The nurse who is counseling a client about the goal of therapy with sildenafil (Viagra) emphasizes that this drug will: 1. Always result in a penile erection within 10 minutes. 2. Not be effective if...

The nurse who is counseling a client about the goal of therapy with sildenafil (Viagra) emphasizes that this drug will:

1. Always result in a penile erection within 10 minutes.

2. Not be effective if dysfunction is psychological in nature.

3. Result in less intense feelings with prolonged use.

4. Heighten sexual response in female partners.