Understanding the Axial Skeleton

Which of the following is NOT a part of the axial skeleton?

• Skull

• Vertebral column

• Pelvic girdle

• Bony thorax

How many cranial bones are there in the human skull?

• 6

• 8

• 10

• 12

What is the primary function of the paranasal sinuses?

• Protect the brain

• Hold the eyes in position

• Lighten the skull and amplify sounds

• Aid in swallowing

Which bone is the only one in the human body that does not articulate with another bone?

• Mandible

• Hyoid bone

• Temporal bone

• Nasal bone

Why is the mandible is unique among the facial bones?

• It is the largest facial bone.

• It is attached by a freely movable joint.

• It forms the nasal cavity.

• It encloses the brain.

What is the function of the hyoid bone?

• Protects the brain

• Serves as a movable base for the tongue

• Holds the eyes in position

• Forms the nasal cavity

Which of the following statements about the skull is true?

• The skull is composed of 14 cranial bones.

• The facial bones are joined by movable joints.

• The cranium encloses the brain.

• The mandible is immovable.

How do the paranasal sinuses contribute to speech?

• They protect the vocal cords.

• They amplify sounds made as we speak.

• They provide resonance for the voice.

• They filter the air we breathe.

What is the role of sutures in the skull?

• They allow for the movement of facial bones.

• They join the bones of the skull.

• They protect the nasal cavity.

• They form the base of the tongue.

What is the relationship between the hyoid bone and the mandible?

• The hyoid bone is directly attached to the mandible.

• The hyoid bone is closely related but does not articulate with the mandible.

• The hyoid bone forms the lower jaw with the mandible.

• The hyoid bone supports the mandible during chewing.