Which of the following brain waveforms are present during wakefulness? 1. Alpha waves 2. Beta waves 3. Relatively low-voltage, mixed-frequency waves 4. Delta waves
a. 1 and 2 c. 3 and 4
b. 2 and 3 d. 1, 2, and 4
ANS: A
An electroencephalogram shows that alpha waves and beta waves are present during wakefulness and diminish as the sleeper's electroencephalogram converts to relatively low-voltage, mixed-frequency waves. Delta waves are present during slow-wave sleep or the deepest stages of non-REM sleep.
You might also like to view...
When performing pump testing from a static water source, the intake hose strainer should be at least _____ feet below the surface
A. 2 B. 4 C. 6 D. 10
This implanted port can be accessed by a ____ needle, a noncoring needle with a 90-degree angle midshaft to permit easier entry.
A. jejunostomy B. gastrostomy C. suprapubic D. Huber
___________ is/are a wide-scale, rapidly contagious infectious disease
A. Acts of terrorism C. Chemical terrorism B. Bioterrorism D. A pandemic
Code 33533 for coronary artery bypass, using venous grafts and arterial grafts with 2 venous grafts
A) True B) False