What happens if the ear canal is blocked, as when wearing earplugs?
A) The pinna is no longer be able to collect sounds from the environment.
B) The ossicles within the ear canal are blocked from moving.
C) Sounds echo in the ear canal, making them seem louder.
D) The tympanic membrane vibrates less vigorously.
E) The tympanic membrane shrinks, causing temporary deafness.
Correct Answer:
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Q15: Refer to the figure. Q16: Refer to the figure. Q17: Sounds are first collected from the environment Q18: The purpose of the ear canal is Q19: The _ is a thin sheet of Q21: Which of the following is part of Q22: The _ consists of three tiny bones Q23: One of the roles of the ossicles Q24: What is the correct order of the Q25: The ossicles transfer sound vibrations between the
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