Question 1

Which of the following structures is found in compact bone but NOT in spongy bone?

Accepted Answer

Osteon (Haversian system)

Question 2

A patient presents with a fracture in the bone that forms the posterior base of the skull and contains the foramen magnum. Which bone is affected?

Accepted Answer

Occipital bone

Question 3

Which of the following best describes the function of the perforating (Volkmann) canals in compact bone?

Accepted Answer

They connect adjacent osteons and allow passage of blood vessels.

Question 4

A herniated disc occurs when the nucleus pulposus protrudes through which structure?

Accepted Answer

Annulus fibrosis

Question 5

Which suture separates the parietal bones from the occipital bone?

Accepted Answer

Lambdoid suture

Question 6

A patient has a fracture in the bone that forms the anterior portion of the hard palate and contains the upper teeth sockets. Which bone is this?

Accepted Answer

Maxilla

Question 7

Which vertebral region is characterized by a small vertebral body and the presence of transverse foramina?

Accepted Answer

Cervical

Question 8

The superior articular facets of thoracic vertebrae are oriented to articulate with which structures?

Accepted Answer

Ribs

Question 9

Which of the following bones contributes to the formation of the nasal septum?

Accepted Answer

Vomer

Question 10

A patient with a head injury is found to have damage to the sella turcica. Which important structure is most likely at risk?

Accepted Answer

Pituitary gland

Question 11

Which of the following best describes the lamellae in compact bone?

Accepted Answer

Concentric rings of bone matrix surrounding the central canal

Question 12

A patient is diagnosed with kyphosis. Which region of the vertebral column is primarily affected?

Accepted Answer

Thoracic

Question 13

Which bone forms the lateral wall and floor of the orbit and is commonly fractured in facial trauma?

Accepted Answer

Zygomatic bone

Question 14

Which of the following is a distinguishing feature of the lumbar vertebrae?

Accepted Answer

Large vertebral body

Question 15

A patient has a fracture at the manubrium. Which part of the skeleton is affected?

Accepted Answer

Sternum

Question 16

Which of the following best describes the function of canaliculi in bone tissue?

Accepted Answer

They allow for communication and nutrient exchange between osteocytes.

Question 17

A patient presents with a fracture of the bone that forms the lower jaw and contains the alveolar process. Which bone is this?

Accepted Answer

Mandible

Question 18

Which of the following ribs is classified as a floating rib?

Accepted Answer

Rib #11

Question 19

A patient is found to have damage to the cribriform plate. Which function is most likely to be impaired?

Accepted Answer

Sense of smell

Question 20

Which of the following best describes the difference between true ribs and floating ribs?

Accepted Answer

True ribs attach directly to the sternum via their own costal cartilage, while floating ribs do not attach to the sternum.

Skeletal System: Bone Structure, Skull, and Vertebral Column Study Guide

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