Question 1

Which of the following best distinguishes between the axial and appendicular skeleton?

Accepted Answer

Axial: Skull, tail bone, ribs. Appendicular: Shoulder blades, wrist bones, knee cap.

Question 2

Which bone is most likely to be damaged in a patient who presents with hearing loss after a head injury?

Accepted Answer

Temporal

Question 3

A surgeon needs to access the pituitary gland through the nasal cavity. Which bone must be cut to reach the gland?

Accepted Answer

Sphenoid

Question 4

Which of the following statements about the associated bones of the skull is correct?

Accepted Answer

False, the associated bones are involved in hearing and swallowing.

Question 5

If you are moving the only freely moving bone in the skull, what activity are you doing and what bone are you moving?

Accepted Answer

Chewing; the mandible.

Question 6

Which two bones may be involved in a deviated septum, a common injury in boxing?

Accepted Answer

The vomer and ethmoid bone.

Question 7

Which bone creates the lateral wall of the orbital cavity?

Accepted Answer

Zygomatic

Question 8

Which of the following bones is both classified as a facial bone and also contains a sinus?

Accepted Answer

Maxilla

Question 9

Marcio broke his T2 and T3 vertebrae in a skiing accident. Where is his injury?

Accepted Answer

In his upper back.

Question 10

Which part of the spine will have fewer individual bones as you age?

Accepted Answer

Sacrum

Question 11

What is one reason the thoracic cage can flex during CPR without breaking bones?

Accepted Answer

Flexible costal cartilage comprises a large portion of the anterior thoracic cage.

Question 12

What makes false ribs different from true ribs?

Accepted Answer

The costal cartilage that connects to true ribs connects directly to the sternum.

Question 13

The medial end of the clavicle articulates with what structure?

Accepted Answer

Sternum

Question 14

Which statement about the scapula is correct?

Accepted Answer

The glenoid cavity of the scapula articulates with the humerus.

Question 15

Of the two bones in the forearm, which bone is medial?

Accepted Answer

Ulna

Question 16

Where is the most common site of a forearm fracture when someone tries to catch themselves during a fall?

Accepted Answer

The distal end of the radius.

Question 17

Arrange the bones of the upper limb from proximal to distal.

Accepted Answer

Humerus à Radius & Ulna à Metacarpals à Phalanges

Question 18

On which bone is the acetabulum found?

Accepted Answer

A-C are all correct.

Question 19

How does the angle of the pelvic arches differ in male and female pelvises?

Accepted Answer

The angle of the male pelvic arch tends to be more acute than the female pelvic arch.

Question 20

With which bones does the femur articulate?

Accepted Answer

The tibia, the coxal bone, and the patella.

Question 21

How do the metatarsals contribute to the foot’s ability to bear weight?

Accepted Answer

The bones help create arches that distribute the weight.

The Axial Skeleton: Structure, Function, and Key Bones

Study Guide - Practice Questions