While University Students May Sometimes Be an Exception,most Humans Sleep

question 58

Multiple Choice

While university students may sometimes be an exception,most humans sleep at night and are awake during the day.What maintains this relationship?

• A)The eye relays messages to the brain about light levels,which synchronizes the circadian rhythms to the day-night cycle.
• B)People get more exercise during daylight,which promotes alertness and wakefulness.
• C)Ambient air temperature is cooler at night,which triggers the body to sleep.
• D)Our internal biological clock is synchronized with the day-night cycle when we are born.

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Definitions:

Normal Good

A type of good for which demand increases when income increases, and falls when income decreases, but price remains constant.

Inferior Good

A type of good for which demand decreases as the income of individuals or the economy increases, opposite to what is observed with a normal good.

Law of Supply

It states that, all else equal, an increase in the price of a good or service will lead to an increase in the quantity supplied.

Law of Demand

An economic principle stating that the quantity demanded of a good decreases as its price increases, all else being equal, and vice versa.