NEED ASAP!! which of the following statements are true when it comes to impairment?

A. You are either impaired or you are not.
B. There are degrees of impairment.
C. Impairment only matters at high levels.

the correct answer is: " ventricles " .

"recent advances in brain imaging have allowed clinicians to make scientifically useful comparisons in the relative size of the chambers in the brain that are filled with cerebrospinal fluid."

{source: refer to text within question.}.

these chambers are called ventricles .