You are a sleep lab technician and are sorting through the records obtained the previous night. You found that at 1:20 a.m. EEG tracings showed low amplitude, high-frequency activity, and subject had very low muscle tone. Which of the following is likely?
A. She was difficult to awaken and did not report dreaming.
B. The subject was easily awakened and did not report dreaming.
C. Once she was awake she reported dreaming.
D. She was already awake at 1:20am.
Answer: C
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If there is a stroke in the motor portion of the left side of the brain, it affects muscles of the right side of the body. Why?
A. The fibers of the corticospinal tracts are ipsilateral. B. The fibers of the corticospinal tracts are contralateral. C. The fibers of the corticospinal tracts are unilateral. D. The fibers in the motor tracts do not decussate. E. The fibers of the tectospinal tracts are contralateral.
Most inspired particles such as dust fail to reach the lungs because of the ________.
A) ciliated mucous lining in the nose B) abundant blood supply to nasal mucosa C) porous structure of turbinate bones D) action of the epiglottis
In the word leuk/o/cyt/o/penia, the element "leuk" is the ________________________________________
Fill in the blank(s) with correct word
The ____________________ is the volume of blood pumped by each ventricle/minute
Fill in the blank(s) with correct word