What is the primary purpose of prescribing levetiracetam for a client undergoing surgery for a brain tumor?

The primary purpose of prescribing levetiracetam for a client undergoing surgery for a brain tumor is to prevent seizure development. Brain tumor surgeries can increase the risk of seizures due to the manipulation of brain tissue and alteration of normal brain electrical activity. Levetiracetam is an anticonvulsant medication that effectively stabilizes neuronal membranes and inhibits seizure activity, making it an essential part of preoperative management for patients at risk of seizures related to their tumors. This preventative approach helps reduce the incidence of perioperative seizures, which can complicate recovery and impact the overall outcome of the surgical procedure.

The other options pertain to different medical concerns that do not align with the specific role of levetiracetam in this context. It does not directly destroy tumor cells, prevent blood clots, or reduce swelling around tumors, which are managed by other interventions or medications.