$$\text{Bone Density} \propto \text{Mechanical Stress}$$

Question 1

Which of the following is NOT a primary function of the axial skeleton?

Accepted Answer

Facilitating manipulation of objects by the hands

Question 2

A patient presents with difficulty swallowing and speech. Damage to which bone is most likely responsible?

Accepted Answer

Hyoid bone

Question 3

Which of the following bones is the only moveable bone of the adult skull?

Accepted Answer

Mandible

Question 4

The paranasal sinuses serve all of the following functions EXCEPT:

Accepted Answer

Increasing the weight of the skull for protection

Question 5

Which equation best represents the total number of vertebrae in the adult vertebral column?

Accepted Answer

$$C_7 + T$$_{12} + $$L_5$$ + $$S_5$$ + $$Co_4 = 33$

Question 6

A patient is diagnosed with scoliosis. This condition is characterized by:

Accepted Answer

Abnormal lateral curvature of the vertebral column

Question 7

Which of the following statements about intervertebral discs is TRUE?

Accepted Answer

The nucleus pulposus acts as a shock absorber and can herniate under excessive force

Question 8

Which ribs are classified as 'floating ribs'?

Accepted Answer

Ribs 11 and 12

Question 9

Which of the following is a distinguishing feature of a typical thoracic vertebra?

Accepted Answer

Presence of costal facets for rib articulation

Question 10

During embryonic development, which process forms the bones of the brain case?

Accepted Answer

Intramembranous ossification

Question 11

Which of the following statements about fontanelles is TRUE?

Accepted Answer

They allow for skull deformation during birth and postnatal growth

Question 12

Which equation best describes the relationship between bone density and mechanical stress?

Accepted Answer

$$	ext{Bone Density} \propto 	ext{Mechanical Stress}$$

Question 13

Which of the following bones is formed primarily by endochondral ossification?

Accepted Answer

Vertebrae

Question 14

A herniated disc most commonly affects which part of the intervertebral disc?

Accepted Answer

Nucleus pulposus

Question 15

Which of the following is a function of the nasal conchae?

Accepted Answer

Warming, humidifying, and filtering inhaled air

Question 16

Which equation correctly represents the number of ribs that attach directly to the sternum?

Accepted Answer

$$	ext{True Ribs} = 7$$

Question 17

Which of the following structures forms the anterior boundary of the cranial cavity?

Accepted Answer

Frontal bone

Question 18

Which ligament resists hyperflexion of the vertebral column?

Accepted Answer

Posterior longitudinal ligament

Question 19

During embryonic development, the notochord is completely replaced by which structure?

Accepted Answer

Vertebral column

Question 20

A patient suffers a fracture at the sternal angle. Which two parts of the sternum are involved?

Accepted Answer

Manubrium and body

Chapter 7: The Axial Skeleton – Structure, Function, and Development

Study Guide - Practice Questions