Which paranasal sinus is rarely symmetrical?

A. maxillary
B. ethmoid
C. sphenoid
D. frontal


Answer: D

Anatomy & Physiology

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Indicate whether the statement is true or false

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Which chambers in the heart receive blood?

A. Ventricles B. Auricles C. Atria D. None of these are correct.

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Which of the following functions is associated with the skin?

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