The Patient Requires a Support Surface to Help Prevent Pressure

question 18

Multiple Choice

The patient requires a support surface to help prevent pressure ulcers.The patient has a large open wound on his leg that is dressed daily.The nurse must choose which support surface would be most appropriate.In comparing the different types of support surfaces,the nurse realizes that:

• A) Water mattresses are better for patients with open wounds
• B) Air surface beds cannot be used if the patient needs CPR
• C) Water mattresses should be kept cool to lower body temperature
• D) Air mattresses are lighter than water mattresses

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Definitions:

Statistical Significance

Refers to the likelihood that a result or relationship is caused by something other than mere random chance.

Sample Size

The number of participants or observations included in a study, which can affect the reliability and validity of the research findings.

True Population Value

The actual value of a parameter (e.g., mean, proportion) for the entire population being studied, which research attempts to estimate.

Probability

A measure of the likelihood that an event will occur, represented numerically between 0 (impossible) and 1 (certain).