Regarding the Length of Most REM Dreams,which of the Following

question 141

Multiple Choice

Regarding the length of most REM dreams,which of the following statements is TRUE?

• A) Most REM dreams occur in an instantaneous flash, but are perceived as lasting a long time.
• B) The first REM dream lasts about 30 minutes.
• C) The last dream of the night only averages about ten minutes in length.
• D) REM sleep was discovered in 1952.

---

Definitions:

Marginal Cost

The cost of producing one additional unit of a product, highlighting the concept of incremental cost in production.

Fixed Cost

Costs that do not change with the level of output produced by a firm.

Lawn-mowing

The action of cutting the grass in a yard or garden using a lawn mower, often considered a routine maintenance task or a service industry.

Variable Costs

Expenses that change in proportion to the activity of a business such as costs for raw materials or production labor.