The Science of Sleep Drowsiness in sleep deprived drivers causes more than _____

Question

The Science of Sleep Drowsiness in sleep deprived drivers causes more than _______ deaths each year. 500 1, 500 5,000 10,000 Which of the following internal influences controls the sleep-wake cycle of sleep? Homeostasis Homeopathy Circadian Rhythm A & C B & C When we are awake, blood levels of ______ ______ continuously, resulting in a growing need for sleep. Adenosine increase Melatonin increase Adenosine decrease Melatonin decrease The biological clock that consists of a group of neurons in the hypothalamus is called the: Supraoptic nucleus Paraventricular nucleus Suprachiasmatic nucleus Ghrelin EEG measurements during NREM sleep: Get slower and have low amplitude Get faster and have low amplitude Get faster and have greater amplitude Get slower and have greater amplitude

Explanation / Answer

1.option C

1500 people die of accidents due to sleep deprivation

2.option D.

homeostasis and circadian rhythm control the sleep cycle

3.option B

Melatonin increased secretion happens as it becomes dark and the urge to sleep increases. Secretion of Melatonin decreases in the presence of light.

4.option C

Suprachiasmatic nucleus is a group of 20000 neurons. It is present just above the optic chiasma. Hence the name supraopticchiasma.

5.option D

Non rapid eye movement is the first stage of sleep followed by the rapid eye movement. NREM has again 4stages.in these stages the amplitude increases and becomes slower

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