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