A loud noise can cause all of the listed effects: a big pressure pulse at the oval window, an alerting reaction with sympathetic activation, a large movement of the tympanic membrane, and reflex contractions of middle ear muscles to protect the inner ear.

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A Loud Noise Causes

Question 35

Multiple Choice

A loud noise causes

A) a big pressure pulse entering the cochlear duct at that oval window.
B) an alerting reaction leading to sympathetic activation.
C) a large movement of the tympanic membrane.
D) reflex contractions of middle ear muscles.
E) all of the above

Correct Answer: