Questions for hearing and equilibrium (the ear) 1. What are the two skeletal muscles associated with the auditory ossicles? What is the main function of these muscles 2 How does the crista ampullaris work to maintain equilibrium? Be specific (describe) about structures associated with the crista, where they are located and the major stimuli that activate the crisa. , Discuss the physiology of sound, include all structures of the ear involved in the transformation of soand waves into nerve impulses. - Discuss motion sickness. How does Dramamine (dimenhydrinate) help with motion sickness. , Describe the maculae, function and importance..