CPE CPE Instrument Technology

Question 1

What component of a polygraph instrument measures changes in respiratory patterns?

Accepted Answer

Pneumograph

Answer

Galvanograph

Answer

Cardio cuff

Answer

Plethysmograph

Question 2

Which polygraph component records electrodermal activity (skin conductance)?

Accepted Answer

Galvanic skin response sensor

Answer

Cardio cuff

Answer

Pneumograph

Answer

Plethysmograph

Question 3

What does the cardiorespiratory channel on a computerized polygraph system primarily measure?

Accepted Answer

Relative blood pressure and pulse rate changes

Answer

Blood oxygen levels

Answer

Core body temperature

Answer

Respiratory CO2 levels

Question 4

In computerized polygraph systems, what is the typical minimum sampling rate recommended for accurate physiological data capture?

Accepted Answer

50 Hz

Answer

25 Hz

Answer

100 Hz

Answer

200 Hz

Question 5

Which sensor placement on a computerized polygraph records finger pulse volume?

Accepted Answer

Plethysmograph

Answer

Cardio cuff

Answer

Pneumograph

Answer

EDA electrode

Question 6

What is the purpose of the 'artifact channel' available in some computerized polygraph systems?

Accepted Answer

Detecting and documenting subject movement

Answer

Recording ambient room temperature

Answer

Measuring examiner stress levels

Answer

Logging audio from the interview