61: The ear Quizellenj2022-12-02T12:50:17-05:00 Please sign up for the course before taking this quiz. 1. Which of these is involved with our sense of balance?1 organ of Corti middle ear cochlea vestibular system 2. Which one of these is NOT part of the inner ear?1 cochlea vestibule semicircular canals round window stapes 3. How many semicircular canals are in the vestibular system?1 2 3 1 4 4. The shape of the pinna helps to bring in sound, especially the frequencies of the human voice.1 True False 5. What is the function of the middle ear?1 to give us a sense of balance to transfer sound vibrations to the inner ear to translate sound into electrical signals 6. Which of these touches the eardrum?1 anvil hammer oval window stirrup 7. What Hertz range is the human voice?1 About 10 to 30 Hz About 100 to 300 Hz About 1,000 to 3,000 Hz 8. What causes the hair cells to trigger the neurons to send a signal?1 The tympanic membrane vibrating with sound waves. The tectorial membrane rubbing against them. The efferent nerves fibers bringing in signals from the brain. The vibrations in the fluid moving the hairs. 9. 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 larynx in the inner ear 10. Which of these words accurately describes the eardrum?1 translucent opaque transparent 11. Which of these touches the stirrip (stapes)?1 round window oval window 12. Which of these describes the hearing range of humans?1 20 Hz to 20,000 Hz 2,000 Hz to 200,000 Hz 2 Hz to 20 Hz 20 Hz to 200 Hz 13. Which of these ensures equal pressure on both sides of the eardrum?1 auditory canal Eustachian tube vestibule oval window malleus 14. The entire outer ear (the part we see) is correctly called the:1 tragus helix frenulum pinna 15. Which of these is the smallest bone in the body?1 malleus (hammer) stapes (stirrup) incus (anvil) 16. Which one of these is NOT part of the middle ear?1 stapes incus Eustachian tube cochlea malleus 17. Both the middle ear and inner ear are filled with fluid.1 True False 18. Where does the word “cochlea” come from?1 Greek for "tube." Latin for "complicated maze." Latin for "hammer." Greek for "snail shell." Greek for "cone-shaped." 19. Which of these is NOT a part of the organ of Corti?1 nerve cells tympanic membrane tectorial membrane hair cells 81: Hypothalamus and pituitary 83: Adrenal glands Back to: 61: The ear
