A caregiver asks how tympanostomy tubes help to reduce otitis media. What is the best response from the nurse practitioner? a. "These tubes allow fluid to drain from the middle ear and decrease the risk for buildup and infections." b. "These tubes provide a route for bacteria to exit the outer ear and decrease the risk for bacterial growth and infection." c. "These tubes provide a route for bacteria to exit the middle ear and decrease the risk for bacterial growth and infection." d. "These tubes allow fluid to drain from the outer ear and decrease the risk for buildup and infections."