Section: NCLEX

42) To evaluate a patient’s hydration status, the nurse should check the patient’s

1. erythrocyte sedimentation rate (ESR).
2. white blood cell count (WBC).
3. hematocrit (Hct).
4. serum glucose.

relative volume of plasma to RBC increases with dehydration.
normal:
men 40–45%
women 37–45%

Other tests that indicate hydration:
BP, urine specific gravity (normal: 1.003–1.030), CVP (normal: 3–11 cmH2O)