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Exam 1 EEG Exam Questions and Answers
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Exam 1 EEG Exam Questions and Answers
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Exam 1 EEG Exam Questions andAnswers
Alpha FMTR - Answers -F: 8-13 Hz
M: Sinusoidal, waxes & wanes, regular, symmetry & synchronous
T: Occipital, spreads to temporal and parietal
R: Attenuates with eyes open; accentuates with closed eyes; attenuates in drowse;
accentuate in hyperventilation
Beta FMTR - Answers -F: over 13 Hz
M: Sinusoidal, waxes & wanes; beating frequently; low amplitude; symmetrical
T: Frontal; generalized; fronto-central; posterior
R: Usually in drowse; burr hole in head; anxious; tranquilizers
Theta FMTR - Answers -F: 4-8 Hz
M: Variable amplitude; sometimes notched or arched; occur in runs/bursts
T: Temporal
R: accentuates during drowse
Delta FMTR - Answers -F: Less than 4 Hz
M: Variable; monomorphic
T: Frontal Central (diffuse and varied)
R: During stage III sleep' hyperventilation activation
Vertex FMTR - Answers -F: 4-7 Hz (less than 1/2 second)
M: Sharp wave; high amplitude; transient; 70-200 uV
T: Central vertex: Cz, C3, C4; can spread to Fz & Fpz
, R: Drowse, late stage I- stage II; make noise in stage II
Sleep spindles FMTR - Answers -F: 11-15 Hz
M: synchronous & symmetrical; sinusoidal; asynchronous before age 2
T: Cz, C3, C4; can spread to Fz, F3, F4
R: Stage II; maybe stage III
K complex FMTR - Answers -F: 2 Hz or less (greater than 1/2 second)
M: combination of vertex sharp waves & sleep spindles; PSG: wide delta wave
T: Cz, Fz
R: Stage II sleep
Slow Rolling EM FMTR - Answers -
Stage 1 sleep - Answers -*Alpha attenuates
*Slow rolling eye movement
Increase Beta
POSTS
Theta accentuates
14+6
SSS
RMTD
Vertex
Stage 2 sleep - Answers -K-complex
Sleep spindles
stage 3 sleep - Answers -High amplitude delta
5 seconds`
REM - Answers -Rapid Eye Movement
Low amplitude; mixed frequency
Low chin tone
Saw tooth waves
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