Question 1

Which of the following bones is considered the 'keystone' bone of the cranium because it articulates with all other cranial bones?

Accepted Answer

Sphenoid bone

Question 2

A patient presents with numbness in the first three digits and part of the fourth digit of the hand after repetitive wrist movements. Which anatomical structure is most likely compressed?

Accepted Answer

Median nerve in the carpal tunnel

Question 3

Which of the following is TRUE regarding the vertebral column?

Accepted Answer

The cervical and lumbar curves are secondary curves, concave posteriorly.

Question 4

A fall on an outstretched and dorsiflexed hand most commonly results in which type of fracture?

Accepted Answer

Colle's fracture of the distal radius

Question 5

Which ligament runs along the anterior aspect of the vertebral bodies and resists hyperextension of the spine?

Accepted Answer

Anterior longitudinal ligament

Question 6

Which bone does NOT articulate with any other bone in the human body?

Accepted Answer

Hyoid

Question 7

A patient with osteoporosis suffers a compression fracture in the thoracic region, resulting in an exaggerated posterior curvature. What is this condition called?

Accepted Answer

Kyphosis

Question 8

Which of the following features is found on the proximal end of the femur and serves as a major muscle attachment site?

Accepted Answer

Greater trochanter

Question 9

Which of the following statements about the pectoral girdle is CORRECT?

Accepted Answer

The clavicle articulates with the manubrium of the sternum and the acromion of the scapula.

Question 10

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

Accepted Answer

Palatine process of the maxilla

Question 11

A patient is diagnosed with a herniated disc between L4 and L5. Which structure is most likely to be damaged first?

Accepted Answer

Annulus fibrosus

Question 12

Which of the following is a distinguishing feature of cervical vertebrae (C3-C7)?

Accepted Answer

Presence of bifid spinous processes

Question 13

Which of the following bones forms the lateral bulge of the ankle joint?

Accepted Answer

Lateral malleolus of the fibula

Question 14

Which of the following is a function of the parietal bones?

Accepted Answer

Form most of the cranial vault (calvaria)

Question 15

Which of the following is the correct order of the tarsal bones from posterior to anterior in the medial longitudinal arch of the foot?

Accepted Answer

Calcaneus, talus, navicular, medial cuneiform

Question 16

Which of the following statements about the sacrum is TRUE?

Accepted Answer

It is formed from 5 fused vertebrae.

Question 17

Which of the following is a real-life consequence of hyperextension of the anterior longitudinal ligament in acrobats and contortionists?

Accepted Answer

De-stabilization of the vertebral column over time

Question 18

Which of the following bones is NOT part of the orbit?

Accepted Answer

Vomer

Question 19

Which of the following features is unique to the atlas (C1) vertebra?

Accepted Answer

No true vertebral body

Question 20

Which of the following is the correct formula for the total number of vertebrae in the adult human vertebral column?

Accepted Answer

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

The Skeleton: Structure and Function in Human Anatomy

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