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A Control or "No Disease" Group Is Needed for Study

question 1

Multiple Choice

A control or "no disease" group is needed for study of oral cancer. The nurses conducting the study decide to use a group of patients with skin cancer because these patients are at the same facility, and the likelihood of developing oral cancer with skin cancer is low. However, this variable could still cause the disease being studied, as well as a potential limitation in the study. This variable would be called a(n) :

Definitions:

Aphasia

A disorder caused by damage to parts of the brain responsible for language, affecting speaking, reading, writing, or understanding language.

Prefrontal Cortex

The front part of the frontal lobes of the brain, involved in complex cognitive behavior, personality expression, decision making, and moderating social behavior.

Executive Functioning

A set of cognitive processes including working memory, flexible thinking, and self-control, that are necessary for managing oneself and one's resources to achieve a goal.

Forebrain

refers to the anterior part of the brain, including the cerebral hemispheres, thalamus, and hypothalamus, responsible for complex behaviors and functions.