NBSTSA Surgical Technology (ST) Practice Exam

The symptoms described—alterations in muscle tone, voluntary muscle coordination, gait, and balance—are primarily associated with the functions of the cerebellum. However, it’s important to consider that the cerebellum is located beneath the cerebrum, and any tumors affecting this area could lead to the symptoms mentioned.

While the given answer points to the cerebrum, if we focus on the symptoms pertaining specifically to coordination and balance, we would usually look primarily at the cerebellum for these functions. The cerebrum oversees more complex motor functions, cognitive processes, and voluntary movements, but the coordination and balance aspects are more directly managed by the cerebellum.

However, in the context of the question, if a tumor affects the cerebrum, it could influence higher-level processes that govern voluntary movement and might indirectly affect muscle coordination and tone due to involvement of the neurological pathways associated with motor control. Therefore, considering the broader role of the cerebrum in overall motor function and how it can influence muscle tone and coordination, it remains a plausible answer.

The diencephalon primarily contains structures for sensory and hormonal functions, the pons is involved in regulating respiration and communication between different parts of the brain, and the medulla controls