Exam Questions with Correct Answers
(Verified Answers) plus Rationales 2026
Q&A | Instant Download Pdf
1. An examiner notices inconsistent physiological responses across charts. The
BEST next step is to:
A. Ignore the inconsistency
B. Re-evaluate test conditions and chart validity
C. Immediately declare deception
D. Destroy the charts
Answer: B
Rationale: Inconsistencies require review of conditions, technique, and data
validity before conclusions are drawn.
2. A polygraph examiner must ensure that all equipment is:
A. Borrowed as needed
B. Properly calibrated and functioning before use
C. Used without testing
D. Shared without cleaning
Answer: B
Rationale: Proper calibration ensures accuracy and reliability of results.
3. Which is a key purpose of the pre-test interview?
A. Intimidate the examinee
B. Establish rapport and explain procedures
,C. Skip consent requirements
D. Interpret charts early
Answer: B
Rationale: The pre-test interview prepares the examinee and ensures
understanding.
4. A relevant question should be:
A. Emotionally charged
B. Directly related to the issue under investigation
C. Confusing
D. Irrelevant to the case
Answer: B
Rationale: Relevance ensures valid interpretation of physiological responses.
5. Which of the following is considered a comparison question?
A. “Did you steal the money?”
B. “Before age 18, did you ever lie to avoid punishment?”
C. “What is your name?”
D. “Where were you born?”
Answer: B
Rationale: Comparison questions are broad and unrelated to the specific issue.
6. The examiner must avoid:
A. Proper documentation
B. Suggestive questioning
C. Equipment calibration
D. Pre-test explanation
Answer: B
Rationale: Suggestive questioning can bias results and compromise validity.
, 7. Which physiological channel measures cardiovascular activity?
A. Pneumograph
B. Electrodermal sensor
C. Blood pressure cuff system
D. Voice recorder
Answer: C
Rationale: Cardiovascular activity is measured through blood pressure and pulse
monitoring.
8. A valid polygraph examination requires:
A. Informed consent
B. Public observation
C. Media presence
D. No explanation
Answer: A
Rationale: Consent must be informed and voluntary.
9. If an examinee is physically ill during testing, the examiner should:
A. Continue regardless
B. Postpone or terminate the examination
C. Ignore symptoms
D. Mark deception
Answer: B
Rationale: Physical condition can affect physiological accuracy.
10. The MOST important characteristic of an examiner is:
A. Aggressiveness
B. Objectivity