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