Which of the following is a characteristic of the paranasal sinuses?
A) None of the listed responses is correct.
B) They open into the oral cavity.
C) They are found in the maxillary, ethmoid, and lacrimal bones.
D) They lighten the skull.
D
Explanation:
A) One of the listed responses is correct.
B) The paranasal sinuses open into the nasal cavity.
C) The paranasal sinuses are not found in the lacrimal bone.
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What will be an ideal response?
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Fill in the blank(s) with correct word