Which of the following is NOT involved in sending a vibrational signal to the inner ear?
A) external auditory meatus
B) eustachian tube
C) malleus
D) stapes

Question

Quizplus · Accepted Answer

The eustachian tube is involved in equalizing pressure between the middle ear and the outside environment, but it is not directly involved in sending a vibrational signal to the inner ear. The external auditory meatus (A) is the ear canal that collects sound waves and directs them towards the eardrum. The malleus (C) is one of the three small bones in the middle ear that transmit and amplify vibrations from the eardrum to the inner ear. The stapes (D) is the smallest bone in the human body and also helps to transmit vibrations from the middle ear to the inner ear.

Which of the Following Is NOT Involved in Sending a Vibrational