The Patient Has Been in the Critical Care Unit for 3

question 12

Multiple Choice

The patient has been in the critical care unit for 3 weeks and has been on an intra-aortic balloon pump for the past 3 days.The patient's condition has been serious, and hourly assessments and vital signs have been necessary.The nursing staff has noted that the patient has been unable to achieve sleep for more than 30 minutes at a time.The patient has been given diazepam (Valium) prn.The anticipated effect of diazepam on the patient's sleep is

• A) a decrease in NREM stage 1.
• B) an increase in NREM stage 3.
• C) total NREM suppression.
• D) REM suppression in larger doses.

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Definitions:

High-low Method

An accounting technique used to estimate variable and fixed costs by analyzing the lowest and highest levels of activity and their associated costs.

Mixed Cost

An expense that contains both fixed and variable components, changing in total with the level of activity but not in a directly proportional manner.

High-low Method

A method employed in accounting that calculates variable and fixed expenses by analyzing the maximum and minimum activity levels.

Variable Manufacturing Cost

Costs that vary in direct proportion to the changes in production volume, including direct materials, direct labor, and variable manufacturing overhead.