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