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