61: The ear Quizellenjmchenry2021-10-01T23:31:32-04:00 Please sign up for the course before taking this quiz. What is the function of the middle ear?1 to translate sound into electrical signals to transfer sound vibrations to the inner ear to give us a sense of balance Both the middle ear and inner ear are filled with fluid.1 True False What causes the hair cells to trigger the neurons to send a signal?1 The tectorial membrane rubbing against them. The tympanic membrane vibrating with sound waves. The efferent nerves fibers bringing in signals from the brain. The vibrations in the fluid moving the hairs. The entire outer ear (the part we see) is correctly called the:1 pinna frenulum helix tragus Which of these describes the hearing range of humans?1 2,000 Hz to 200,000 Hz 20 Hz to 200 Hz 20 Hz to 20,000 Hz 2 Hz to 20 Hz The shape of the pinna helps to bring in sound, especially the frequencies of the human voice.1 True False Which of these touches the eardrum?1 stirrup hammer oval window anvil Which of these touches the stirrip (stapes)?1 oval window round window Which of these is NOT a part of the organ of Corti?1 tympanic membrane hair cells tectorial membrane nerve cells Which of these is involved with our sense of balance?1 cochlea vestibular system organ of Corti middle ear What hertz range is the human voice?1 About 100 to 300 Hz About 10 to 30 Hz About 1,000 to 3,000 Hz Where does the word “cochlea” come from?1 Latin for "hammer." Greek for "cone-shaped." Greek for "tube." Latin for "complicated maze." Greek for "snail shell." Which one of these is NOT part of the middle ear?1 malleus incus cochlea stapes Eustachian tube Which of these ensures equal pressure on both sides of the eardrum?1 oval window malleus auditory canal Eustachian tube vestibule Which of these words accurately describes the eardrum?1 transparent translucent opaque Which of these is NOT a part of the organ of Corti?1 hair cells tympanic membrane tectorial membrane nerve cells Which of these is the smallest bone in the body?1 stapes (stirrup) malleus (hammer) incus (anvil) Where is the end of the Eustachian tube?1 in the nasopharynx in the inner ear inside the sinuses in the larynx Which one of these is NOT part of the inner ear?1 semicircular canals stapes cochlea vestibule round window How many semicircular canals are in the vestibular system?1 1 4 3 2 81: Hypothalamus and pituitary 83: Adrenal glands Back to: 61: The ear
