Which Self-Retaining Retractor Has the Shape of a Figure-Of-Eight (8)

question 13

Multiple Choice

Which self-retaining retractor has the shape of a figure-of-eight (8) when in the closed position?

• A) Balfour
• B) Franz
• C) Gelpi
• D) O'Sullivan-O'Connor

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Definitions:

Independent Variable

The variable that is manipulated or changed in an experiment to test its effects on the dependent variable.

Dependent Variable

In an experiment, the variable that is measured or tested and is expected to change as a result of manipulations to the independent variable.

Interrelated Ideas

Concepts or thoughts that are connected in such a way that they influence or impact each other.

Observations

The action or process of closely monitoring or noting phenomena or data for the purpose of scientific inquiry or gathering information.