What technique can be used to assess the efficiency of the acoustic nerve?

Using a tuning fork to assess the efficiency of the acoustic nerve is a well-established method in clinical practice. This technique particularly evaluates hearing and can help identify issues related to the auditory nerve's function. The tuning fork can be used in tests such as Rinne and Weber tests, which determine the type of hearing loss a patient might have—whether it is conductive or sensorineural.

Rubbing fingers together primarily checks for general auditory perception but lacks the specificity and reliability needed to evaluate the acoustic nerve's function. Performing a vision test is unrelated to assessing hearing or the acoustic nerve. Asking about recent dizziness could suggest vestibular issues related to balance, but it does not directly assess cochlear function or the auditory pathway effectively. Therefore, the use of a tuning fork stands out as the most direct and appropriate method for evaluating the efficiency of the acoustic nerve.