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