John Suffered an Incomplete Fracture of the Femur

question 35

Multiple Choice

John suffered an incomplete fracture of the femur.This means that the fracture:

• A)caused the bone to be in two pieces.
• B)occurred in an area of bone weakened by disease, such as cancer.
• C)has bone parts are out of line.
• D)does not extend completely across the bone; it is a hairline fracture.
• E)was to the coccyx area.

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Definitions:

Control Group

A control group is a group in an experiment that does not receive the experimental treatment, allowing researchers to measure the effect of the treatment by comparison.

Extraneous Variables

Factors other than the independent variable that can affect the outcome of an experiment and need to be controlled.

Experimental Group

The group in an experiment that receives the treatment or intervention under study to investigate its effects.

Independent Variables

Variables in an experiment that are manipulated to test their effects on dependent variables.