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