A Patient Is Admitted to the Emergency Department with a Diagnosis

question 2

Multiple Choice

A patient is admitted to the emergency department with a diagnosis of polycythemia vera (PV) .Which treatment should the nurse discuss with the patient?

• A) Therapeutic phlebotomy
• B) Restoration of blood volume by plasma expanders
• C) Administration of packed red blood cells
• D) Iron replacement therapy

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Definitions:

Alternative Hypothesis

The hypothesis that proposes a specific relationship between variables, contrary to the null hypothesis.

Directional Hypothesis

A hypothesis that specifies the direction of the expected difference or relationship between two variables.

Null Hypothesis

A statement in statistics that there is no significant difference or effect, and any observed difference is due to sampling or experimental error.

Alternative Hypothesis

A statistical hypothesis that suggests a difference or effect, opposite to the null hypothesis.