61: The ear Quizellenj2022-12-02T12:50:17-05:00 Please sign up for the course before taking this quiz. 1. 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 2. Which of these touches the eardrum?1 stirrup hammer oval window anvil 3. The entire outer ear (the part we see) is correctly called the:1 frenulum tragus pinna helix 4. Which of these ensures equal pressure on both sides of the eardrum?1 auditory canal Eustachian tube malleus oval window vestibule 5. Which of these is NOT a part of the organ of Corti?1 tympanic membrane nerve cells hair cells tectorial membrane 6. Which of these words accurately describes the eardrum?1 transparent opaque translucent 7. Which of these touches the stirrip (stapes)?1 round window oval window 8. What Hertz range is the human voice?1 About 100 to 300 Hz About 1,000 to 3,000 Hz About 10 to 30 Hz 9. Which of these is the smallest bone in the body?1 incus (anvil) stapes (stirrup) malleus (hammer) 10. 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 tympanic membrane vibrating with sound waves. The tectorial membrane rubbing against them. 11. Both the middle ear and inner ear are filled with fluid.1 True False 12. Where is the end of the Eustachian tube? (where fresh air can flow in or out)1 in the inner ear in the larynx in the nasopharynx inside the sinuses 13. The shape of the pinna helps to bring in sound, especially the frequencies of the human voice.1 True False 14. Where does the word “cochlea” come from?1 Latin for "complicated maze." Greek for "cone-shaped." Latin for "hammer." Greek for "snail shell." Greek for "tube." 15. Which one of these is NOT part of the inner ear?1 round window cochlea semicircular canals stapes vestibule 16. Which one of these is NOT part of the middle ear?1 stapes incus malleus Eustachian tube cochlea 17. Which of these is involved with our sense of balance?1 cochlea vestibular system organ of Corti middle ear 18. Which of these describes the hearing range of humans?1 2,000 Hz to 200,000 Hz 20 Hz to 200 Hz 20 Hz to 20,000 Hz 2 Hz to 20 Hz 19. How many semicircular canals are in the vestibular system?1 2 4 3 1 81: Hypothalamus and pituitary 83: Adrenal glands Back to: 61: The ear
