A Patient in the Emergency Department with Sudden-Onset Right-Sided Weakness

question 8

Multiple Choice

A patient in the emergency department with sudden-onset right-sided weakness is diagnosed with an intracerebral hemorrhage. Which information about the patient is most important to communicate to the health care provider?

• A)The patient's speech is difficult to understand.
• B)The patient's blood pressure (BP) is 144/90 mm Hg.
• C)The patient takes a diuretic because of a history of hypertension.
• D)The patient has atrial fibrillation and takes warfarin (Coumadin).

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Definitions:

Critical Values

Points on the scale of the test statistic beyond which we reject the null hypothesis, depending on the chosen significance level.

F-ratio

A statistic used in ANOVA (Analysis of Variance) that compares the variation between group means to the variation within groups, evaluating whether group means are significantly different.

Critical Value

A threshold in hypothesis testing that defines the boundary between accepting or rejecting the null hypothesis, determined by the chosen significance level.

Level of Significance

A threshold set by the researcher which determines the probability of rejecting the null hypothesis when it is true, used in hypothesis testing.