NURS 663 EXAM2 WITH COMPLETE SOLUTIONS 2023/2024.

NURS 663 EXAM2 WITH COMPLETE SOLUTIONS 2023/2024. What is sleep - CORRECT ANSWER-- dynamic and regulated set of behavioral and physiological states during which many processes vital to health and well being take place Good sleep is essential for - CORRECT ANSWER-- good health - treat it as a priority What are the different stages of sleep - CORRECT ANSWER-- light sleep - deep sleep -REM - dreaming Being asleep affects - CORRECT ANSWER-- physiological and mental activity - brain waves - eye movements - muscle tension - core body temp - blood pressure - level of consciousness - dreams Without enough sleep we experience - CORRECT ANSWER-- physical, emotional and mental symptoms - these can become worse with time Short term lack of sleep affects - CORRECT ANSWER-- judgment - mood - ability to learn and retain information - may increase risk of serious accidents and injury Long term lack of sleep - CORRECT ANSWER-- contributes to increased risk of chronic disease - obesity - diabetes - cardiovascular disease - early mortality Our sense of well-being depends on - CORRECT ANSWER-- sleep What goes on during sleep - CORRECT ANSWER-- brain consolidates learning and tries to prepare us for ongoing life challenges - physical processes occur - emotional sorting - mental connections made, even insights 2-Process Model of Sleep/Wake Regulation - CORRECT ANSWER-- sleep homeostasis - circadian rhythms Sleep homeostasis - CORRECT ANSWER-- internal drive - pressure to sleep increases throughout the day until an internal threshold is crossed causing sleep - waking occurs when homeostatic drive decreases sufficiently to cross opposite threshold Circadian rhythms - CORRECT ANSWER-- cyclical changes that occur over a 24 hour period drive by an internal biological clock - synchronized to external physical enviornment Where is the internal biological clock located - CORRECT ANSWER-- suprachiasmatic nucleus (SCN) Sleep is vital for - CORRECT ANSWER-- learning and memory We need quality sleep to be able to - CORRECT ANSWER-- concentrate We need enough sleep to - CORRECT ANSWER-- feel rested and energized Optimum sleep - CORRECT ANSWER-- no