Final answer:
The term for when the ear flap has filled with blood is 'd) Cauliflower ear.' It happens due to trauma or injury to the outer ear.
Step-by-step explanation:
The term that indicates the ear flap has filled with blood is d) Cauliflower ear. This condition typically occurs when the outer ear experiences trauma or injury causing blood vessels to break and the area to fill with blood.By contrast, the other terms provided refer to different ear-related conditions; otitis media is an infection of the middle ear, otalgia refers to ear pain, and otorrhea is the discharge of fluid from the ear.