A 30-year-old male patient was seen by the emergency service and repoed a 2-week history of a penile ulcer. He noted that this ulcer did not hu. Which one of the following conclusions/actions is most valid?
A
Draw blood for a herpes antibody test
B
Perform a dark-field examination of the lesion
C
Prescribe acyclovir for primary genital herpes
D
Even if treated, the lesion will remain for months