61: The ear Quizellenjmchenry2022-12-02T12:50:17-05:00 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 vestibular system cochlea 2. What Hertz range is the human voice?1 About 1,000 to 3,000 Hz About 10 to 30 Hz About 100 to 300 Hz 3. Which of these describes the hearing range of humans?1 2 Hz to 20 Hz 20 Hz to 200 Hz 2,000 Hz to 200,000 Hz 20 Hz to 20,000 Hz 4. Where does the word “cochlea” come from?1 Greek for "cone-shaped." Greek for "tube." Latin for "complicated maze." Latin for "hammer." Greek for "snail shell." 5. Which of these touches the stirrip (stapes)?1 round window oval window 6. Which of these touches the eardrum?1 anvil oval window hammer stirrup 7. Which of these is the smallest bone in the body?1 malleus (hammer) incus (anvil) stapes (stirrup) 8. Which one of these is NOT part of the middle ear?1 malleus cochlea incus Eustachian tube stapes 9. The entire outer ear (the part we see) is correctly called the:1 frenulum pinna tragus helix 10. Both the middle ear and inner ear are filled with fluid.1 True False 11. Which of these ensures equal pressure on both sides of the eardrum?1 malleus oval window auditory canal Eustachian tube vestibule 12. Which one of these is NOT part of the inner ear?1 cochlea vestibule stapes round window semicircular canals 13. What causes the hair cells to trigger the neurons to send a signal?1 The tectorial membrane rubbing against them. The vibrations in the fluid moving the hairs. The tympanic membrane vibrating with sound waves. The efferent nerves fibers bringing in signals from the brain. 14. Which of these words accurately describes the eardrum?1 opaque translucent transparent 15. Where is the end of the Eustachian tube? (where fresh air can flow in or out)1 in the inner ear in the nasopharynx in the larynx inside the sinuses 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 is NOT a part of the organ of Corti?1 nerve cells tectorial membrane tympanic membrane hair cells 18. How many semicircular canals are in the vestibular system?1 3 1 4 2 19. 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 81: Hypothalamus and pituitary 83: Adrenal glands Back to: 61: The ear
