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