PS101 Study Guide - Midterm Guide: Narcolepsy, Waking Hours, Thalamus
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Practice test #6 - ps101c/e- october, 2013: circadian rhythms are biological cycles that are: D - on a seasonal cycle: the day-night cycle resets the human biological clock when light causes receptors in the retina to direct input to the_________of the__________: D - suprachiasmatic nucleus; hypothalamus: which of the following hormones plays a key role in adjusting the day-night cycle: D - thyroxine: rem sleep is characterized by all of the following except: If you normally sleep 8 hours each night and last night you only slept for 6 hours, which stage of sleep would be most affected by the loss of total sleep time: D - rem: the midday napping practices of siesta cultures are adaptive because the siestas allow individuals: A - a necessary break from their extremely physical labor. B - to sleep at the same time as their infants sleep. C - time to digest their large midday meal.
