Question 1

Which type of cartilage is most abundant in the human body and provides support, flexibility, and resilience?

Accepted Answer

Hyaline cartilage

Question 2

A patient presents with a fracture in the shaft of their femur. Which anatomical term best describes this region of the bone?

Accepted Answer

Diaphysis

Question 3

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

Accepted Answer

Resorb bone by breaking down bone matrix

Question 4

During endochondral ossification, what is the first major event that occurs?

Accepted Answer

Formation of a bone collar around the diaphysis of the cartilage model

Question 5

Which hormone is primarily responsible for stimulating osteoclast activity when blood calcium levels are low?

Accepted Answer

Parathyroid hormone (PTH)

Question 6

A 10-year-old child is diagnosed with rickets. Which of the following is the most likely cause?

Accepted Answer

Vitamin D deficiency or insufficient dietary calcium

Question 7

Which of the following bone cells is mitotically active and can differentiate into osteoblasts?

Accepted Answer

Osteoprogenitor (osteogenic) cell

Question 8

According to Wolff’s law, which of the following would you expect to see in the bones of a professional tennis player’s dominant arm?

Accepted Answer

Thicker and stronger bone in the dominant arm

Question 9

Which of the following best describes the process of appositional growth in cartilage?

Accepted Answer

New matrix is laid down on the surface of cartilage by cells in the perichondrium

Question 10

A patient with osteoporosis is at increased risk for which of the following types of fractures?

Accepted Answer

Compression fractures of the vertebrae

Question 11

Which of the following is a function of osteocalcin produced by bone tissue?

Accepted Answer

Regulates insulin secretion and energy expenditure

Question 12

Which of the following statements about the periosteum is correct?

Accepted Answer

It contains osteogenic cells and serves as an anchoring point for tendons and ligaments

Question 13

A 65-year-old woman presents with hip pain after a minor fall. X-rays reveal a fracture at the neck of the femur. Which bone disorder is most likely responsible?

Accepted Answer

Osteoporosis

Question 14

Which of the following best explains why bone is able to resist both compression and tension?

Accepted Answer

Alternating orientation of collagen fibers in adjacent lamellae and the presence of hydroxyapatite crystals

Question 15

During the healing of a bone fracture, which stage involves the formation of a mass of clotted blood at the fracture site?

Accepted Answer

Hematoma formation

Question 16

Which of the following is a distinguishing feature of fibrocartilage compared to hyaline cartilage?

Accepted Answer

Contains thick collagen fibers for tensile strength

Question 17

A 22-year-old male has stopped growing in height. Which of the following best explains this phenomenon?

Accepted Answer

Epiphyseal plate has been replaced by bone due to closure

Question 18

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

Accepted Answer

They connect lacunae and allow communication between osteocytes

Question 19

Which of the following is a real-life consequence of vitamin D deficiency in adults?

Accepted Answer

Development of osteomalacia, resulting in soft, weak bones

Question 20

A patient is found to have excessive and haphazard bone deposit and resorption, resulting in a high ratio of spongy to compact bone. Which disease is most likely?

Accepted Answer

Paget’s disease

Bones and Skeletal Tissues: Structure, Function, and Development

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