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