Join thousands of students who trust us to help them ace their exams!Watch the first video
Multiple Choice
Which of the following bones does not contain a paranasal sinus?
A
Ethmoid bone
B
Maxilla
C
Frontal bone
D
Temporal bone
Verified step by step guidance
1
Understand what paranasal sinuses are: Paranasal sinuses are air-filled spaces within the bones around the nasal cavity. They help lighten the weight of the skull, produce mucus, and contribute to voice resonance.
Identify the bones that typically contain paranasal sinuses: The bones that usually have paranasal sinuses include the frontal bone, ethmoid bone, sphenoid bone, and maxilla.
Review the list of bones provided in the problem: Ethmoid bone, Maxilla, Frontal bone, and Temporal bone.
Compare the list with the typical bones containing paranasal sinuses: Ethmoid, Maxilla, and Frontal bones are known to contain paranasal sinuses.
Determine which bone does not contain a paranasal sinus: The Temporal bone is not listed among the bones that contain paranasal sinuses, making it the correct answer.