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- The features labeled A, B and C refer to, in order, to the O tympanic duct, cochlear duct, macula vestibular duct, cochlear duct, tympanic duct vestibular duct, tympanic duct, cochlear duct tympanic duct, vestibular duct, utricleHigh intensity (loud) sounds can cause deafness because they are most damaging to the hair cells of the spiral organ of Corti tympanic membrane bones of the middle ear vestibular system What is the first brain structure to receive input from both ears and is important in locating the direction of sound? The superior olive Cochlear nuclei Inferior colliculus The primary auditory cortexThe sensory neurons of the auditory system are located in vestibular sacs round window organ of corti semicircular canal
- Which of the following is TRUE for hearing? the organ of Corti sits on top of the vestibular membrane the stapes is connected to the round window the stereocilia of the hair cells of the organ of Corti are connected to the basilar membrane the cochlear duct is located between the vestibular and the basilar membranesWhich statement about the nuclei of the lateral lemniscus is false? Their output converges at the pons. They receive input from the cochlear nucleus. They respond to monaural sound. They process duration of sound.Olfactory nerve axons travel through which structure: Organ of corti Occipital lobe Cribriform plate Spinothalamic tract Both C and D © O
- Your friend had a severe infection in the cochlea, which caused deafness. The scarring from the infection prevents movement of the basilar membrane of the organ of Corti. In response to a sound, you would predict that: The tympanic membrane would not vibrate The tympanic membrane would vibrate but the three bones in the middle ear would not move The three bones in the middle ear would move, but the cochlear fluid would not have any waves The cochlear fluid would have waves, but the hair cells would not bend The hair cells would bend, but no receptor potential would be createdLabel the following on the diagram on p. 1 of this handout and the models in the lab. Ampulla (pl. ampullae) How many do you see on the models? Cochlea Oval window Round window Semicircular canals (ducts) How many do you see on the models? Vestibulocochlear nerve (VIII) Which organ of the inner is responsible for each of the following sensations? Hearing a noise: Your body position when you are lying still on your back:One of the mechanisms that the auditory system uses to localize sound is referred to as interaural time difference (ITD). Where in the brain does this takes place and explain how this mechanism would enable you to localize a sound coming from your left side.
- Which of the following mechanoreceptors are not found in the skin? Lamellated corpuscles Proprioceptors Merkel cell fibers Tactile corpusclesUnilateral Cerebral strokes can cause deficits in motor control, somatic sensation and vision. However, they do not cause deficits in hearing. The explanation for this is: Auditory information does not reach the cortex Auditory information only goes to one hemisphere. Auditory information goes to both hemispheres How are the outer segments of photoreceptors positioned? between bipolar cells and horizontal cells in the outermost layer of the retina in the ganglion cell layer farthest from the pigment epitheliumThe shaking of the head when saying "no," stimulates which of the following? Group of answer choices saccule vestibule semicircular ducts utricle cochlea