Problem: In assessing a hospitalized client 1 hour after receiving hydralazine (Apresoline) 20 mg PO, the nurse notes that the BP is 68/42. The client has been taking this medication for several years at home without difficulty. Which of the following factors most likely contributed to this episode of hypotension? a. Total fluid intake for the previous 24 hours is 1,000 mL. b. Heart rate is 145 beats per minute c. Serum potassium is 5.8 mEq/L. d. Dose is excessive for this medication.