88) ANSWER

B) Use good oral hygiene.

RATIONALE

The provision of good oral hygiene will reduce the chance of stomatitis, which is common in immunosuppressed clients with cancer, who are in need of this medication. There is no need to receive vitamin B₆ concurrently (option 1). Alopecia and elevated blood glucose levels (options 3 and 4) are not related to sargramostim. Note that the client has cancer, and is receiving chemotherapy. Since these clients are high-risk for stomatitis, try to prevent this complication of chemotherapy. This should lead to the option 2, which addresses prevention of stomatitis.