61: The ear Quizellenjmchenry2022-12-02T12:50:17-05:00 Please sign up for the course before taking this quiz. What is the function of the middle ear?1 to give us a sense of balance to translate sound into electrical signals to transfer sound vibrations to the inner ear How many semicircular canals are in the vestibular system?1 2 4 3 1 What causes the hair cells to trigger the neurons to send a signal?1 The efferent nerves fibers bringing in signals from the brain. The vibrations in the fluid moving the hairs. The tympanic membrane vibrating with sound waves. The tectorial membrane rubbing against them. Where is the end of the Eustachian tube? (where fresh air can flow in or out)1 in the nasopharynx inside the sinuses in the inner ear in the larynx Which of these ensures equal pressure on both sides of the eardrum?1 auditory canal oval window vestibule Eustachian tube malleus Which one of these is NOT part of the inner ear?1 cochlea round window semicircular canals vestibule stapes Which of these is NOT a part of the organ of Corti?1 hair cells tympanic membrane nerve cells tectorial membrane Which of these is involved with our sense of balance?1 cochlea middle ear organ of Corti vestibular system Where does the word “cochlea” come from?1 Greek for "cone-shaped." Greek for "snail shell." Greek for "tube." Latin for "complicated maze." Latin for "hammer." Both the middle ear and inner ear are filled with fluid.1 True False Which one of these is NOT part of the middle ear?1 cochlea stapes malleus Eustachian tube incus Which of these describes the hearing range of humans?1 2 Hz to 20 Hz 2,000 Hz to 200,000 Hz 20 Hz to 200 Hz 20 Hz to 20,000 Hz Which of these touches the stirrip (stapes)?1 round window oval window Which of these touches the eardrum?1 anvil stirrup hammer oval window The shape of the pinna helps to bring in sound, especially the frequencies of the human voice.1 True False What Hertz range is the human voice?1 About 1,000 to 3,000 Hz About 10 to 30 Hz About 100 to 300 Hz Which of these is the smallest bone in the body?1 malleus (hammer) stapes (stirrup) incus (anvil) Which of these words accurately describes the eardrum?1 opaque translucent transparent The entire outer ear (the part we see) is correctly called the:1 helix frenulum tragus pinna 81: Hypothalamus and pituitary 83: Adrenal glands Back to: 61: The ear
