Elevated Urinary Levels of 11-Dehydrothromboxane B₂ Identify Patients Who Are

question 7

Multiple Choice

Elevated urinary levels of 11-dehydrothromboxane B₂ identify patients who are:

• A) At risk for heparin-induced thrombocytopenia
• B) Overanticoagulated with warfarin
• C) Resistant to aspirin antiplatelet therapy
• D) Resistant to direct thrombin inhibitors

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Definitions:

Standard deviation

A measure that quantifies the amount of variation or dispersion of a set of data values.

Population standard deviation

A measure of the dispersion of a set of data from its mean, calculated for the entire population.

Confidence interval

A range of values, derived from the sample statistics, that is likely to contain the value of an unknown population parameter.

Confidence interval

An estimated range of values calculated from sample data that is likely to include the true population parameter with a specified level of confidence.