Multiple Choice
Which of the following is a structure found within the hair bulb?
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5. Integumentary System
Introduction to the Integumentary System
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The paranasal sinuses are spaces lined with mucous membranes found in which of the following bones?
A
Pelvic bones
B
Ribs
C
Vertebrae
D
Skull bones
Verified step by step guidance1
Understand the concept of paranasal sinuses: These are air-filled spaces within certain bones of the skull that are lined with mucous membranes. Their functions include lightening the weight of the skull, producing mucus, and contributing to voice resonance.
Identify the location of paranasal sinuses: They are specifically found in the skull bones, not in other parts of the body such as the pelvic bones, ribs, or vertebrae.
Recall the specific skull bones that contain paranasal sinuses: These include the frontal bone, maxillary bones, sphenoid bone, and ethmoid bone.
Eliminate incorrect options: Pelvic bones, ribs, and vertebrae do not contain paranasal sinuses, as these structures are not part of the skull and do not serve the functions associated with sinuses.
Confirm the correct answer: The paranasal sinuses are spaces lined with mucous membranes found in the skull bones.
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