The nurse would anticipate that a client with erectile dysfunction (ED) would be prescribed which of ...

1. Sildenafil (Viagra)
2. Vardenafil (Levitra)
3. Tadalafil (Cialis)

Rationale:
Sildenafil (Viagra) works to relax the smooth muscles in the penis, allowing increased blood flow to the penis resulting in an erection. Vardenafil (Levitra) works to relax the smooth muscles in the penis, allowing increased blood flow to the penis resulting in an erection. Tadalafil (Cialis) works to relax the smooth muscles in the penis, allowing increased blood flow to the penis resulting in an erection. Buspirone (Buspar) is an antianxiety agent and is not effective for ED. Methylphenidate (Ritalin) is a mild central nervous system stimulant and is not effective for ED.