Question 1

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

Accepted Answer

Femur

Question 2

Which bone is unique in that it does not articulate directly with any other bone and serves as an attachment site for tongue and neck muscles?

Accepted Answer

Hyoid bone

Question 3

A patient presents with difficulty breathing and a deviated nasal septum. Which bones are most likely involved in forming the nasal septum?

Accepted Answer

Vomer and perpendicular plate of the ethmoid bone

Question 4

Which of the following is a function of the paranasal sinuses?

Accepted Answer

Lighten the weight of the skull

Question 5

Which bones form the hard palate, and what clinical condition results from their incomplete fusion?

Accepted Answer

Maxillae and palatine bones; cleft palate

Question 6

How many pairs of ribs are there in the human body, and how are they classified?

Accepted Answer

12 pairs: 7 true ribs, 5 false ribs

Question 7

Which of the following best describes the difference between true ribs and false ribs?

Accepted Answer

True ribs attach directly to the sternum via their own costal cartilage; false ribs do not.

Question 8

Which of the following is a distinguishing feature of cervical vertebrae compared to thoracic and lumbar vertebrae?

Accepted Answer

Presence of transverse foramina

Question 9

A newborn is examined and found to have soft spots on the skull. What are these structures called, and what is their significance?

Accepted Answer

Fontanelles; they allow for brain growth and skull flexibility during birth

Question 10

Which of the following bones is paired in the adult human skull?

Accepted Answer

Parietal bone

Question 11

Which anatomical structure on the temporal bone serves as a major attachment site for neck muscles?

Accepted Answer

Mastoid process

Question 12

Which of the following is NOT a bone that contributes to the formation of the orbit?

Accepted Answer

Mandible

Question 13

Which region of the vertebral column contains vertebrae with facets for rib articulation?

Accepted Answer

Thoracic

Question 14

Which of the following best describes the function of the axial skeleton?

Accepted Answer

Provides support and protection for the brain, spinal cord, and thoracic organs

Question 15

Which anatomical structure is found on the sacrum and allows for the passage of nerves and blood vessels?

Accepted Answer

Sacral foramina

Question 16

A patient with scoliosis has an abnormal curvature in which plane of the vertebral column?

Accepted Answer

Lateral (coronal) plane

Question 17

Which of the following bones is unpaired in the adult human skull?

Accepted Answer

Occipital bone

Question 18

Which of the following is a function of the thoracic cage?

Accepted Answer

Protects the heart and lungs

Question 19

Which bone marking is commonly used as a site for muscle attachment and is found on the scapula?

Accepted Answer

Coracoid process

Question 20

Which of the following best describes the difference between the appendicular and axial skeletons?

Accepted Answer

The axial skeleton forms the central axis of the body; the appendicular skeleton includes the limbs and girdles.

Axial Skeleton Study Guide – Anatomy & Physiology

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