Anatomy Axial Skeleton

What is the axial skeleton made up of?

• skull, ribs, vertebrae

• Skull, ribs, vertebrae, clavicle

• Skull ribs, vertebrae, pelvis

• Skull, sternum, spine

True or false, the vertebrae starts at the base of the skull and continues to the pelvis.

• true

• false

What is the function of the vertebrae?

• Protects the spinal cord and is

  a channel for nerves

• Protects the spinal cord

• Protects the spinal cord and is a channel for

  blood vessels

• Only used for structure

How many pairs of ribs are there, and also what is the total number of bones in the ribs?

• 12 pairs, 24 bones total

• 12 pairs, 25 bones total

• 10 pairs, 20 bones total

• 11 pairs, 22 bones total

What bone is highlighted?

• zygomatic

• mandible

• temporal

• maxilla

Tags

Standard 2.1 Beginning/Approaching

What bone is this?

• zygomatic arch

• mandible

• skull

• maxilla

Answer explanation

The maxilla is the upper jawbone that holds the upper teeth and forms part of the eye sockets. It is distinct from the mandible (lower jaw), zygomatic arch (cheekbone), and skull (entire head structure).

Tags

Standard 2.1 Beginning/Approaching

Identify this (these) bone(s):

• zygomatic

• parietal bone

• mandible

• sternocleidomatsoid

Answer explanation

The mandible, or lower jawbone, is the only movable bone of the skull and is crucial for chewing. The zygomatic and parietal bones are fixed, while 'sternocleidomastoid' refers to a muscle, not a bone.

What is the function of the skull?

• Only helps protect the nerves to the brain

• Helps protect the entire spinal cord and brain

• Helps protect the brain

• Helps protect the spinal cord

How many bones make up the skull?

• 15

• 23

• 11

• 22

What shaped bones make up the vertebrae?

• long bones

• irregular bones

• short bones

• flat bones