Question 1

Which bone forms the posterior portion of the cranium and contains the foramen magnum?

Accepted Answer

Occipital bone

Question 2

How many cervical vertebrae are present in the human spine?

Accepted Answer

7

Question 3

The sagittal suture connects which two bones?

Accepted Answer

Parietal bones

Question 4

Which vertebra is directly superior to the sacrum?

Accepted Answer

L5 (fifth lumbar vertebra)

Question 5

A patient presents with a fracture at the base of the skull near the foramen magnum. Which bone is most likely affected?

Accepted Answer

Occipital bone

Question 6

Which of the following is NOT a bone that forms part of the orbit (eye socket)?

Accepted Answer

Mandible

Question 7

The joint between the atlas (C1) and the axis (C2) allows for which movement?

Accepted Answer

Rotation of the head

Question 8

Which suture separates the frontal bone from the parietal bones?

Accepted Answer

Coronal suture

Question 9

The sacrum is formed by the fusion of how many vertebrae?

Accepted Answer

5

Question 10

Which bone articulates with the mandible to form the temporomandibular joint?

Accepted Answer

Temporal bone

Question 11

A rib attaches posteriorly to which type of vertebra?

Accepted Answer

Thoracic vertebra

Question 12

Which bone forms the anterior portion of the cranium and contains the supraorbital foramen?

Accepted Answer

Frontal bone

Question 13

If a patient has a herniated disc between L4 and L5, which region of the spine is affected?

Accepted Answer

Lumbar

Question 14

Which suture is located between the parietal bones and the occipital bone?

Accepted Answer

Lambdoid suture

Question 15

The vertebral formula for a typical adult human is $$C_7T_{12}L_5S_5C_4. $$What does $$L_5$$ represent?

Accepted Answer

5 lumbar vertebrae

Question 16

Which bone is NOT part of the axial skeleton?

Accepted Answer

Femur

Question 17

A patient suffers a blow to the side of the head, fracturing the bone that houses the external auditory meatus. Which bone is affected?

Accepted Answer

Temporal bone

Question 18

Which part of the sacrum forms the articulation with the ilium of the pelvis?

Accepted Answer

Auricular surface

Question 19

Which bone forms the lower jaw and is the only movable bone of the skull?

Accepted Answer

Mandible

Question 20

A patient with scoliosis has abnormal curvature in which region of the axial skeleton?

Accepted Answer

Vertebral column

Axial Skeleton Lab Quiz Study Guidance

Study Guide - Practice Questions