A 76-year-old with benign prostatic hyperplasia (BPH) is agitated and confused, with a markedly distended bladder. Which intervention prescribed by the health care provider should the nurse implement first?
A.Insert a urinary retention catheter.
B.Schedule an intravenous pyelogram (IVP).
C.Draw blood for a serum creatinine level.
D.Administer lorazepam (Ativan) 0.5 mg PO.