A 68-Year-Old Is Admitted to the Emergency Department with a Diagnosis

question 27

Multiple Choice

A 68-year-old is admitted to the emergency department with a diagnosis of polycythemia vera (PV) . In this condition, what are the symptoms a result of?

• A) A decreased erythrocyte count
• B) Rapid blood flow to the major organs
• C) Increased blood viscosity
• D) Vessel injury

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Definitions:

Event Manipulations

Techniques used to alter events or experiences in an experimental setting in order to examine their effects on the outcome.

Videotapes

A medium for recording and playing back visual and auditory information, traditionally using magnetic tape, although largely obsolete in the modern digital era.

Confederates

Individuals who act as part of a study's procedure but are secretly working with the researchers, often used in psychological experiments to manipulate social situations.

Staged Manipulation

The deliberate modification or control of variables in an experiment to investigate their effects on other variables.