Question 1

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

Accepted Answer

Femur

Question 2

Which bone is part of the appendicular skeleton and articulates with the scapula at the glenohumeral joint?

Accepted Answer

Humerus

Question 3

What is the primary function of the paranasal sinuses?

Accepted Answer

To lighten the weight of the skull and humidify air

Question 4

Which suture connects the parietal bones to the occipital bone?

Accepted Answer

Lambdoid suture

Question 5

Fontanelles are important in newborns because:

Accepted Answer

They allow for rapid brain growth and passage through the birth canal

Question 6

Which region of the vertebral column contains vertebrae with transverse foramina?

Accepted Answer

Cervical region

Question 7

How many pairs of ribs are found in the human body, and how many are considered 'true ribs'?

Accepted Answer

12 pairs; 7 true ribs

Question 8

Which of the following best describes the difference between primary and secondary spinal curvatures?

Accepted Answer

Primary curvatures are present at birth (thoracic and sacral); secondary curvatures develop after birth (cervical and lumbar)

Question 9

A patient presents with an exaggerated thoracic curvature. What is the most likely diagnosis?

Accepted Answer

Kyphosis

Question 10

Which of the following formulas correctly represents the number of vertebrae in each region of the vertebral column?

Accepted Answer

$C_7,\ T_{12},\ L_5,\ S_5,\ Co_4$

Question 11

Which bone is classified as a sesamoid bone and is found embedded within a tendon?

Accepted Answer

Patella

Question 12

Which of the following is a function of the intervertebral discs?

Accepted Answer

They act as shock absorbers between vertebrae

Question 13

A patient has a fracture of the lateral malleolus. Which bone is affected?

Accepted Answer

Fibula

Question 14

Which of the following bones forms the anterior portion of the hard palate?

Accepted Answer

Maxilla

Question 15

Which tarsal bone articulates with the tibia to form the ankle joint?

Accepted Answer

Talus

Question 16

Which anatomical landmark is used to distinguish the axis ($C_2$) from other cervical vertebrae?

Accepted Answer

Presence of the dens (odontoid process)

Question 17

A patient is diagnosed with scoliosis. Which of the following best describes this condition?

Accepted Answer

Lateral curvature of the spine

Question 18

Which of the following correctly matches the number of metacarpal bones in one hand?

Accepted Answer

5

Question 19

Which bone is NOT part of the pelvic girdle?

Accepted Answer

Sacrum

Question 20

Which of the following best describes the anatomical difference between male and female pelvises?

Accepted Answer

The female pelvis has a wider subpubic angle and a larger pelvic inlet

Skeletal System: Structure, Function, and Classification Study Guide

Study Guide - Practice Questions