Final answer:
The term 'otomicosis' is incorrectly spelled; the correct term is 'otomycosis'. Other terms such as labyrinthectomy, tympanorrhexis, and salpingotomy are correctly spelled. Therefore, the correct option is a.
Step-by-step explanation:
The term otomicosis is NOT spelled correctly. The correct spelling for the fungal infection of the ear is otomycosis. The other terms are spelled correctly: labyrinthectomy (a surgical procedure to treat inner ear disorders), tympanorrhexis (rupture of the eardrum), and salpingotomy (surgery involving the fallopian tubes).