Researchers at State University conducted some carefully controlled sleep restriction studies. Their results are likely to demon
strate that: A) research participants will easily adapt to the four-hour-per-night sleep schedule by the end of the first week and will show no cognitive or physical impairments over the course of the experiments.
B) there will be some beneficial effects in terms of memory consolidation, reaction time, and immune system functioning in the majority of participants.
C) immune system functioning, concentration, vigilance, reaction time, memory skills, and ability to gauge risk will be diminished in most participants.
D) there is no evidence to support the notion that REM and NREM sleep deprivation result in REM and NREM rebound effects
The literature recommends 8 hours of sleep daily, there is no evidence that it shows benefits in less time, what happens when this is altered, is modification of the circadian cycle, which causes harmful neuroimmunohumoral changes.
A 31-year-old patient tells the nurse that he has noticed a progressive loss in his hearing. he says that it does seem to help when people speak louder or if he turns up the volume. the most likely cause of his hearing loss is :
Otosclerosis is a common cause of conductive hearing loss in young adults between the ages of 20 and 40 years.
