An Older Male Adult Comes to a Primary Care Setting

Multiple Choice

An older male adult comes to a primary care setting, and his reason for seeking health care is to get a prescription for sildenafil (Viagra) .Which laboratory report can help to explain why this individual needs sildenafil?

A) Serum potassium 4.5 mEq/L
B) Prothrombin time 13 seconds
C) Hemoglobin 140-180 g/L (14.0-18.0 g/dL)
D) Glycosylated hemoglobin (Hgb A1c) over 8%