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Osteology Lecture Questions with Complete Solutions
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Osteology Lecture Questions with Complete Solutions How does the bone marrow contribute to the body's immune system? Bone marrow produces not only red blood cells but also white blood cells, which are essential for the body’s immune response. Why is it important for individuals with os...

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  • November 14, 2024
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  • 2024/2025
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Osteology Lecture Questions with
Complete Solutions
How does the bone marrow contribute to the body's immune system?


✔✔Bone marrow produces not only red blood cells but also white blood cells, which are

essential for the body’s immune response.




Why is it important for individuals with osteoporosis to avoid excessive alcohol consumption?


✔✔Excessive alcohol consumption can increase bone resorption and decrease bone formation,

exacerbating bone loss in individuals with osteoporosis.




What role does the thyroid gland play in bone metabolism?


✔✔The thyroid gland releases hormones such as calcitonin that regulate calcium levels in the

blood and bones, affecting bone metabolism.




How does the presence of cartilage at the ends of long bones aid in joint function?


✔✔Cartilage provides a smooth surface for joints, reducing friction and facilitating movement

between bones.




1

,What is Paget's disease, and how does it affect bones?


✔✔Paget's disease is a chronic bone disorder where excessive bone resorption and disorganized

new bone formation occur, leading to weakened bones.




What is the term for the process of new bone formation during bone healing after a fracture?


✔✔Ossification is the process of new bone formation during fracture healing, involving the

transformation of cartilage into bone.




How does the body's calcium regulation affect bone health?


✔✔The body regulates calcium levels through the release of parathyroid hormone and

calcitonin, which influences bone resorption and deposition to maintain proper calcium balance.




What is the function of the trabeculae in spongy bone?


✔✔Trabeculae are the small, rod-like structures in spongy bone that provide strength and

structural support while reducing bone weight.




Which bone is most commonly affected by fractures in osteoporosis?


✔✔The femur, particularly the hip and proximal femur, is most commonly affected by fractures

in osteoporosis.

2

, Explain the difference between compact bone and spongy bone.


✔✔Compact bone is dense and forms the outer layer of bones, while spongy bone is lighter and

consists of trabeculae, often found in the interior of bones.




What is the role of calcium in bone health?


✔✔Calcium is essential for maintaining bone density and strength, as it is a major component of

the bone matrix.




Which hormone plays a significant role in regulating bone metabolism by inhibiting osteoclast

activity?


✔✔Estrogen inhibits osteoclast activity and helps maintain bone density, which is why bone loss

often occurs after menopause.




What is the condition called when the bones become brittle and fragile due to loss of bone mass?


✔✔Osteoporosis is the condition where bones become brittle and fragile due to the loss of bone

mass.




What is the function of osteoclasts in bone remodeling?


3

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