Each of the Following Is True of the Maxillary Sinus

question 20

Multiple Choice

Each of the following is true of the maxillary sinus EXCEPT one. Which is the EXCEPTION?

• A) The maxillary sinuses are the largest of the paranasal sinuses.
• B) The maxillary sinuses open into the posterior end of the hiatus semilunaris through one or more openings.
• C) The superior border of the maxillary sinus is the floor of the orbit.
• D) The maxillary sinus is one anatomic structure that almost never varies among individuals.
• E) During a nasal infection swelling occurs in the nasal mucosa.

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Definitions:

Crural Region

Pertains to the leg, specifically the area from the knee to the ankle, encompassing the lower limb's anterior and posterior aspects.

Carpal Region

pertains to the area of the wrist that houses the carpal bones.

Sural Region

The sural region pertains to the calf area at the back of the lower leg, commonly referred to when discussing the sural nerve affecting sensation in that area.

Hypogastric Region

Refers to the lower central region of the abdomen, situated below the umbilical region and between the iliac regions.