A Man Was Diagnosed with Benign Prostatic Hyperplasia (BPH)

A man was diagnosed with benign prostatic hyperplasia (BPH) . For which reason should the nurse measure this man's blood pressure?

A) To determine tolerance for terazosin (Hytrin)
B) To calculate the dose of tadalafil (Cialis)
C) To measure the volume of residual urine
D) To identify if surgery is indicated