Question 1

Which type of cartilage is primarily found at the ends of long bones and functions to support and protect these structures?

Accepted Answer

Hyaline cartilage

Question 2

A patient presents with a fracture in the shaft of their femur. Which bone classification best describes the femur?

Accepted Answer

Long bone

Question 3

Which of the following is NOT a function of bone tissue?

Accepted Answer

Hormone secretion

Question 4

What is the correct sequence of events in endochondral ossification?

Accepted Answer

Mesenchymal cells become chondrocytes, cartilage model grows, blood vessels invade, osteoblasts replace cartilage, secondary ossification center forms

Question 5

Which hormone increases blood calcium levels by stimulating osteoclasts and promoting calcium reabsorption in the kidneys?

Accepted Answer

Parathyroid hormone (PTH)

Question 6

A child with vitamin D deficiency is most likely to develop which condition, characterized by soft and weak bones?

Accepted Answer

Rickets

Question 7

Which structure is responsible for the lengthwise growth of long bones during childhood and adolescence?

Accepted Answer

Epiphyseal plate

Question 8

During bone remodeling, which cell type is responsible for breaking down bone matrix?

Accepted Answer

Osteoclasts

Question 9

Which canal in compact bone runs perpendicular to the Haversian canal and allows for the passage of blood vessels and nerves?

Accepted Answer

Volkmann's canal

Question 10

A mutation affecting cartilage formation at the growth plate results in short stature and disproportionately short limbs. What is this condition called?

Accepted Answer

Achondroplastic dwarfism

Question 11

Which of the following best describes the process of hematopoiesis?

Accepted Answer

Formation of blood cells in red bone marrow

Question 12

Which bone structure contains blood vessels, nerves, and is the outer covering of bone?

Accepted Answer

Periosteum

Question 13

Which type of bone is primarily formed by intramembranous ossification?

Accepted Answer

Flat bones

Question 14

During bone repair, which step involves the formation of a soft callus that bridges the broken bone ends?

Accepted Answer

Formation of fibrocartilaginous (soft) callus

Question 15

Which equation correctly represents the relationship between calcium homeostasis and bone resorption?

Accepted Answer

$$Ca^{2+}$$_{blood} = $$Ca^{2+}$$_{released\ from\ bone} + $$Ca^{2+}$$_{absorbed\ from\ intestines}$$

Question 16

A patient with osteoporosis is most likely to have which of the following characteristics?

Accepted Answer

Weak and brittle bones due to loss of bone mass

Question 17

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

Accepted Answer

They connect osteocytes for nutrient exchange

Question 18

Which process increases the diameter of a long bone during growth?

Accepted Answer

Appositional growth at the periosteum

Question 19

Which cell type maintains the bone matrix and is considered mature bone cell?

Accepted Answer

Osteocyte

Question 20

Which of the following is a correct description of the medullary cavity?

Accepted Answer

It is a hollow space inside the diaphysis containing marrow

chapter 6 review bones

Guida di studio - Domande di pratica

Study guide - Flashcard