Certified Surgical Technologist (CST) Practice Exam 2025 – All-in-One Guide to Master Your Certification!

Question: 1 / 400

The nasal sinus located between the nose and the orbits is the:

Frontal

Sphenoid

Ethmoid

The ethmoid sinus is correctly identified as the nasal sinus located between the nose and the orbits. Specifically, it is situated posterior to the nose and anterior to the orbits, which are the bony cavities that contain the eyes. The ethmoid sinus consists of numerous small air cells and is an essential structure in the nasal anatomy.

The ethmoid sinus plays a significant role in the drainage of mucus from the nasal passages and contributes to the overall function of the sinuses, including humidifying and filtering the air we breathe. Its proximity to the orbits means that infections or conditions affecting the ethmoid sinus can potentially impact the eyes, highlighting its anatomical significance. Understanding this relationship is crucial for surgical technologists and other medical professionals when dealing with sinus-related surgeries or conditions.

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Maxillary

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