A Widower Reports an Inability to Achieve and Sustain an Erection

A widower reports an inability to achieve and sustain an erection. He fears intimacy, has become isolative, has insomnia, and has lost weight over the past year. Which nursing diagnosis should be a priority for this client?

A) Risk for situational low self-esteem R/T lack of intimacy
B) Sexual dysfunction R/T dysfunctional grieving
C) Social isolation R/T low self-esteem
D) Disturbed body image R/T penile flaccidity