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