25. Lesioning the vIPOA in the anterior hypothalamus will cause: a. severe sleep

Question

25. Lesioning the vIPOA in the anterior hypothalamus will cause: a. severe sleeping sickness b. REM behavioral disorder e. narcolepsy d. severe insomnia 26. During a typical night of sleep, we spend more time in REM: a. during the early evening b. at midnight c during the morning d. REM is distributed equally throughout the night 27. Loss of orexin neurons in the posterior hypothalamus is associated with: a. narcolepsy b. sleeping beauty syndrome c. familial fatal insomnia d. exploding head syndrome 28. Using optogenetics to manipulate neuronal firing in the locus coeruleus (L.C), Carter and colleagues found that silencing LC neurons in a mouse exploring its environment did wha a. b. c. d. Reduced wakefulness and promoted NREM sleep Paralyzed the mice Increased alertness and exploration Accelerated the sleep cycles and increased REM sleep 29. The control of sleep and wakefulness describes by the "Flip-Flop" switch depends on what principal of neural function? a. Transcriptional feedback b. Spatial and temporal summation c. Runaway excitation d. Mutual inhibition 30. True or False: nearly every cell in the body contains a daily clock. a. True b. False 31. Early birds' and 'night otherwise referred to as their: ds" and "night owls" are expressions that refer a person's natural sleep-wake pattern, owlßs' are xssons that refer a person's natural sleep-wake patten, a. core loop b. chronotype c. horoscope d. circannual rhythm

Explanation / Answer

Answers:

25) D

Severe Insomnia.

26) C

During the morning

REM

27) A

Narcolepsy.

Narcolepsy is defined by frequent periods of sleepiness, Gradual or sudden attack of sleepiness. It caused by lack of hypothalamic cells that produce and release orexi

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