Ms. Blue visits her local optometrist for her 2-year complete visual screening exam that includes visual field, visual acuity, ocular alignment, and color vision exams

Leo is a high-school student who frequently brags to his classmates about how many dates he has had and how fast his car goes. How is Leo meeting his social needs?

Which of the following is the inability to maintain an erection long enough to complete sexual intercourse? 

A. Testicular cancer B. Impotence C. Prostate cancer D. Prostatitis E. Benign prostatic hypertrophy