Question 1

Which type of cartilage is most abundant in the human body and provides support with flexibility and resilience, forming structures such as the costal cartilages and articular surfaces of joints?

Accepted Answer

Hyaline cartilage

Question 2

A patient presents with a fracture in the shaft of the femur. Which classification of bone does the femur belong to, and what is the primary function of this bone type?

Accepted Answer

Long bone; supports weight and facilitates movement

Question 3

Which of the following best describes the difference between compact and spongy bone?

Accepted Answer

Compact bone is dense and forms the outer layer of bones, while spongy bone is porous and found at the ends of long bones

Question 4

Which bone cell type is responsible for bone resorption, and what is the chemical reaction involved in this process?

Accepted Answer

Osteoclast; $$Ca_3$$($$PO_4)_2$$ \rightarrow $$Ca^{2+}$$ + $$PO_4$$^{3-}$$

Question 5

During endochondral ossification, which step involves the formation of a bone collar around the diaphysis of the hyaline cartilage model?

Accepted Answer

Formation of the bone collar

Question 6

Which of the following is a function of bones that directly relates to homeostasis of blood calcium levels?

Accepted Answer

Mineral storage and release

Question 7

A child presents with bowed legs and delayed growth. Blood tests reveal low vitamin D and calcium levels. What is the most likely diagnosis, and what is the underlying pathophysiology?

Accepted Answer

Rickets; inadequate mineralization of bone due to vitamin D deficiency

Question 8

Which bone marking is described as a large, blunt, irregularly shaped process found only on the femur?

Accepted Answer

Trochanter

Question 9

What is the main difference between intramembranous and endochondral ossification?

Accepted Answer

Intramembranous ossification forms bones directly from fibrous membranes, while endochondral ossification forms bones from a hyaline cartilage model

Question 10

Which of the following best describes appositional bone growth?

Accepted Answer

Bone grows in diameter by adding new bone tissue to the surface

Question 11

A 70-year-old woman presents with a hip fracture after a minor fall. Her bone density is significantly reduced. What is the most likely diagnosis, and which population is most at risk?

Accepted Answer

Osteoporosis; postmenopausal women

Question 12

Which of the following substances is the primary inorganic component of bone, contributing to its hardness and ability to resist compression?

Accepted Answer

Hydroxyapatite ($$Ca_{10}(PO_4$)_6(OH)_2)$$

Question 13

Which structure in compact bone contains blood vessels and nerves and runs parallel to the long axis of the bone?

Accepted Answer

Central (Haversian) canal

Question 14

Which cell type is embedded in the bone matrix and maintains bone tissue?

Accepted Answer

Osteocyte

Question 15

A patient with Paget's disease has thickened, deformed bones. Which process is most disrupted in this disease?

Accepted Answer

Normal balance between bone formation and resorption

Question 16

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

Accepted Answer

They allow nutrients and waste to be exchanged between osteocytes

Question 17

Which type of cartilage is found in the intervertebral discs and is best suited to resist compression and tensile forces?

Accepted Answer

Fibrocartilage

Question 18

Which bone marking is a shallow, basin-like depression in a bone, often serving as an articular surface?

Accepted Answer

Fossa

Question 19

Which process is responsible for the longitudinal growth of long bones during childhood and adolescence?

Accepted Answer

Interstitial growth at the epiphyseal plate

Question 20

Which of the following is NOT a function of the skeletal system?

Accepted Answer

Production of hormones

Chapter 6: Bone and Skeletal Tissues – Study Notes

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드