EEG 101 FINAL EXAM QUESTIONS WITH CORRECT ANSWERS

1. _____ is seen in the central regions during Stage II sleep. a. Beta b. Theta c. Sleep Spindles d. Polymorphic Delta CORRECT ANSWER c. Sleep spindles 2. Which filter is used to eliminate artifact caused by electrical interference? a. 10 Hz b. 15 Hz c. 35 Hz d. 60 Hz e. 70 Hz CORRECT ANSWER d. 60 Hz is specific in eliminating electrical or 60Hz artifact 3. A spike that has a frequency of 16 Hz has a duration of a. .06 sec. b. .6 sec. c. .6 milliseconds d. 600 milliseconds CORRECT ANSWER a. .06 sec. Duration = 1 divided by the duration 4. All of the following are true of alpha EXCEPT a. is a frequency of 9-10 Hz in the alert, awake adult b. is seen in the posterior head regions c. attenuates with eye opening and accentuates with eye closing d. is frequently seen in the front-central regions of the alert, awake adult CORRECT ANSWER d. is frequently seen in the front-central regions of the alert, awake adult 5. What affect would be changing the HF from 70Hz to 30Hz have on a spike and wave complex? a. no affect