On December 1, a long-term care resident was readmitted from a six-day hospital stay. She is not Medicare eligible. The nurse assessment coordinator (NAC) completed a Significant Change in Status Assessment with an assessment reference date (ARD) of December 9 due to a decline in functional status. On December 30, the resident was readmitted to the hospital again, and the NAC completed an OBRA Discharge return anticipated assessment. The resident returned to the nursing facility on January 5. She has experienced a significant weight loss and is newly being administered oxygen at all times. In this situation, which of the following assessments should be completed next?