A nurse is caring for a 50-year-old client performing aerobic exercise in the cardiac rehabilitation office.
The nurse calculates the client's target heart rate as _______-_________.
Question 2
The nurse is reviewing laboratory values for a female client suspected of having a fluid imbalance. Which laboratory value evaluated by the nurse supports the diagnosis of dehydration?
A) Serum osmolality 230 mOsm/kg
B) Hematocrit 30
C) Hematocrit 53
D) Serum potassium 3.8 mEq/L