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