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Musculoskeletal System Quiz

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Questions and Answers

Which function does cartilage and bone serve?

Transport nutrients, provide insulation, and regulate pH levels

Support the immune system, aid in digestion, and store energy

Protect vital structures, provide levers for movement, and store minerals (correct)

Generate heat, regulate body temperature, and produce blood cells

What is the composition of the extracellular matrix of cartilage?

Chondroitin sulphate, collagen, elastic fibers, and other proteins (correct)

Fibrinogen, myosin, actin, and tropomyosin

Hyaluronic acid, keratin, elastin, and glycoproteins

Chitin, cellulose, lignin, and pectin

Where is hyaline cartilage found in the body?

Femur, humerus, tibia, and fibula

Vertebrae, sternum, pelvic girdle, and skull

Radius, ulna, metacarpals, and phalanges

Laryngeal cartilages, tracheal rings, bronchi, and costal cartilages (correct)

What are the minerals stored in bone primarily used for?

Calcium deposited and withdrawn under the influence of hormones Signup and view all the answers

What is the main difference between cartilage and bone?

Cartilage is softer, less rigid, and slightly elastic, while bone is stiffer Signup and view all the answers

What are the primary functions of cartilage and bone in the musculo-skeletal system?

The primary functions of cartilage and bone are to protect vital structures, provide levers for movement, resist the effects of gravity, and store minerals. Signup and view all the answers

What is the composition of the extracellular matrix of cartilage and how is it secreted?

The extracellular matrix of cartilage consists of chondroitin sulphate, collagen, elastic fibers, and other proteins. It is secreted by chondrocytes that become embedded within the matrix. Signup and view all the answers

What are the different types of cartilage and where are they found in the body?

The three different types of cartilage are hyaline, elastic, and fibro-cartilage. Hyaline cartilage forms the laryngeal cartilages, tracheal rings, bronchi, and costal cartilages. Signup and view all the answers

How do bone minerals turn over in the body, and which hormones influence this process?

Bone mineral turns over throughout life, with calcium deposited and withdrawn under the influence of the hormones calcitonin and parathormone. Signup and view all the answers

What are the characteristics of cartilage in comparison to bone?

Cartilage is softer than bone, less rigid, and slightly elastic. It has an extracellular matrix strengthened by varying amounts of collagen, elastic fibers, and other proteins. Signup and view all the answers