True or false. cholesteatoma can develop when the eustachian tube fails to open properly or becomes blocked with material from recurring ear infections. as a result, the chamber develops a weak area and a pocket is formed that allows the skin cells to collect.

True.

Explanation:

The eustachian tube helps to compensate for pressure in the middle ear. When it is not working well, negative pressure can build up and push a part of the eardrum (tympanic membrane) into the middle ear. This creates a sac or cyst that is filled with old skin cells and other waste materials.

The cyst can become infected or enlarged. This can cause some of the middle ear bones or other ear structures to break. That can affect hearing, balance and possibly the functioning of facial muscles.

b. they impair judgment, which makes it more likely for people to engage in risky behavior.

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