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