relevant questions. What may this indicate?
A) Truthfulness
B) Machine defect
C) Deception
D) Examiner bias
- 68. Which is the primary purpose of polygraph examination?
A) To punish offenders
B) To determine truth or deception
C) To replace investigator
D) To imprison suspects
- 69. An investigator used polygraph examination to identify additional suspects involved in a robbery Which objective was achieved?
A) Identify other persons involved
B) Locate witnesses
C) Increase confession rate
D) Determine punishment
- 70. The examiner attempted to locate the hidden fire used in the crime through questioning. What objective is involved?
A) Establish baseline
B) Determine sentence
C) Located fruits or tools of the crime
D) Conduct interrogation
- 71. Which statement best describes the polygraph?
A) It is a scientific diagnostic instrument
B) It replaces criminal investigation
C) It directly detects lies
D) It automatically proves guilt
- 72. A polygraph examiner lacked proper training and misinterpreted the charts. Which factor affected ассuracy?
A) Subject movement
B) Question type
C) Testing environment
D) Examiner competence
- 73. A polygraph examiner lacked proper training and misinterpreted the charts. Which factor affected ассuracy?
A) Examiner competence
B) Subject movement
C) Question type
D) Testing environment
- 74. The subject remained calm even while lying because of unusual emotional control. Which factor affected the result?
A) Individual differences
B) Instrument calibration
C) Examiner bias
D) Testing environment
- 75. The examiner failed to calibrate the machine
correctly before the examination. What may happened?
A) Accurate reading
B) Improved chart movement
C) Faster testing
D) Unreliable recording
- 76. The examiner conducted the examination in a very hot room. Which factor may influence the results?
A) Chart marking
B) Testing question
C) Question type
D) Examiner training
- 77. Which statement explains why polygraph
examination cannot stand alone in solving crimes?
A) It is only an investigative aid
B) It works only for witness
C) It is too expensive
D) It cannot record reactions
- 78. A subiect who had taken sedatives produced weak physiological reactions. What was the likely result?
A) Higher possibility of inconclusive results
B) Faster chart interpretation
C) Stronger reaction
D) Immediate confession
- 79. Why should the accusation be explained to the subject before the examination?
A) To delay the process
B) To confuse the subject
C) To increase fear
D) To prepare and inform the subject properly
- 80. The examiner noticed excessive fetal movement causing pain to a pregnant subject, What should be done?
A) Ignore the condition
B) Continue the test
C) Stop or postpone the test
D) Increase questioning
- 81. A subject was physically abused before the examination. Why is this prohibited?
A) It weakens the examiner
B) It shortens the interview
C) It damages the machine
D) It affects physiological responses
- 82. During testing, the examiner placed a short vertical line below the tracing to indicate the start of a question. What is this called?
A) Calibration mark
B) Baseline mark
C) Deception mark
D) Stimulus mark
- 83. Which chart marking indicates the begimning point of the test?
A) XX
B) IM
C) X
D) BI
- 84. Which chart marking indicates the ending point of the test?
A) PJ
B) XX
C) X
D) TT
- 85. A paper jam occured during the examination. What chart marking should appear?
A) PJ
B) ARM
C) VC
D) M
- 86. Which chart marking indicates that the subject yawned?
A) Y
B) SN
C) S
D) B
- 87. The subject requested repetition of a question. What chart mark is used?
A) VC
B) CT
C) R
D) TT
- 88. Which chart marking means the examiner gave talking instructions?
A) TT
B) VC
C) TI
D) BI
- 89. Which chart mark indicates a voice change while answering?
A) PJ
B) IM
C) VC
D) ARM
- 90. A subject cleared his throat during testing, Which mark should be used?
A) CT
B) SZ
C) SN
D) S
- 91. Why is chart marking important during polygraph examination?
A) To prevent misinterpretation
B) To shorten questioning
C) To increase fear
D) To decorate the chart
- 92. Which statement best describes a polygram?
A) A medical report
B) A list of questions
C) A written confession
D) Complete record of tracing during examination
- 93. Cleve Backster is known for developing what procedure?
A) Uniform chart marking
B) Hypnosis testing
C) Dry rice test
D) Narcoanalysis
- 94. Why are irrelevant questions included in the examination?
A) To frighten the subject
B) To shorten the interview
C) To force confession
D) To establish baseline response
- 95. The examiner used broad emotionally stimulating questions unrelated to the specific crime, What type of question are these?
A) Relevant
B) Control
C) Irrelevant
D) Admission question
- 96. Which objective of polygraph examination helps investigators discover unwillingly hidden
information?
A) Replace witness testimony
B) Establish guilt automatically
C) Determine sentence
D) Gain valuable information from unwilling subjects
- 97. A subiect's anxiety caused strong reactions even while telling the truth, Which factor affected the result?
A) Question structure
B) Room temperature
C) Instrument calibration
D) Emotional condition
- 98. Which factor refers to differences in how people react to stress?
A) Individual differences
B) Testing environment
C) Instrumentation
D) Examiner competence
- 99. Why should a subject avoid smoking before the examination?
A) Smoking shortens the process
B) Smoking weakness the examiner
C) Smoking affects physiological responses
D) Smoking damages the chart
- 100. Which right allows the subject to know the reason for the examination?
A) Right to bail
B) Right to appeal
C) Right to explanation of the test
D) Right to silence
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