_____________ is a defense mechanism to protect the upper airway from irritants

a. Sneezing
b. Coughing
c. Vomiting
d. Bronchospasm

ANS: B

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All of the following are seen on a periapical radiograph except one. Which one is the exception?

A) Deep pockets B) Gold crown C) Bony crater D) Hypercementosis

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What is the correct code for chronic serous otitis media of the left ear?

A. H65.22 B. H65.32 C. H65.31 D. H65.21

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