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