Metabolic Bone Disease & Osteoporosis by Dr. Hanan Hosny 2021-2022
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Questions and Answers

What is the main characteristic of osteoporosis?

  • Enhanced bone fragility (correct)
  • Decreased bone strength
  • Heightened bone density
  • Increased bone mass

Which of the following is NOT a risk factor for osteoporosis?

  • Age
  • Estrogen withdrawal
  • High body weight (correct)
  • Genetics

What is the most common type of osteoporosis?

  • Primary osteoporosis (correct)
  • Endocrine-induced osteoporosis
  • Malnutrition-induced osteoporosis
  • Tumor-related osteoporosis

Which of the following conditions is associated with secondary osteoporosis?

<p>Celiac disease (A)</p> Signup and view all the answers

What are common symptoms of osteoporosis?

<p>Bone pain and height loss (A)</p> Signup and view all the answers

How does normal bone differ in appearance from osteoporotic bone?

<p>Normal bone appears honeycomb-like, while osteoporotic bone looks more porous. (C)</p> Signup and view all the answers

What is the characteristic age range for Paget disease?

<p>After 40 years old (B)</p> Signup and view all the answers

Which of the following is NOT a characteristic of Paget disease?

<p>Bone straightening (B)</p> Signup and view all the answers

What is the predominant bone activity in the third stage of Paget disease?

<p>Mixed osteoblastic activity (A)</p> Signup and view all the answers

What do X-rays typically show for Paget disease?

<p>Bone enlargement with lytic and sclerotic areas (B)</p> Signup and view all the answers

Which symptom may occur due to thickening of the skull in Paget disease?

<p>Visual disturbance (D)</p> Signup and view all the answers

What is the primary complication associated with Paget disease?

<p>Elevated risk of malignancy (sarcoma) (A)</p> Signup and view all the answers

What condition is characterized by diffuse symmetric skeletal sclerosis seen as bright areas in X-ray?

<p>Marble Bone Disease (D)</p> Signup and view all the answers

Which condition results in bones lacking a medullary canal, causing anemia and recurrent infections?

<p>Marble Bone Disease (C)</p> Signup and view all the answers

What deformity causes the ends of long bones to appear thickened and misshapen like a flask?

<p>Erlenmeyer flask deformity (B)</p> Signup and view all the answers

Which condition is characterized by disproportionate dwarfism with short and thick long bones?

<p>Achondroplasia (A)</p> Signup and view all the answers

What mutation in gene is associated with Achondroplasia?

<p>Achondroplasia gene mutation (A)</p> Signup and view all the answers

Which of the following is essential for absorbing calcium to keep bones healthy?

<p>Adequate amounts of vitamin D (B)</p> Signup and view all the answers

What is the main cause of osteomalacia in adults according to Dr. Hanan Hosny's findings?

<p>Defective bone mineralization due to adequate calcium levels (A)</p> Signup and view all the answers

Which diagnostic tool might show typical pseudo-fractures (looser's zones) in long bones for osteomalacia?

<p>X-Ray (B)</p> Signup and view all the answers

What is the term used to describe cellular death of bone components due to interrupted blood supply?

<p>Osteonecrosis (B)</p> Signup and view all the answers

Which condition is characterized by softening of the bones and typically affects children?

<p>Osteomalacia (D)</p> Signup and view all the answers

What is the most common site of Paget Disease of Bone according to Dr. Hanan Hosny's findings?

<p>Femoral bone (C)</p> Signup and view all the answers

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