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