While Serving as a Subject in a Laboratory Sleep Study

question 87

Multiple Choice

While serving as a subject in a laboratory sleep study for several nights, Steve was awakened whenever he entered REM sleep. As the number of nights in the study increased, Steve

• A) increased the total number of hours he slept each night.
• B) reduced the total number of hours he slept each night.
• C) would enter REM sleep more and more frequently.
• D) would enter REM sleep less frequently.

---

Definitions:

Cost Of Goods Sold

The direct expenditures involved in producing the products a company sells, namely labor and materials costs.

Adjusted Cost Of Goods Sold

The cost of goods sold after adjustments for changes in inventory levels, returned goods, and possibly other factors affecting the cost of sales.

Materials Price Variance

The difference between the actual cost of materials used in production and the standard cost that was expected or budgeted.

Labor Efficiency Variance

The difference between the actual hours worked and the standard hours expected to produce a certain amount of goods, multiplied by the standard labor rate, indicating efficiency in labor use.