58. Delta waves are seen during a. deep sleep b. real sleep c. light sleep d. RE

Question

58. Delta waves are seen during a. deep sleep b. real sleep c. light sleep d. REM Sleep 59. Sleep spindles happens during this stage of sleep a. fourth b. first c. third d. second 60. A sudden irresistible sleep attack when one is rested is called a. cataplexy b. insomnia c. epilepsy d. narcolepsy 61. REM sleep helps us process a. physical fatigue b. drug problems c. psychological problems d. addiction problems 62. Smoking marijuana can a. stimulate brain development b. inhibit a person's moods c. increase male sex hormone levels d. impair motor coordination, reaction time, perception and memory 63. Nicotine, cocaine, caffeine are all a. hallucinogens b. stimulants c. depressants d. narcotics 64. Attempts to help alcoholies stay 'dry' have involved a self-help group called a. one day at a time b. its now or never c. Alcohol Anonymous d. Narcotic Anonymous

Explanation / Answer

58. a. deep sleep

Delta waves are associated with the deep stage 3 of Non-rapid eye movement sleep (NREM). These waves are brain waves with high amplitude and operate at a frequency between 0.5–4 hertz.

59. d. second

A sleep spindle is a sudden burst of oscillatory brain activity during stage 2 of NREM sleep. The frequency of these brainwaves ranges between 10 –12 hertz and they occur for at least 0.5 seconds.

60. d. narcolepsy

Narcolepsy is characterized by abnormal REM sleep and excessive daytime sleepiness that occurs even after having sufficient sleep time at night. People with narcolepsy feel tired throughout the day and often fall asleep at inappropriate times and places.

61. c. psychological problems

REM is closely associated with dreams, creativity, and other psychological events. (Please check.)

62. d

Smoking marijuana has short-term side effects such as impaired motor skills, poor short-term memory, and feelings of anxiety or paranoia. In the long term, it may lead to decreased mental ability.

63. b. stimulants

Caffeine is a stimulant of the central nervous system (CNS), nicotine is a potent parasympathomimetic stimulant, and cocaine is a strong stimulant often consumed as a recreational drug.

64. c. Alcohol Anonymous

These groups conduct programs and sessions to help alcoholics deal with addiction problems.

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