A Cross‐sectional Study Finds That Skull Fracture Is Related to Hyperactivity.This

question 4

Multiple Choice

A cross‐sectional study finds that skull fracture is related to hyperactivity.This finding implies that

• A)hyperactivity increases the risk of head injury
• B)head injury increases the risk of developing hyperactivity
• C)other factors increase the risk of both head injury and hyperactivity
• D)any of the above may be true

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Definitions:

Locked-In Syndrome

Condition in which a patient is aware and awake but cannot move or communicate verbally because of complete paralysis of nearly all voluntary muscles except the eyes.

Brainstem

The central trunk of the brain, continuing downwards to form the spinal cord, which controls fundamental life functions such as breathing and heart rate.

Prefrontal Cortex

The front part of the frontal lobe of the brain, involved in decision making, problem solving, control of purposeful behaviors, consciousness, and emotions.

Spontaneous Movements

Movements occurring without conscious control or external stimuli, often seen in early development or neurological conditions.