Quize Physiology of Hearing Welcome to your Quize Physiology of Hearing 1. The sound is transmitted to the inner ear through: A. Oval window B. Round window C. Modulus None 2. Which of the following is a part of the auditory pathway? A. Inferior colliculus B. Posterior colliculus C. Lateral geniculate body None 3. Injury in the medial geniculate body will most affect: A. Hearing B. Smell C. Vision None 4. The SCCs (Semicircular Canals) are stimulated by: A. Binding of stereocilia toward kinocilium B. Bending of stereocilia away from kinocilium C. Binding of cupula None 5. In the auditory pathway, the fibers from the trapezoid nuclei ascend mainly in the: A. Internal arcuate fibers B. Lateral lemniscus None 6. What is the first structure in the brain stem which receives auditory input from the ear? A- Cochlear nuclei B- Inferior colliculi C- Medial geniculate body D- Superior olive None 7. Which of the following is correct regarding stimulation of cochlear hair cells? A- Depolarization is mainly due to opening of the apical potassium channels. B-Depolarization is mainly due to sodium influx. C-Outer hair cells are responsible for 90% of afferent fibers. D- They are exceptionally stimulated by hyperpolarization. None 8. Attenuation reflex caused by loud sound leads to: A- Contraction of both stapedius and tensor tympani ms B- Contraction of stapedius ms and relaxation of tensor tympani ms C- Relaxation of stapedius ms D- Relaxation of tensor tympani ms None Time's up
