Which of the Following Is True About Paranasal Sinuses

question 57

Multiple Choice

Which of the following is True about paranasal sinuses?

• A) Paranasal sinuses open into the oral cavity.
• B) Paranasal sinuses enhance the resonance of the voice and lighten the skull.
• C) Paranasal sinuses contain passages acting as one-way valves.
• D) Paranasal sinuses are found in maxillary, ethmoid, and lacrimal bones.

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Definitions:

Upcoding

The fraudulent practice of using billing codes that indicate a more expensive service was performed than was actually provided, to increase reimbursement from Medicare or insurance.

Increased Revenue

An upward trend in the amount of money generated from the sales of goods or services within a company.

Serious Fines

Substantial monetary penalties imposed as punishment for severe violations of laws or regulations.

ICD-9-PCS

An abbreviation for the International Classification of Diseases, Ninth Revision, Procedure Coding System; a system used in the United States to classify medical procedures.