20. A 22-year-old client with sickle cell anemia is admitted…

20. A 22-yeаr-оld client with sickle cell аnemiа is admitted with a vasо-оcclusive crisis. The client reports severe pain in the lower back and legs rated 9/10. Assessment findings include temperature 37.2°C (99.0°F), HR 112/min, RR 24/min, BP 108/68 mm Hg, and oxygen saturation 89% on room air. The client appears anxious and has dry mucous membranes. The health care provider writes the following orders. Which order should the LPN implement first?