Question 1

Which of the following bones is NOT a cranial bone of the adult human skull?

Accepted Answer

Mandible

Question 2

Which of the following best describes the function of the paranasal sinuses in the skull?

Accepted Answer

They lighten the weight of the skull and help warm and humidify air.

Question 3

A patient presents with a fracture to the bone that forms the lower jaw. Which bone is affected?

Accepted Answer

Mandible

Question 4

Which of the following is a difference between the adult and fetal skull?

Accepted Answer

The fetal skull has unfused sutures and fontanels, allowing for growth and flexibility during birth.

Question 5

Which mnemonic helps remember the cranial bones of the skull?

Accepted Answer

PEST OF 6

Question 6

A patient with a hunchback appearance is most likely suffering from which spinal curvature abnormality?

Accepted Answer

Kyphosis

Question 7

Which bone is unique in that it does not articulate directly with any other bone and is found in the axial skeleton?

Accepted Answer

Hyoid bone

Question 8

Which of the following is the correct sequence of events in bone repair after a fracture?

Accepted Answer

Hematoma formation, soft callus formation, bone callus formation

Question 9

Which of the following bones forms part of the orbit, nasal cavity, and contains air-filled sinuses?

Accepted Answer

Ethmoid bone

Question 10

A patient is diagnosed with a compound fracture. Which of the following best describes this injury?

Accepted Answer

The bone is broken and the skin and tissues around the fracture are damaged.

Question 11

Which of the following bones is NOT part of the thoracic cage?

Accepted Answer

Clavicle

Question 12

Which of the following best describes the function of intervertebral discs?

Accepted Answer

They act as shock absorbers and allow flexibility in the vertebral column.

Question 13

Which of the following formulas best represents the total number of bones in the adult vertebral column?

Accepted Answer

$$7 + 12 + 5 + 5 + 4 = 33$$

Question 14

Which bone is paired in the adult human skull?

Accepted Answer

Parietal bone

Question 15

Which of the following is a function of osteoclasts during bone remodeling?

Accepted Answer

Break down bone matrix by secreting hydrogen ions and enzymes

Question 16

A patient with exaggerated lumbar curvature is most likely suffering from which condition?

Accepted Answer

Lordosis

Question 17

Which of the following bones forms the posterior base of the skull and contains the foramen magnum?

Accepted Answer

Occipital bone

Question 18

Which of the following best describes the role of fontanels in the fetal skull?

Accepted Answer

They provide flexibility for the skull during childbirth and allow for brain growth.

Question 19

Which of the following bones is part of the facial skeleton and helps form the nasal septum?

Accepted Answer

Vomer

Question 20

A patient with a lateral curvature of the vertebral column is most likely diagnosed with which condition?

Accepted Answer

Scoliosis

The Axial Skeleton: Skull Structure and Bone Classification

Study Guide - Practice Questions