A Nurse Explains to a Patient with Chronic Pain That

question 13

Multiple Choice

A nurse explains to a patient with chronic pain that exercise may relieve some pain. The nurse goes on to explain that based on the gate control theory, exercise

• A) Stimulates the narrow nerve fibers to shut the gate.
• B) Stimulates the narrow nerve fibers to open the gate.
• C) Stimulates the broad nerve fibers to shut the gate.
• D) Stimulates the broad nerve fibers to open the gate.

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Definitions:

Complete Counterbalancing

An experimental design technique where all possible orders of presenting stimuli are used to control for order effects.

Matched Pairs Design

A method of assigning subjects to groups in which pairs of subjects are first matched on some characteristic and then individually assigned randomly to groups.

Matching Variable

A characteristic used to ensure that members of different groups in a study are similar on that particular attribute.

Dependent Variable

The variable in an experiment that is observed and measured, expected to change as a result of alterations to the independent variable.