Stephanie reports to her physician that she suddenly cannot sleep because she is unable to tune out noises such as the humming of the refrigerator or an occasional car driving down the street. After undergoing an MRI, she finds out that she has a tumor in her ____.

Question

Quizplus · Accepted Answer

The reticular formation is involved in regulating sleep-wake cycles and filtering out background noise, so a tumor here could affect Stephanie's ability to tune out noises and sleep.

Stephanie Reports to Her Physician That She Suddenly Cannot Sleep