After Telling Your Friends About the Role of Light in the Sleep-Wake

question 82

Multiple Choice

After telling your friends about the role of light in the sleep-wake cycle,one of them asks about blind people.You mention:

• A) that nearly all blind people have serious problems with their sleep-wake cycle
• B) all blind people must use auditory cues of time passage
• C) the pathway for vision and for circadian rhythms are separate
• D) blindness causes profound disturbances in sleeping that must be treated with hormone injections

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Definitions:

Consumption

The process by which goods and services are used up by consumers, representing the end phase of the economic cycle.

Income

Financial gains, customarily on a constant basis, from vocational activities or investments.

Interest Rate

The percentage charged on a sum of money borrowed or earned on deposited funds over a period of time.

Utility Function

A representation in economics that shows the relationship between the utility (satisfaction) individuals receive from consuming goods and services and different consumption bundles.