A Patient Who Has an Exacerbation of Ulcerative Colitis Is

question 15

Multiple Choice

A patient who has an exacerbation of ulcerative colitis is having 15 to 20 stools daily and has excoriated perianal skin. Which patient behavior indicates that teaching regarding maintenance of skin integrity has been effective?

• A) The patient uses incontinence briefs to contain loose stools.
• B) The patient asks for antidiarrheal medication after each stool.
• C) The patient uses witch hazel compresses to decrease anal irritation.
• D) The patient cleans the perianal area with soap and water after each stool.

Comprehend the role and importance of randomization in studies.

Recognize the relevance of control groups in experimental design.

Identify the principles of experimental design: control, randomization, and replication.

Grasp the concept and application of blocking in experiments.

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Definitions:

Regression SSR

The sum of squared deviations of predicted values from the mean of the dependent variable in regression analysis, indicating the variability explained by the regression.

Standard Error

The standard deviation of the sampling distribution of a statistic, typically the mean.

Dependent Variable

A variable in an experiment or study whose changes are subject to the variations in other variables (independent variables).

Predicted Values

The values estimated based on a statistical model that represents the expected outcome for a given set of input variables.