A Nurse Is Caring for a Patient Who Is Orally

question 12

Multiple Choice

A nurse is caring for a patient who is orally intubated and receiving mechanical ventilation.To decrease the risk for ventilator-associated pneumonia,which action will the nurse include in the plan of care?

• A) Elevate head of bed to 30 to 45 degrees.
• B) Suction the endotracheal tube every 2 to 4 hours.
• C) Limit the use of positive end-expiratory pressure.
• D) Give enteral feedings at no more than 10 mL/hr.

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Definitions:

Margin of Error

An expression of the amount of random sampling error in a survey's results, indicating a confidence range within which the true value lies.

Sampling Error

The difference between a sample statistic and the corresponding population parameter, arising due to the fact that the sample is not a perfect representation of the population.

Biased Estimator

An estimator that, on average, does not equal the true parameter of the population, indicating a systematic error in estimation.

Population Parameter

A numerical value summarizing a characteristic of an entire population, such as mean or variance.