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