Question 1

Which type of cartilage is found at the articular surfaces of long bones, and what is its primary function?

Accepted Answer

Hyaline cartilage; reduces friction and absorbs shock in movable joints

Question 2

In the microscopic anatomy of compact bone, what is the function of the central (Haversian) canal?

Accepted Answer

Provides a passageway for blood vessels and nerves

Question 3

Which bone marking is described as a rounded projection that serves as an attachment point for muscles or ligaments?

Accepted Answer

Tuberosity

Question 4

A patient suffers a fracture in the diaphysis of the femur. Which anatomical region of the bone is affected?

Accepted Answer

The shaft of the bone

Question 5

Which equation correctly represents the relationship between bone density ($$D$$), mass ($$m$$), and volume ($$V$$)?

Accepted Answer

$$D = \frac{m}{V}$$

Question 6

Which of the following is a characteristic feature of lumbar vertebrae compared to cervical and thoracic vertebrae?

Accepted Answer

Large, kidney-shaped body for weight bearing

Question 7

Which structure in the long bone is responsible for housing yellow bone marrow in adults?

Accepted Answer

Medullary cavity

Question 8

A patient presents with difficulty rotating their head. Which joint and vertebrae are most likely involved?

Accepted Answer

Atlantoaxial joint; atlas and axis

Question 9

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

Accepted Answer

They lighten the skull and act as resonant chambers for sound production

Question 10

Which type of bone is primarily found in the carpals and tarsals, and what is its defining shape?

Accepted Answer

Short bone; nearly equal length and width

Question 11

A patient has a herniated intervertebral disc. Which tissue type is most affected?

Accepted Answer

Fibrocartilage

Question 12

Which ribs are classified as 'floating ribs' and what is their defining feature?

Accepted Answer

Ribs 11-12; do not articulate with the sternum

Question 13

Which bone marking is a shallow depression that often serves as an articular surface?

Accepted Answer

Fossa

Question 14

Which equation best describes the calculation of total number of bones in the adult human skeleton, given the axial skeleton has $$A$$ bones and the appendicular skeleton has $$B$$ bones?

Accepted Answer

$$Total = A + B$$

Question 15

Which of the following best explains why spongy bone is found at the ends of long bones?

Accepted Answer

It allows for the storage of red bone marrow and absorbs shock

Question 16

Which anatomical feature of a vertebra forms the vertebral canal when vertebrae are stacked?

Accepted Answer

Vertebral foramen

Question 17

A patient with osteoporosis is at increased risk for fractures in which type of bone tissue due to its lattice-like structure?

Accepted Answer

Spongy bone (trabecular bone)

Question 18

Which of the following is NOT a function of the thoracic cage?

Accepted Answer

Produces red blood cells

Question 19

Which bone is part of the axial skeleton?

Accepted Answer

Sternum

Question 20

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

Accepted Answer

They connect osteocytes for nutrient and waste exchange

Skeletal System: Axial & Appendicular Skeleton – Structure, Histology, and Classification

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