Which of the following patients would be at greatest risk for the potential development of hypermagnesemia?
1
vote
C. 42-year-old woman with systemic lupus erythematosus and renal failure
A. 83-year-old man with lung cancer and hypertension
B. 65-year-old woman with hypertension taking -adrenergic blockers
D. 50-year-old man with benign prostatic hyperplasia and a urinary tract infection