EEG BOARD EXAM 2025/2026 | ACTUAL EXAM
PREPARATION GUIDE | VERIFIED QUESTIONS & ANSWERS
| FULLY UPDATED STUDY GUIDE WITH DETAILED
RATIONALES
SECTION 1: EEG INSTRUMENTATION AND ELECTRICAL PRINCIPLES
1. The basic unit for measuring current flow is:
A. Atomic weight
B. Coulomb
C. Volt
D. Ampere
Answer: D
2. The basic unit of resistance is:
A. Ohm
B. Volt
C. Ampere
D. Coulomb
Answer: A
3. Which of the following is NOT a unit for measuring alternating frequencies?
A. Hertz
B. Cycles per second
,C. Ohm
D. Hz
Answer: C
4. What is the relationship between voltage, current, and resistance as defined by Ohm's
Law?
A. V = I × R
B. V = I / R
C. V = R / I
D. V = I + R
Answer: A
5. The EEG amplifier is designed so that when input 1 is more negative than input 2, the
deflection will be:
A. Upward
B. Downward
C. No deflection
D. Alternating
Answer: B
6. A differential amplifier amplifies:
A. The sum of the two input signals
B. The difference between the two input signals
C. Only the signal from input 1
D. Only the signal from input 2
Answer: B
, 7. The common mode rejection ratio (CMRR) in an EEG amplifier refers to:
A. The amplifier's ability to amplify differential signals while rejecting common signals
B. The ratio of gain for input 1 versus input 2
C. The maximum voltage the amplifier can handle
D. The frequency response of the amplifier
Answer: A
8. What is the typical input impedance of a modern EEG amplifier?
A. 1-10 kΩ
B. 10-100 kΩ
C. 1-10 MΩ
D. 100-1000 MΩ
Answer: D
9. Which filter setting creates a very narrow band pass that should rarely be used clinically?
A. 1-70 Hz
B. 0.5-70 Hz
C. 5-15 Hz
D. 0.1-100 Hz
Answer: C
10. The time constant of an EEG system is determined by:
A. The high frequency filter
B. The low frequency filter
C. The sensitivity setting
D. The electrode impedance
PREPARATION GUIDE | VERIFIED QUESTIONS & ANSWERS
| FULLY UPDATED STUDY GUIDE WITH DETAILED
RATIONALES
SECTION 1: EEG INSTRUMENTATION AND ELECTRICAL PRINCIPLES
1. The basic unit for measuring current flow is:
A. Atomic weight
B. Coulomb
C. Volt
D. Ampere
Answer: D
2. The basic unit of resistance is:
A. Ohm
B. Volt
C. Ampere
D. Coulomb
Answer: A
3. Which of the following is NOT a unit for measuring alternating frequencies?
A. Hertz
B. Cycles per second
,C. Ohm
D. Hz
Answer: C
4. What is the relationship between voltage, current, and resistance as defined by Ohm's
Law?
A. V = I × R
B. V = I / R
C. V = R / I
D. V = I + R
Answer: A
5. The EEG amplifier is designed so that when input 1 is more negative than input 2, the
deflection will be:
A. Upward
B. Downward
C. No deflection
D. Alternating
Answer: B
6. A differential amplifier amplifies:
A. The sum of the two input signals
B. The difference between the two input signals
C. Only the signal from input 1
D. Only the signal from input 2
Answer: B
, 7. The common mode rejection ratio (CMRR) in an EEG amplifier refers to:
A. The amplifier's ability to amplify differential signals while rejecting common signals
B. The ratio of gain for input 1 versus input 2
C. The maximum voltage the amplifier can handle
D. The frequency response of the amplifier
Answer: A
8. What is the typical input impedance of a modern EEG amplifier?
A. 1-10 kΩ
B. 10-100 kΩ
C. 1-10 MΩ
D. 100-1000 MΩ
Answer: D
9. Which filter setting creates a very narrow band pass that should rarely be used clinically?
A. 1-70 Hz
B. 0.5-70 Hz
C. 5-15 Hz
D. 0.1-100 Hz
Answer: C
10. The time constant of an EEG system is determined by:
A. The high frequency filter
B. The low frequency filter
C. The sensitivity setting
D. The electrode impedance
