Final answer:
The correct documentation statement indicating a normal assessment of the perianal area is: Anus moist, color darker than adjacent tissues. No lesions or discharge. Opening tightly closed.
Step-by-step explanation:
The correct documentation statement indicating a normal assessment of the perianal area is:
a. Anus moist, color darker than adjacent tissues. No lesions or discharge. Opening tightly closed.
This documentation statement describes a perianal area with normal moisture level, proper color, no lesions or discharge, and a tightly closed opening. It indicates a healthy and normal condition of the perianal area.